Question about 1994 GMC Sonoma

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Have 'left over' brackets after doing cylinder head repairs. i'm thinking one for alternator an one for air

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Could be, but we cant see them, they need to go back on.

Posted on May 14, 2010

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2002 isuzu rodeo cylinder head torque lbs. for 2.2


Print


Removal & Installation

2.2L Engine

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Relieve the fuel system pressure.
  4. Remove or disconnect the following: Negative battery cableIntake Air Temperature (IAT) sensor connectorPositive Crankcase Ventilation (PCV) valve and hoseAir intake assemblyUpper radiator hoseAccessory drive beltExhaust front pipeAlternator and bracketsCrankshaft Position (CKP) sensor connectorKnock sensor connectorHeater hosesWater bypass hoseFuel linesEvaporative Emissions (EVAP) valve connectorCanister hoseIntake manifoldEngine wiring harness connectors at left rear of the engine compartmentPower steering pump pressure switch connectorFront coverSpark plugs and wiresCamshaft Position (CMP) sensorValve coverTiming belt. Refer to the Timing Belt unit repair section.Timing belt idler pulleysTiming belt rear coverOil pressure switch connectorCamshaftsCylinder head. Remove the bolts in reverse of the tightening sequence.

    Negative battery cable Intake Air Temperature (IAT) sensor connector Positive Crankcase Ventilation (PCV) valve and hose Air intake assembly Upper radiator hose Accessory drive belt Exhaust front pipe Alternator and brackets Crankshaft Position (CKP) sensor connector Knock sensor connector Heater hoses Water bypass hose Fuel lines Evaporative Emissions (EVAP) valve connector Canister hose Intake manifold Engine wiring harness connectors at left rear of the engine compartment Power steering pump pressure switch connector Front cover Spark plugs and wires Camshaft Position (CMP) sensor Valve cover Timing belt. Refer to the Timing Belt unit repair section. Timing belt idler pulleys Timing belt rear cover Oil pressure switch connector Camshafts Cylinder head. Remove the bolts in reverse of the tightening sequence.

To install:


0996b43f802097a8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Cylinder head torque sequence-2.2L (VIN D) engine

NOTE Use new cylinder head bolts for assembly.

  1. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows: Step 1: 18 ft. lbs. (25 Nm)Step 2: Plus 90 degreesStep 3: Plus 90 degreesStep 4: Plus 90 degrees
    1. Step 1: 18 ft. lbs. (25 Nm)
    2. Step 2: Plus 90 degrees
    3. Step 3: Plus 90 degrees
    4. Step 4: Plus 90 degrees

  2. Install or connect the following: CamshaftsOil pressure switch connectorTiming belt rear coverTiming belt idler pulleys. Tighten the bolts to 18 ft. lbs. (25 Nm).Timing beltValve coverCMP sensorSpark plugs and wiresFront coverPower steering pump pressure switch connectorEngine wiring harness connectors at left rear of the engine compartmentIntake manifoldCanister hoseEVAP valve connectorFuel linesWater bypass hoseHeater hosesKnock sensor connectorCKP sensor connectorAlternator and bracketsExhaust front pipeAccessory drive beltUpper radiator hoseAir intake assemblyPCV valve and hoseIAT sensor connectorNegative battery cable

    Camshafts Oil pressure switch connector Timing belt rear cover Timing belt idler pulleys. Tighten the bolts to 18 ft. lbs. (25 Nm). Timing belt Valve cover CMP sensor Spark plugs and wires Front cover Power steering pump pressure switch connector Engine wiring harness connectors at left rear of the engine compartment Intake manifold Canister hose EVAP valve connector Fuel lines Water bypass hose Heater hoses Knock sensor connector CKP sensor connector Alternator and brackets Exhaust front pipe Accessory drive belt Upper radiator hose Air intake assembly PCV valve and hose IAT sensor connector Negative battery cable
  3. Fill the cooling system.
  4. Start the engine and check for leaks.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Relieve the fuel system pressure.
  4. Remove or disconnect the following:

    Negative battery cable Intake Air Temperature (IAT) sensor connector Positive Crankcase Ventilation (PCV) valve and hose Air intake assembly Upper radiator hose Accessory drive belt Exhaust front pipe Alternator and brackets Crankshaft Position (CKP) sensor connector Knock sensor connector Heater hoses Water bypass hose Fuel lines Evaporative Emissions (EVAP) valve connector Canister hose Intake manifold Engine wiring harness connectors at left rear of the engine compartment Power steering pump pressure switch connector Front cover Spark plugs and wires Camshaft Position (CMP) sensor Valve cover Timing belt. Refer to the Timing Belt procedure. Timing belt idler pulleys Timing belt rear cover Oil pressure switch connector Camshafts Cylinder head. Remove the bolts in reverse of the tightening sequence.

