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Can I install my throttle body myself?

It's a 1999 and it doesn't have throttle cable, it's only gas line, coolant line, and air

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I shouldn't see any reason why you can't fit it yourself should be streight forward

Posted on Apr 16, 2015

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Posted on Jan 02, 2017

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1 Answer

How to replace the fuel injector for a 2008 chrysler pt cruiser?


To remove a fuel injector or injectors you must remove the fuel supply rail that sits over them. Here is how you do that for both engine options, Turbo and non Turbo..

Removal & Installation

Except Turbocharged Models

WARNING Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or *****.
  1. Release fuel system pressure.
  2. Remove the air cleaner lid, disconnect the inlet air temperature sensor and makeup air hose.
  3. Remove the negative battery cable.
  4. Remove the engine cover or throttle control shield if equipped.
    NOTE Wrap shop towels around hose to catch any gasoline spillage.
  5. Disconnect fuel supply tube from rail.
  6. Remove the Intake Manifold, refer to the Engine section.
  7. Disconnect electrical connectors from fuel injectors.
  8. Remove bolts holding fuel rail.
  9. Remove the fuel rail and injectors.
  10. Remove the injectors from the fuel rail.
To install:
  1. Install injectors to the fuel rail.
  2. Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.
  3. Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place. Tighten fuel rail bolts to 170-230 inch lbs. (19.5-25.5 Nm).
  4. Attach electrical connectors to fuel injectors.
  5. Connect fuel supply tube to fuel rail. Refer to Quick Connect Fittings in the Fuel Delivery section
  6. Install Intake Manifold, refer to the Engine section.
  7. Install the engine cover or throttle control shield if equipped.
  8. Install the negative battery cable.
  9. Install the air cleaner lid, connect the inlet air temperature sensor and makeup air hose. Tighten air inlet tube clamps to 20-30 inch lbs. (2-4 Nm).

Turbocharged Models

WARNING Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or *****.
  1. Release the fuel system pressure.
  2. Disconnect the negative battery cable.
  3. Disconnect the throttle body inlet hose and remove from throttle body.
  4. Disconnect the purge hose from the throttle body.
  5. Unlock and disconnect the electrical connection at the throttle body.
  6. Remove the throttle control shield .
  7. Remove the throttle and speed control cables from the throttle body.
  8. Remove the cables from the throttle body bracket.
  9. Unlock and disconnect the MAP sensor electrical connector.
  10. Remove the vacuum lines from the rear of the intake manifold.
  11. Remove the 5 bolts from the front of the intake manifold.
  12. Remove the 2 bolts from the rear of the intake manifold.
  13. Remove the intake manifold. Cover the lower intake manifold openings.
  14. Drain the Coolant system.
  15. Move the upper radiator hose clamp, so that the hose can be rotated up and out of the way.
  16. Remove the 2 small hoses from the thermostat housing.
  17. Remove the 2 bolts from the thermostat housing and rotate the assembly up and out of the way.
    NOTE Wrap shop towels around hose to catch any gasoline spillage.
  18. Disconnect the fuel line from the fuel rail.
  19. Unlock and disconnect the electrical connectors from the fuel injectors.
  20. Remove the wiring harness from the fuel rail.
  21. Remove the 2 bolts from the fuel rail.
  22. Remove the fuel rail and injectors from the intake manifold.
To install:
  1. Install the fuel injectors to the fuel rail.
  2. Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.
  3. Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place.
  4. Install the 2 bolts to the fuel rail. Tighten fuel rail bolts to 170-230 inch lbs. (19.5-25.5 Nm).
  5. Install the wiring harness to the fuel rail.
  6. Connect and lock the electrical connectors to the fuel injectors.
  7. Connect the fuel line to the fuel rail.
  8. Rotate the assembly back into place and install the 2 bolts to the thermostat housing tighten to 110 inch lbs. (12.5 Nm).
  9. Move the upper radiator house clamp back into place.
  10. Install the 2 small hoses to the thermostat housing.
  11. Fill the Coolant system.
  12. Install the intake manifold.
  13. Install the 2 bolts to the rear of the intake manifold tighten to 250 inch lbs. (28 Nm).
  14. Install the 5 bolts to the front of the intake manifold and tighten to 250 inch lbs. (28 Nm).
  15. Install the vacuum lines to the rear of the intake manifold.
  16. Connect and lock the MAP sensor electrical connector.
  17. Install the cables to the throttle body bracket.
  18. Install the throttle and speed control cables to the throttle body.
  19. Install the throttle control shield.
  20. Connect and lock the electrical connections at the throttle body.
  21. Connect the purge hose to the throttle body.
  22. Connect the throttle body inlet hose to the throttle body and tighten clamps to 20-30 inch lbs. (2-4 Nm).
  23. Connect the negative battery cable.
  24. Use the DRB® scan tool ASD Fuel System Test to pressurize the fuel system. Check for leaks.