To install:

0996b43f802097a8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Cylinder head torque sequence-2.2L (VIN D) engine


NOTE Use new cylinder head bolts for assembly.

  1. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
    1. Step 1: 18 ft. lbs. (25 Nm)
    2. Step 2: Plus 90 degrees
    3. Step 3: Plus 90 degrees
    4. Step 4: Plus 90 degrees

  2. Install or connect the following:

    Camshafts Oil pressure switch connector Timing belt rear cover Timing belt idler pulleys. Tighten the bolts to 18 ft. lbs. (25 Nm). Timing belt Valve cover CMP sensor Spark plugs and wires Front cover Power steering pump pressure switch connector Engine wiring harness connectors at left rear of the engine compartment Intake manifold Canister hose EVAP valve connector Fuel lines Water bypass hose Heater hoses Knock sensor connector CKP sensor connector Alternator and brackets Exhaust front pipe Accessory drive belt Upper radiator hose Air intake assembly PCV valve and hose IAT sensor connector Negative battery cable
  3. Fill the cooling system.
  4. Start the engine and check for leaks.

May 26, 2012 | Isuzu Rodeo Cars & Trucks

1 Answer

I need to know the head bolt torque on 99 gmc 2500 with 6.0 engine


The cylinder head gasket displacement can be verified by markings visible on the top side of the left gasket locating tab. Some 4.8/5.3L head gaskets may have 53 stamped onto the locating tab. Some 6.0L head gaskets may have 60 stamped onto the locating tab.
  1. Install the alternator mounting bracket using the four bolts. Tighten the mounting bracket to the cylinder head bolts to 50 Nm (37 ft. lbs.).
  2. Tighten the bolt at the rear of the power steering pump. Tighten the bolt to 50 Nm (37 ft. lbs.).

Hope helps.

Jan 30, 2011 | Chevrolet C2500 Cars & Trucks

1 Answer

How do i replace the head gasket in a 2000 dodge durango.


3.9L, 5.2L, and 5.9L Engines To Remove:
3.9L Engine dod_trk_39l_cylinder_head.gif
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Battery negative cable
    • Coolant
    • Intake manifold-to-alternator bracket support rod
    • Alternator
    • Closed crankcase ventilation system
    • Evaporation control system
    • Air cleaner, air in-let hose and resonator
  3. Release fuel system pressure.
  4. Remove or disconnect the following:
    • Fuel supply line from the fuel rail
    • Accelerator linkage and, the speed control and transmission kickdown cables (if equipped)
    • Distributor cap and wires
    • Coil wires
    • Coolant temperature sending unit wire
    • Heater hoses and bypass hose
    • Vacuum supply hoses from the intake manifold (3.9L Engine)
    • Fuel injector harness and secure out of the way (3.9L Engine)
    • Cylinder head covers and gaskets
    • Intake manifold and throttle body as an assembly
    • Exhaust manifolds
    • Rocker arm assemblies and push rods, and identify to ensure installation in original locations.
    • Head bolts from each cylinder head and remove cylinder heads
    • Spark plugs
To Install:
  1. Install or connect the following:
    • New cylinder head gaskets into position on the cylinder block
    • Cylinder heads onto head gaskets and cylinder block
  2. Tighten all cylinder head bolts, starting at top center and in sequence
    1. Torque to: 50 ft. lbs. (68 Nm)
    2. Repeat and Torque to: 105 ft. lbs. (143 Nm)
    CAUTION
    When tightening the rocker arm bolts, ensure that the piston in that cylinder is NOT at TDC.
  3. Install or connect the following:
    • Push rods and rocker arm assemblies in their original positions.
      1. Torque to: 21 ft. lbs. (28 Nm)
    • Intake manifold and throttle body assembly
    • Exhaust manifolds
    • Spark plugs
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Coil wires
    • Coolant temperature sending unit wire
    • Fuel injector harness (3.9L Engine)
    • Vacuum supply hoses to the intake manifold (3.9L Engine)
    • Heater hoses and bypass hose
    • Distributor cap and wires
    • Accelerator linkage and the speed control and transmission kickdown cables
    • Fuel supply line.
    • Alternator and accessory drive belt.
      1. Alternator bolt - Torque to: 30 ft. lbs. (41 Nm)
    • Intake manifold-to-alternator bracket support rod and bolts
    • Cylinder head covers
    • Closed crankcase ventilation system
    • Evaporation control system
    • Resonator assembly (3.9L Engine), air in-let hose and air cleaner
    • Heat shields
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Coolant
    • Negative battery cable.
prev.gif next.gif

Oct 14, 2010 | 2000 Dodge Durango

1 Answer

NEED HELP WITH TORQUE SPECS ON 1998 CHEVROLET SURBURBAN CYLINDER HEADS 5.7


Cylinder Head Removal & Installation 5.7L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Drain the engine coolant.
  3. Remove the air cleaner assembly.
  4. Remove the upper radiator hose.
  5. Remove both heater hoses.
  6. Disconnect spark plug wires at distributor cap.
  7. Remove distributor cap.
  8. Remove the coolant bypass hose from the water pump.
  9. Remove the drive belt. NOTE: It is not necessary to evacuate the A/C refrigerant.
  10. Remove the A/C compressor from the mounting bracket and set it aside.
  11. Remove the wiring bracket from the rear of the cylinder head.
  12. Disconnect the accessory bracket and slide forward.
  13. Remove the upper and lower intake manifold.
  14. Remove the exhaust manifolds.
  15. Remove the valve rocker arms and pushrods.
  16. Remove the power steering pump pulley.
  17. Disconnect the electrical connector from the power steering pump.
  18. Remove nuts attaching the power steering pump to the engine.
  19. Remove power steering pump mounting bracket bolts and nut.
  20. Slide power steering pump/bracket assembly forward and remove stud.
  21. Set power steering pump/bracket assembly aside.
  22. Disconnect the wiring bracket from rear of the right cylinder head.
  23. Remove the generator.
  24. Remove the oil indicator tube bracket bolt.
  25. Remove the generator mounting bracket.
  26. Remove the sixteen cylinder head bolts.
  27. Remove cylinder heads and gaskets.
  28. Clean all sealing surfaces.
To Install:
Right Side NOTE: Clean all dirt, debris, and coolant from the engine block cylinder head bolt holes. Failure to remove all foreign material may result in damaged threads, improperly tightened fasteners or damage to components.
NOTE: Do not use any type of sealant on the cylinder head gasket (unless specified).
  1. Clean the cylinder head bolt holes with a thread chaser and compressed air.
  2. Check the cylinder head locating pins for proper installation.
  3. Place a new cylinder head gasket over the engine block dowel pins.
  4. Install the cylinder head to the engine block.
  5. Apply sealant (GM P/N 12346004 or equivalent) to cylinder head bolt threads.
  6. Install the cylinder head bolts. gm-03-50-685.gif