Mar 02, 2017 | Chrysler Cars & Trucks

1 Answer

How to replace the fuel injector on a 2008 chrysler pt cruiser


Removal & Installation

Except Turbocharged Models

WARNING Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or *****.
  1. Release fuel system pressure.
  2. Remove the air cleaner lid, disconnect the inlet air temperature sensor and makeup air hose.
  3. Remove the negative battery cable.
  4. Remove the engine cover or throttle control shield if equipped.
    NOTE Wrap shop towels around hose to catch any gasoline spillage.
  5. Disconnect fuel supply tube from rail.
  6. Remove the Intake Manifold, refer to the Engine section.
  7. Disconnect electrical connectors from fuel injectors.
  8. Remove bolts holding fuel rail.
  9. Remove the fuel rail and injectors.
  10. Remove the injectors from the fuel rail.
To install:
  1. Install injectors to the fuel rail.
  2. Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.
  3. Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place. Tighten fuel rail bolts to 170-230 inch lbs. (19.5-25.5 Nm).
  4. Attach electrical connectors to fuel injectors.
  5. Connect fuel supply tube to fuel rail. Refer to Quick Connect Fittings in the Fuel Delivery section
  6. Install Intake Manifold, refer to the Engine section.
  7. Install the engine cover or throttle control shield if equipped.
  8. Install the negative battery cable.
  9. Install the air cleaner lid, connect the inlet air temperature sensor and makeup air hose. Tighten air inlet tube clamps to 20-30 inch lbs. (2-4 Nm).

Turbocharged Models

WARNING Release fuel system pressure before servicing fuel system components. Service vehicles in well ventilated areas and avoid ignition sources. Never smoke while servicing the vehicle. This may result in personal injury or *****.
  1. Release the fuel system pressure.
  2. Disconnect the negative battery cable.
  3. Disconnect the throttle body inlet hose and remove from throttle body.
  4. Disconnect the purge hose from the throttle body.
  5. Unlock and disconnect the electrical connection at the throttle body.
  6. Remove the throttle control shield .
  7. Remove the throttle and speed control cables from the throttle body.
  8. Remove the cables from the throttle body bracket.
  9. Unlock and disconnect the MAP sensor electrical connector.
  10. Remove the vacuum lines from the rear of the intake manifold.
  11. Remove the 5 bolts from the front of the intake manifold.
  12. Remove the 2 bolts from the rear of the intake manifold.
  13. Remove the intake manifold. Cover the lower intake manifold openings.
  14. Drain the Coolant system.
  15. Move the upper radiator hose clamp, so that the hose can be rotated up and out of the way.
  16. Remove the 2 small hoses from the thermostat housing.
  17. Remove the 2 bolts from the thermostat housing and rotate the assembly up and out of the way.
    NOTE Wrap shop towels around hose to catch any gasoline spillage.
  18. Disconnect the fuel line from the fuel rail.
  19. Unlock and disconnect the electrical connectors from the fuel injectors.
  20. Remove the wiring harness from the fuel rail.
  21. Remove the 2 bolts from the fuel rail.
  22. Remove the fuel rail and injectors from the intake manifold.
To install:
  1. Install the fuel injectors to the fuel rail.
  2. Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.
  3. Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place.
  4. Install the 2 bolts to the fuel rail. Tighten fuel rail bolts to 170-230 inch lbs. (19.5-25.5 Nm).
  5. Install the wiring harness to the fuel rail.
  6. Connect and lock the electrical connectors to the fuel injectors.
  7. Connect the fuel line to the fuel rail.
  8. Rotate the assembly back into place and install the 2 bolts to the thermostat housing tighten to 110 inch lbs. (12.5 Nm).
  9. Move the upper radiator house clamp back into place.
  10. Install the 2 small hoses to the thermostat housing.
  11. Fill the Coolant system.
  12. Install the intake manifold.
  13. Install the 2 bolts to the rear of the intake manifold tighten to 250 inch lbs. (28 Nm).
  14. Install the 5 bolts to the front of the intake manifold and tighten to 250 inch lbs. (28 Nm).
  15. Install the vacuum lines to the rear of the intake manifold.
  16. Connect and lock the MAP sensor electrical connector.
  17. Install the cables to the throttle body bracket.
  18. Install the throttle and speed control cables to the throttle body.
  19. Install the throttle control shield.
  20. Connect and lock the electrical connections at the throttle body.
  21. Connect the purge hose to the throttle body.
  22. Connect the throttle body inlet hose to the throttle body and tighten clamps to 20-30 inch lbs. (2-4 Nm).
  23. Connect the negative battery cable.
  24. Use the DRB® scan tool ASD Fuel System Test to pressurize the fuel system. Check for leaks.