  7. Tighten the cylinder head bolts in sequence on the first pass.
    • Torque to: 22 ft. lbs. (30 Nm)
  8. Using a torque angle meter, tighten the long bolts (1, 2, 5, 6, 9, 10 and 13) on the second pass in sequence to 75°.
  9. Using a torque angle meter, tighten the medium bolts (14 and 17) on the second pass in sequence to 65°.
  10. Using a torque angle meter, tighten the short bolts (3, 4, 7, 8, 11, 12, 15 and 16) on the second pass in sequence to 55°.
  11. Install the valve rocker arms and pushrods.
  12. Install the generator mounting bracket stud.
    • Torque to: 15 ft. lbs. (20 Nm)
  13. Loosely assemble the generator mounting bracket over the stud.
  14. Install all nuts and bolts finger tight.
    • Torque to: 30 ft. lbs. (41 Nm)
  15. Install the generator.
  16. Install the oil indicator tube bracket bolt.
  17. Install the exhaust manifold.
  18. Install the lower intake manifold.
  19. Install the valve rocker arm covers.
  20. Install the wiring bracket to the rear of the cylinder head.
  21. Connect the accessory bracket.
  22. Install the A/C compressor.
  23. Install the drive belt.
  24. Install the distributor cap.
  25. Connect the spark plug wires to the distributor cap.
  26. Install both heater hoses.
  27. Install the upper radiator hose.
  28. Install the air cleaner assembly.
  29. Refill the engine coolant.
  30. Connect the negative battery cable.
Left Side To Install:
NOTE: Clean all dirt, debris, and coolant from the engine block cylinder head bolt holes. Failure to remove all foreign material may result in damaged threads, improperly tightened fasteners or damage to components.
NOTE: Do not use any type of sealant on the cylinder head gasket (unless specified).
NOTE: Clean all dirt, debris, and coolant from the engine block cylinder head bolt holes. Failure to remove all foreign material may result in damaged threads, improperly tightened fasteners or damage to components.
NOTE: Do not use any type of sealant on the cylinder head gasket (unless specified).
  1. Clean the cylinder head bolt holes with a thread chaser and compressed air.
  2. Check the cylinder head locating pins for proper installation.
  3. Place a new cylinder head gasket over the engine block dowel pins.
  4. Install the cylinder head to the engine block.
  5. Apply sealant (GM P/N 12346004 or equivalent) to cylinder head bolt threads.
  6. Install the cylinder head bolts. gm-03-50-685.gif

  7. Tighten the cylinder head bolts in sequence on the first pass.
    • Torque to: 22 ft. lbs. (30 Nm)
  8. Using a torque angle meter, tighten the long bolts (1, 2, 5, 6, 9, 10 and 13) on the second pass in sequence to 75°.
  9. Using a torque angle meter, tighten the medium bolts (14 and 17) on the second pass in sequence to 65°.
  10. Using a torque angle meter, tighten the short bolts (3, 4, 7, 8, 11, 12, 15 and 16) on the second pass in sequence to 55°.
  11. Install the valve rocker arms and pushrods.
  12. Install the power steering pump mounting bracket stud.
    • Torque to: 15 ft. lbs. (20 Nm)
  13. Loosely assemble the mounting bracket over the stud.
  14. Install all nuts and bolts finger tight.
    • Torque to: 30 ft. lbs. (41 Nm)
  15. Install the power steering pump pulley.
  16. Connect the electrical connector to the power steering pump.
  17. Install the exhaust manifold.
  18. Install the lower intake manifold.
  19. Install the valve rocker arm covers.
  20. Install the wiring bracket to the rear of the cylinder head.
  21. Connect the accessory bracket.
  22. Install the A/C compressor.
  23. Install the drive belt.
  24. Install the distributor cap.
  25. Connect the spark plug wires to the distributor cap.
  26. Install both heater hoses.
  27. Install the upper radiator hose.
  28. Install the air cleaner assembly.
  29. Refill the engine coolant.
  30. Connect the negative battery cable.

Aug 31, 2010 | Chevrolet Suburban 1500 Cars & Trucks

2 Answers

What r the torque specifications on installing a head on a 1999 yukon and the tightening sequence


Check this procedure...
  1. Tighten the first design cylinder head bolts as follows:
    1. M11 bolts 1st pass: in sequence to 22 ft. lbs. (30 Nm).
    2. M11 bolts 2nd pass: in sequence + 90 degrees.
    3. M11 bolts (1,2,3,4,5,6,7,8): + 90 degrees.
    4. M11 bolts (9 and 10): + 50 degrees.
    5. M8 cylinder head bolts (11,12,13,14,15) to 22 ft. lbs. (30 Nm). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
  2. Tighten the second design cylinder head bolts as follows:
    1. M11 bolts (1-10) 1st pass: in sequence to 22 ft. lbs. (30 Nm).
    2. M11 bolts (1-10) 2nd pass: in sequence + 90 degrees.
    3. M11 bolts (1-10): + 70 degrees.
    4. M8 cylinder head bolts (11,12,13,14,15) to 22 ft. lbs. (30 Nm). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.

c409909.jpg

Fig. Cylinder head bolt tightening sequence-4.8L, 5.3L and 6.0L engines (click for zoom)


Install the cylinder head bolts in sequence to 22 ft. lbs. (30 Nm). The bolts must be tightened once, then be tightened again in sequence in the following order:
  1. Step 1: Short length bolt: (3, 4, 7, 8, 11, 12, 15, 16), plus 55 degrees.
  2. Step 2: Medium length bolt: (14, 17), plus 65 degrees.
  3. Step 3: Long length bolts: (1, 2, 5, 6, 9, 10, 13), plus 75 degrees.

7f05cb7.jpg

Fig. Cylinder head bolt tightening sequence-5.0L and 5.7L engines

Aug 04, 2010 | 1999 GMC Yukon Denali

1 Answer

Whats the tourqe on head bolts 1990 4 cylinder


1990–95 VEHICLES
  1. Disconnect the battery ground.
  2. Drain the cooling system. CAUTION
    When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
  3. Disconnect the hoses at the thermostat housing.
  4. Remove the air cleaner.
  5. Remove the rocker arm cover as outlined earlier in this section.
  6. Remove the rocker arms. Keep them in order!
  7. Remove the pushrods. Keep them in order!
  8. Remove the power steering pump bracket.
  9. Suspend the pump out of the way.
  10. Remove the intake and exhaust manifolds.
  11. Remove the air conditioning compressor drive belt.
  12. Loosen the alternator drive belt.
  13. Remove the compressor/alternator bracket mounting bolt.
  14. Unbolt the compressor and suspend it out of the way. DO NOT DISCONNECT THE REFRIGERANT LINES!
  15. Remove the spark plugs.
  16. Disconnect the temperature sending unit wire. Fig. 6: Disconnect the coolant hoses at the thermostat housing 85353100.jpg
    Fig. 7: Disconnect the coolant hoses at the thermostat housing 85353101.jpg
    Fig. 8: Remove the cylinder head–to–block bolts 85353102.jpg
    Fig. 9: Cylinder head bolt removed from the head 85353103.jpg
    Fig. 10: Removing the cylinder head from the engine block 85353104.jpg

  17. Remove the head bolts.
  18. Lift the head off the engine and place it on a clean workbench.
  19. Remove the head gasket. To install:
  20. Thoroughly clean the gasket mating surfaces. Remove all traces of old gasket material. Remove all carbon deposits from the combustion chambers. Lay a straightedge across the head and check for flatness. Total deviation should not exceed 0.001 in. (0.025mm). NOTE: The cylinder head gasket used on the 2.5L engine is a composition gasket. The gasket is to be installed dry. Do not use gasket sealing compound on the gasket.
  21. Fabricate 2 cylinder head alignment dowels from 2 used cylinder head bolts. Cut the head of the longest bolt off below the hex head. Then cut a slot in the top of the dowel to allow easier removal with a screwdriver.
  22. Install one dowel in bolt hole No. 10 and the other dowel in bolt hole No. 8.
  23. Place the cylinder head gasket over the dowels with the numbers facing up.
  24. Place the cylinder head over the dowels.
  25. Coat the threads of bolt No. 7 only, with Loctite PST sealant or equivalent.
  26. Install all head bolts except Nos. 8 and 10.
  27. Tighten the bolts in the sequence shown in the illustration to the following:
    1. Tighten bolts 1 through 10 in sequence to 22 ft. lbs. (30 Nm).
    2. Tighten bolts 1 through 10 in sequence to 45 ft. lbs. (61 Nm).
    3. Recheck bolts 1 through 10 in sequence to verify that they are 45 ft. lbs. (61 Nm).
    4. Tighten bolts 1 through 6 in sequence to 110 ft. lbs. (149 Nm).
    5. Tighten bolt 7 to 100 ft. lbs. (136 Nm).
    6. Tighten bolts 8 through 10 to 110 ft. lbs. (149 Nm). NOTE: During the final tightening sequence, bolt No. 7 will be tightened to a lower torque than the rest of the bolts. Do not overtighten bolt No. 7.
  28. Connect the temperature sending unit wire.
  29. Install the spark plugs.
  30. Install the compressor.
  31. Install the compressor/alternator bracket mounting bolt.
  32. Adjust the alternator drive belt.
  33. Install the air conditioning compressor drive belt.
  34. Install the intake and exhaust manifolds.
  35. Install the power steering pump bracket.
  36. Install the pushrods. Keep them in order!
  37. Install the rocker arms. Keep them in order!
  38. Thoroughly clean the mating surfaces of the head and rocker cover and install as outlined earlier in this section.
  39. Install the air cleaner.
  40. Connect the hoses at the thermostat housing.
  41. Connect the battery ground.
  42. Fill the cooling system.