Mar 02, 2017 | Chrysler Cars & Trucks

1 Answer

Do I have to take the top in take manafold off to tighten the lower intake manafold on a 1993 buick regal 3.8 L engine?


Yes you do, the following info explains the necessary procedure.



Click here to enlarge image.
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Click here to enlarge image.

tecnovative_76.gif
  1. Properly relieve the fuel system pressure.
  2. Disconnect the negative battery cable. Place a clean drain pan under the radiator, open the drain **** and drain the cooling system.
  3. Remove the air cleaner assembly and the fuel injector sight shield.
  4. Disconnect the cables from the throttle body and mount bracket.
  5. Remove the coolant recovery reservoir.
  6. Remove the inner fender electrical cover on the right side.
  7. Remove the right rear crossover pipe heat shield.
  8. Disconnect the fuel lines from the fuel rail and from the cable bracket.
  9. Remove the alternator and brace.
  10. Remove the throttle body cable mounting bracket with the vacuum lines and disconnect the vacuum lines.
  11. Tag and detach the electrical connections at the throttle body and both banks of fuel injectors.
  12. Disconnect the vacuum hoses from the canister purge solenoid valve and transaxle module and intake connection.
  13. Unbolt the power steering pump and move forward. DO NOT disconnect the fluid lines.
  14. Tag and disconnect the spark plug wires position lay aside.
  15. Disconnect the coolant bypass hose from the intake manifold.
  16. Remove the solenoid valve mounting bracket and power steering support brace from the intake manifold.
  17. Disconnect the heater pipes from the intake and front cover.
  18. Remove the alternator support brace from the intake.
  19. Disconnect the upper radiator hose from the housing.
  20. Remove the thermostat housing and thermostat from the intake.
  21. Detach the electrical connector from the temperature sensor and sensor switch.
  22. Unfasten the intake manifold bolts, then remove the manifold as an assembly. Remove and discard the gaskets.
  23. If separating the upper manifold from the lower, proceed as follows:
  24. Remove the fuel rail and fuel injectors.
  25. Detach the coolant sensor switch.
  26. Remove the manifold end cap cover.
  27. Remove the upper intake manifold and throttle body assembly from the lower manifold. Remove and discard the gaskets. To install:
  28. Thoroughly clean all gasket mating surfaces.
  29. If replacing the upper manifold, proceed as follows:
  30. Apply a 1⁄16 in. bead of Loctite® Instant Gasket Eliminator 51845 or equivalent to the lower manifold mating surface. Make sure to circle all bolt holes.
  31. Carefully lower the upper manifold and throttle body assembly onto the lower manifold.
  32. Tighten the upper manifold retaining bolts to 19 ft. lbs. (26 Nm).
  33. Install the manifold end cap cover and the coolant sensor switch.
  34. Install the fuel injectors and rail to the manifold assembly.
  35. Clean the mating surfaces and install the intake manifold gaskets and seals. Apply sealer to the ends of the of the intake manifold seals.
  36. Position the intake manifold and apply a suitable thread lock compound to the bolt threads. Tighten the retaining bolts to 88 inch lbs. (10 Nm), twice, in the sequence shown in the accompanying figure.
  37. Attach the electrical connector to the temperature sensor and sensor switch.
  38. Install the thermostat housing and thermostat with a new gasket.
  39. Connect the alternator support brace to the intake.
  40. Install the solenoid valve mounting bracket and power steering support brace to the intake manifold.
  41. Connect the heater pipes to the intake and front cover.
  42. Attach the coolant bypass hose to the intake manifold.
  43. Install the power steering pump support bracket and tighten to 37 ft. lbs. (50 Nm).
  44. Install the spark plug wires on both sides.
  45. Install the belt tensioner pulley and tighten to 33 ft. lbs. (45 Nm).
  46. Install the power steering pump.
  47. Connect the vacuum hoses to the canister purge solenoid valve and transaxle module and intake connection.
  48. Attach the electrical connections at the throttle body and both banks of fuel injectors.
  49. Install the alternator and brace.
  50. Connect the throttle body cable mounting bracket with the vacuum lines.
  51. Install the right rear crossover pipe heat shield.
  52. Install the cables to the throttle body.
  53. Connect the fuel lines to the fuel rail and mount bracket.
  54. Install the inner fender electrical cover on the right side.
  55. Install the coolant recovery reservoir and upper radiator hose. Fill the cooling system.
  56. Install the air cleaner assembly and the fuel injector sight shield.
  57. Connect the negative battery cable.