Jul 08, 2010 | 1990 Jeep Wrangler

1 Answer

How do you take off a intake manifold


This is for the 4.6L motor...I'll post for the 5.0L and 5.8L....you didn't post your engine size so please pick the applicable motor:

4.6L Engine
CAUTION Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

  1. If equipped with air suspension, the air suspension switch, located on the right-hand side of the luggage compartment, must be turned to the OFF position before raising the vehicle.
  2. Disconnect the negative battery cable.
  3. Drain the engine cooling system.
  4. Relieve the fuel system pressure as follows:
    1. Remove the fuel tank fill cap to relieve the pressure in the fuel tank.
    2. Remove the cap from the Schrader valve located on the fuel injection supply manifold.
    3. Attach Fuel Pressure Gauge T80L-9974-B or equivalent, to the Schrader valve and drain the fuel through the drain tube into a suitable container.
    4. After the fuel system pressure is relieved, remove the fuel pressure gauge and install the cap on the Schrader valve. Secure the fuel tank fill cap.
  5. Disconnect the fuel supply and return lines.
  6. Remove the windshield wiper governor (module).
  7. Remove the engine air cleaner outlet tube.
  8. Release the drive belt tensioner and remove the accessory drive belt.
  9. Tag and disconnect the ignition wires from the spark plugs. Disconnect the ignition wire brackets from the cylinder head cover studs.
  10. Disconnect the wiring from both ignition coils and the Camshaft Position (CMP) sensor. Tag and disconnect all ignition wires from both ignition coils. Remove 2 bolts retaining the ignition wire bracket to the ignition coil brackets and remove the ignition wire assembly.
  11. Disconnect the alternator wiring harness from the junction block at the fender apron and alternator. Remove the bolts retaining the alternator brace to the intake manifold and the alternator to the cylinder block and remove the alternator.
  12. Raise and safely support the vehicle.
  13. Disconnect the oil pressure sensor and power steering control valve actuator wiring and position the wiring harness out of the way.
  14. Disconnect the EGR valve to exhaust manifold tube from the right-hand exhaust manifold.
  15. Lower the vehicle.
  16. Remove and detach the engine/transmission harness connector from the retaining bracket on the power brake booster.
  17. Detach the A/C compressor clutch, Crankshaft Position (CKP) sensor and the canister purge solenoid wiring connectors.
  18. Remove the PCV valve from the cylinder head cover and disconnect the canister purge vent hose from the PCV valve.
  19. Disconnect the accelerator and cruise control cables from the throttle body. Remove the accelerator cable bracket from the intake manifold and position out of the way.
  20. Disconnect the vacuum hose from the throttle body adapter port.
  21. Disconnect both Heated Oxygen Sensors (HO2S) and the heater water hose.
  22. Remove 2 bolts retaining the thermostat housing to the intake manifold and position the upper hose and thermostat housing out of the way.
The 2 thermostat housing bolts are also used to retain the intake manifold.
  1. Remove 9 bolts retaining the intake manifold to the cylinder heads and remove the intake manifold. Remove and discard the gaskets.
  2. If replacing the intake manifold, swap over the necessary parts.
To install:
  1. Clean all gasket mating surfaces.
  2. Position new intake manifold gaskets on the cylinder heads. Make sure the alignment tabs on the gaskets are aligned with the holes in the cylinder heads.
  3. Install the intake manifold and 9 retaining bolts. Hand tighten the right-rear bolt (viewed from the front of the engine) before final tightening, then torque the bolts, in sequence, to 15-22 ft. lbs. (20-30 Nm).
  4. Inspect and if necessary, replace the O-ring seal on the thermostat housing. Position the housing and upper hose and install 2 retaining bolts. Torque to 15-22 ft. lbs. (20-30 Nm).
  5. Reconnect the heater water hose.
  6. Reconnect both HO2S wiring connectors.
  7. Reconnect the vacuum hose to the throttle body adapter vacuum port.
  8. Install the accelerator cable bracket on the intake manifold and connect the accelerator and cruise control cables to the throttle body.
  9. Install the PCV valve in the cylinder head cover and connect the canister purge solenoid vent hose. Reconnect the A/C compressor clutch, CKP sensor and canister purge solenoid wiring connectors.
  10. Reconnect the engine/transmission harness connector. Install the connector on the retaining bracket on the power brake booster.
  11. Raise and safely support the vehicle.
  12. Reconnect the EGR valve to exhaust manifold tube to the right-hand exhaust manifold. Torque the tube nut to 26-33 ft. lbs. (35-45 Nm).
  13. Reconnect the power steering control valve actuator and the oil pressure sensor wiring connectors.
  14. Lower the vehicle.
  15. Position the alternator and install 2 retaining bolts. Torque to 15-22 ft. lbs. (20-30 Nm). Install 2 bolts retaining the alternator brace to the intake manifold and torque to 71-106 inch lbs. (8-12 Nm).
  16. Reconnect the alternator wiring harness to the alternator, right-hand fender apron and junction block.
  17. Position the ignition wire assembly on the engine and install 2 bolts retaining the ignition wire bracket to the ignition coil brackets. Torque the bolts to 71-106 inch lbs. (8-12 Nm).
  18. Reconnect the ignition wires to the ignition coils in their proper positions. Reconnect the ignition wires to the spark plugs.
  19. Reconnect the ignition wire brackets on the cylinder head cover studs. Reconnect the wiring connectors to both ignition coils and the CMP sensor.
  20. Install the accessory drive belt.
  21. Install the engine air cleaner outlet tube.
  22. Install the windshield wiper governor.
  23. Reconnect the fuel supply and return lines.
  24. Fill and bleed the engine cooling system.
  25. Reconnect the negative battery cable.
  26. If equipped with air suspension, turn the air suspension switch to the ON position.
  27. Start the engine and check for leaks.
  28. Road test the vehicle and check for proper operation.
4dc9694.gif
4.6L engine intake manifold torque sequence—1996-98 Models