Jan 31, 2011 | 1993 Buick Regal

2 Answers

Where is throttle positioning sensor on a suzuki forenza


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Disconnect the Intake Air Temperature (IAT) sensor connector.
  3. Disconnect the breather hose from the valve cover.
  4. Remove the air intake tube.
  5. Disconnect the throttle cables by opening the throttle and moving the cable through the release slot.
  6. Disconnect the vacuum hoses from the throttle body.
  7. Disconnect the Throttle Position (TP) sensor and the idle air control valve connectors.
  8. Disconnect the coolant hoses from the throttle body.
  9. Remove the throttle body and discard the gasket.
  10. Remove the TP sensor.
  11. Remove the Idle Air Control (IAC) valve.
  12. Remove the throttle body retaining nuts.
  13. Remove the throttle body.

To install:

  1. Install the throttle body.
  2. Connect the TP sensor connector and the IAC valve connector.
  3. Connect the coolant hoses to the throttle body.
  4. Connect the vacuum hoses to the throttle body.
  5. Connect the throttle cable.
  6. Install the air intake tube.
  7. Connect the breather hose to the valve cover.
  8. Connect the IAT sensor connector.
  9. Connect the negative battery cable.
  10. Fill the cooling system
  11. shinehutt_33.gif
  12. i hope this helps tps is attatched to hrottle body on other side than throttle cable
  13. plz dont forget to vote rep[ly if you need more help

Jan 17, 2011 | 2006 Suzuki Forenza

1 Answer

When i turn on heater or fan engine revs over 3000 rpm


Idle Air Control Valve Pintle may be bad If you disconnect the IAC and the problem ceases it can point to this being the problem.: Removal & Installation 3.5L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove the fuel injector sight shield.
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    • The air cleaner intake duct. Figure of IAC and TPS electrical connectors disconnected. aurora_g1.gif

    • The idle air control (IAC) valve and throttle position (TP) sensor electrical connectors. Figure of cruise control and throttle control cables removed from throttle lever. aurora_g2.gif

    • The cruise control cable and throttle control cable from the throttle body lever.
    • The fuel pressure regulator vacuum hose, positive crankcase ventilation (PCV) hose and the throttle body vacuum port hose.
    • The throttle body coolant hoses.
    • The throttle control cable bracket, leaving the throttle and cruise cables connected.
    • The upper nut holding the throttle body to the intake manifold.
    • The throttle body assembly.
  5. Clean the gasket mating surfaces.
To Install:
  1. Install a new gasket and new studs if necessary.
  2. Install or connect the following:
    • The throttle body assembly.
    • Start the top nut by hand.
    • The throttle body coolant hoses.
    • Position the throttle control cable bracket and hand start the retaining nuts and bolt.
    • Torque the three throttle body retaining nuts to 89 in.lbs. (10 Nm). And the bracket retaining bolt to 115 in.lbs. (13 Nm).
    • The throttle body vacuum port hose, PCV valve hose and the fuel pressure regulator hose.
    • The throttle control and cruise control cables to the throttle body lever.
    • The IAC valve and TP sensor electrical connectors.
    • The air intake duct.
  3. Refill the cooling system.
  4. Install the fuel injector sight shield.
4.0L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable.
    • The Mass Air Flow (MAF) sensor electrical connector.
    • The air cleaner intake duct.
    • The PCV valve fresh air tube. Figure of cruise control cable removed from throttle cable bracket. aurora_g3.gif