Nov 30, 2009 | 1997 Mercury Grand Marquis

1 Answer

How to change head gasket?on gas v6. ISUZU RODEO Vin #452CG58V554341786


This is the same for many years. I will send this in 2 post it is to long. Hope this helps you. From the '00 Rodeo workshop manual:

Cylinder Head Assembly
Removal
1. Disconnect battery ground cable.
2. Disconnect connector of intake air temperature
sensor from intake air duct.
3. Remove PCV hose from air intake duct.
4. Remove nut from air intake duct bracket and loosen
hose clamp on throttle body. Remove air intake duct
assembly with air cleaner cover.
5. Remove intake air duct bracket from cylinder head.
6. Drain engine coolant.
7. Move drive belt tensioner to loose side using wrench
then remove drive belt.
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8. Remove radiator upper hose from engine side.
9. Remove four nuts of exhaust front pipe.
10. Remove three bolts from generator bracket then
remove the generator with brackets.
065RW025
11. Disconnect crankshaft angle sensor connector.
12. Disconnect knock sensor connector.
13. Remove heater hose from adapter side.
14. Remove heater hose from water pipe side.
15. Remove water hose between water pipe and throttle
body.
16. Remove fuel pipe joint eye bolts from fuel rail
assembly and remove fuel pipe bracket with electric
ground cable.
042RW001
17. Disconnect connector for evaporation valve.
18. Remove canister hose.
19. Remove fixing nut of intake manifold stay from
cylinder block side.
025RW002
20. Remove two bolts from intake manifold for water pipe
support and remove cylinder head assembly.
21. Remove engine harness cover and disconnect three
connectors from chassis harness on left rear side
engine compartment.
22. Disconnect connector for power steering pump
pressure switch.
23. Remove four bolts and remove crankshaft pulley.
ENGINE MECHANICAL (X22SE 2.2L) 6A–23
020RW014
24. Remove two bolts and nut then remove timing belt
front cover.
25. Remove ventilation hose from cylinder block side and
from cylinder head side.
26. Remove two bolts, ignition cable cover and remove
ignition cables from spark plug.
27. Disconnect camshaft angle sensor connector.
28. Remove ten bolts and remove cylinder head cover.
29. Remove fixing bolt of timing belt tensioner then
remove timing belt tensioner.
020RW010
30. Remove timing belt.
CAUTION:
 Do not bend or twist belt, otherwise its core could
be damaged. The belt should not be bent at a
radius less than 30 mm.
 Timing belt drive gear counterhold with J–42620.
 Do not allow oil or other chemical substances to
come in contact with the belt. They will shorten
the life.
 Do not attempt to pry or stretch the belt with a
screw driver or any other tool during installation.
 Store timing belt in cool and dark place. Never
expose the belt direct sunlight or heat.
31. Remove two idle pulleys, the left side with idle pulley
bracket.
32. Remove two bolts and stud bolt and remove timing
belt rear cover.
33. Remove camshaft angle sensor
34. Disconnect engine oil pressure switch connector.
050RW005
35. Remove camshaft assembly exhaust side.
36. Use J–42623 to remove ten cylinder head fixing bolts
012RW007
6A–24 ENGINE MECHANICAL (X22SE 2.2L)
Installation
1. Put cylinder head gasket on the cylinder block.
012RW011
2. Install the cylinder head assembly, tighten cylinder
head bolts by four steps tightening method in the
following sequence to the specified torque.(use
J–42623)
Torque: 25 N·m (18 lb ft) + 90 + 90 + 90
012RW006
3. Install camshaft assembly exhaust side and tighten
camshaft bracket bolts in the sequence to the
specified torque.
Torque: 8 N·m (5.9 lb ft)
015RW014
4. Connect engine oil pressure switch connector.
5. Install camshaft angle sensor.
6. Install the timing belt rear cover and tighten three
bolts to the specified torque.
Torque
M6 bolt: 6 N·m (4.4 lb ft)
M8 bolt: 8 N·m (5.8 lb ft)
020RW012
7. Install left side idle pulley with idle pulley bracket,
tighten to the specified torque and install right side
idle pulley and tighten to the specified torque.
Torque: 25 N·m (18 lb ft)
ENGINE MECHANICAL (X22SE 2.2L) 6A–25
020RW016