    • The cruise control cable and throttle control cable from the bracket.
    • The cruise control cable and throttle control cable from throttle body lever. Figure of IAC valve and TPS connectors removed. aurora_g4.gif

    • The idle air control (IAC) valve and throttle position (TP) sensor electrical connectors. Figure of fuel lines removed from retainer on throttle cable bracket. aurora_g5.gif

    • The fuel feed and return lines from the retainer on the throttle control cable bracket.
    • The transaxle shift cable clip from the throttle control cable bracket. Figure of throttle body removed from water crossover. aurora_g6.gif

    • The throttle body from the water crossover.
To Install:
NOTE: The Mass Air Flow (MAF) sensor inlet and the outlet of the air cleaner assembly must line up when installed. Misalignment may cause MIL illumination or driveability concerns.
  1. Install or connect the following.
    • The throttle body to the water crossover. Torque the bolts to 106 in.lbs. (12 Nm).
    • The IAC valve and TP sensor electrical connectors.
    • The throttle and cruise control cables to the throttle body lever.
    • The throttle and cruise control cables to the throttle control cable bracket. The transaxle shift cable clip to the throttle control cable bracket.
    • The fuel feed and return line retainer to the throttle control cable bracket.
    • The MAF sensor electrical connector.
    • The air cleaner intake duct clamp. Torque the clamp to 27 in.lbs. (3Nm).
    • The PCV valve fresh air tube.
    • The fuel injector sight shield. Torque the nuts to 20 in.lbs. (2.3 Nm).
  2. Install the negative battery cable.
  3. Pressurize the fuel system and verify no leaks.
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Oct 07, 2010 | 2001 Oldsmobile Alero

1 Answer

Need to replace intake manifold how do you do this


Bonneville, LeSabre, Park Avenue 2000-2005 Intake Manifold - Removal & Installation

3.8L Engine
VIN 1 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:
    Negative battery cable Supercharger Thermostat housing Exhaust Gas Recirculation (EGR) tube at the intake manifold Engine Control Temperature (ECT) sensor Intake manifold
To install:
  1. Install or connect the following:
    Intake manifold with new gaskets. Torque the bolts, working from the center out, to 11 ft. lbs. (15 Nm). ECT sensor connector EGR tube to the intake manifold Thermostat housing Supercharger Negative battery cable
  2. Refill and bleed the cooling system.
  3. Run the engine and check for leaks and proper engine operation.

VIN K Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect the negative battery cable.
  3. Drain the cooling system.
  4. Relieve the fuel system pressure.
  5. Remove or disconnect the following:
    Fuel injector sight shield Air inlet duct Spark plug wires from the right side Manifold Absolute Pressure (MAP) sensor Vacuum lines from the intake manifold Fuel lines Fuel injector electrical connectors Fuel regulator vacuum line Fuel rail from the intake manifold Exhaust Gas Recirculation (EGR) heat shield Throttle cable bracket from the cylinder head mounting bracket and the throttle body cables Throttle body support bracket Upper intake plenum and gasket Thermostat housing Electrical connector from the Engine Coolant Temperature (ECT) sensor Drive belt tensioner assembly EGR valve outlet pipe Lower intake manifold

    a5adffa.jpg
    Fig. Exploded view of the intake manifold and related components-3.8L (VIN K) engine
To install:


140d431.jpg
Fig. Upper intake manifold torque sequence-3.8L (VIN K) engine


4950e4f.jpg
Fig. Lower intake manifold torque sequence-3.8L (VIN K) engine
  1. Install or connect the following:
    Intake manifold using new manifold gaskets. Torque the bolts in sequence to 11 ft. lbs. (15 Nm); then, re-torque to 11 ft. lbs. (15 Nm). EGR valve outlet pipe Drive belt tensioner assembly. Torque the tensioner bolts to 37 ft. lbs. (50 Nm). Electrical connector to the ECT sensor Thermostat housing Upper intake plenum. Torque the intake plenum bolts to 88 inch. lbs. (10 Nm). Throttle body support bracket Throttle cable bracket to the cylinder head mounting bracket and the cables to the throttle body lever EGR heat shield Fuel rail. Torque the fuel rail bolts to 88 inch. lbs. (10 Nm). Fuel lines Fuel regulator vacuum line Fuel injector electrical connectors Vacuum lines to the intake manifold MAP sensor Spark plug wires Fuel injector sight shield and air inlet duct Negative battery cable
  2. Refill and bleed the cooling system.
  3. Run the engine and check for leaks and proper engine operation.