Oct 09, 2009 | Isuzu Rodeo Cars & Trucks

1 Answer

Blown head gaskit need to remove head and replace with new ong


2.2L (VIN 4) Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Relieve the fuel system pressure.
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    • Accessory drive belt
    • Air cleaner outlet duct
    • Engine mount
    • Intake manifold
    • Exhaust manifold
    • Engine Coolant Temperature (ECT) sensor electrical connector
    • Power steering pump
    • Radiator inlet pipe
    • Spark plug wires
    • Rocker arm cover

    NOTE Whenever valve train components are removed, keep them in order for installation purposes.

    • Rocker arms and pushrods
    • Lifters
    • Alternator rear brace and the alternator
    • Power steering pump
    • Radiator inlet pipe
    • Ignition coil assembly
    • Accessory bracket
    • Spark plug wires
    • Cylinder head bolts

    WARNING Two sizes of bolts are used; note the location of each.

    • Cylinder head
  5. Inspect the cylinder head and block surface for cracks, nicks, heavy scratches and flatness.
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Cylinder head torquing sequence—2.2L (VIN 4) engine

  1. Install or connect the following:
    • Cylinder head with a new gasket and new cylinder head bolts. Torque the long bolts, in sequence to 46 ft. lbs. (63 Nm) and the short bolts to 43 ft. lbs. (58 Nm) plus an additional 90 degree turn on all the bolts.
    • Lifters
    • Pushrods and rocker arms. Torque nuts to 22 ft. lbs. (30 Nm).
    • Rocker arm cover. Torque the bolts to 89 inch lbs. (10 Nm).
    • Spark plug wires
    • Accessory bracket
    • Ignition coil assembly
    • Radiator inlet pipe
    • Power steering pump. Torque the bolts to 22 ft. lbs. (30 Nm).
    • ECT sensor electrical connector
    • Exhaust manifold. Torque the nuts to 118 inch lbs. (13 Nm).
    • Alternator. Torque the bolts to 37 ft. lbs. (50 Nm).
    • Intake manifold. Torque the bolts to 17 ft. lbs. (24 Nm).
    • Engine mount. Torque the bolts to 55 ft. lbs. (75 Nm).
    • Air cleaner outlet duct
    • Accessory drive belt
    • Negative battery cable
  2. Refill and bleed the cooling system.
  3. Start the vehicle and inspect for leaks.

Oct 08, 2009 | 2000 Chevrolet Cavalier

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