Hope this help (remember rated this).

May 17, 2010 | 2001 Pontiac Bonneville

1 Answer

Need to replace a idle air control valve on a 1999 300M Chrysler


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Disconnect the IAC electrical connector.
  3. Remove the IAC mounting screws.
  4. Remove the IAC.



da3669e.gif

To install:
  1. Install the IAC to the throttle body.
  2. Tighten mounting screws to 5.1 Nm (45 inch lbs.) torque.
  3. Attach electrical connector to the IAC.
  4. Connect the negative battery cable.
  1. Disconnect electrical connector from IAC motor.
  2. Disconnect air plenum (where applicable).
  3. Remove two mounting bolts (screws).
  4. Remove IAC motor from throttle body.

3ccd55e.gif

To install:
  1. Install IAC motor to throttle body.
  2. Install and tighten two mounting bolts (screws) to 60 inch lbs. (7 Nm) torque.
  3. Install electrical connector.
  4. Connect air plenum (where applicable).

Mar 06, 2010 | 1999 Chrysler 300M

2 Answers

How can i get to the thermostat housing on my 1999 Buick Century


drain the coolant
remove the 2 connectors on the air duct
remove the air inlet duct from the throttle body to the air box
disconnect the throttle cable and cruise control cable
remove the throttle cable bracket one 10mm nut at the bottom of the throttle body and 2-10mm bolts on top of the throttle body
MOVE A SIDE YOU DO NOT HAVE TO REMOVE THE CABLES FROM THE BRACKET
ok there is a coolant pipe runs across the front valve cover
remove the the hose that will go under the upper intake
then remove the 8mm bolt holding the coolant pipe
then back at the throttle body there are 2 small hoses side the clamps up the you will see a brace on the coolant pipe bolts to the throttle body with a 13mm nut remove that nut
ok now the 2 small hoses will be stuck to the pipe use a SLIDE A SMALL SCREW DRIVER BETWEEN THE HOSES AND THE COOLANT PIPE BE CAREFULL NOT TO CUT THE HOSE
now lift the coolant pipe up at the front of the engine IT HASE AN O RING SEAL
then slide the coolant pipe back at the throttle body back to remove the hoses from the coolant pipe
remove the TPS,IAC and EVAP connectors
then remove the 2 thottle body bolts 13mm
remove the throttle body
you may have to TAP THE THROTTLE BODY WITH A SCREW DRIVE HANDLE TO RELEASE
check the gasket make sure it didn't TEAR or REPLACE IT
now remove the hose to the thermostat housing
there are 2 -13mm bolts the top bolt take it out
the bottom bolt remove 90% the bottom bolt hole is slotted
remove the thermostat housing
REV. porcedure to reassemble
then after you have reassembled
OPEN BOTH BLEED SCREWS THEY ARE 7mm BOLTS one on the thermostat housing and the other one is on the coolant pipe
fill the cooling system till you have a STREAM OF COOLANT COMING OUT OF THE BLEEDERS now CLOSE THE BLEEDER SCREWS
top up coolant in rad and install the cap top up the over flow bottle
start the vehicle up and select VENT,HIGH HEAT BLOWER TO HIGH
let vehicle run untill you have GOOD HEAT COMING OUT OF THE VENTS HOT! NOT JUST WARM
this will insure you have no air locks in the cooling system
good luck and i hope this was helpfull


Dec 19, 2009 | 2001 Buick Century

2 Answers

HOW DO I CHANGE THE THERMOSTAT ON A 1998 CHEVROLET LUMINA 3.1


FIRST OF ALL YOU HAVE TO DRAIN SOME COOLANT.JUST ENOUGH SO COOLANT WONT FLOW ALL OVER ENGINE.AND COOLANT TO EXPENSIVE ON THE GROUND.TO GET TO THERMOSTAT.YOU HAVE TO DISCONNECT CONNECTORS TO MAF EGR IDLE SPEED CONTROL AND IAT SENSOR.. REMOVE THROTTLE AND SHIFT CABLES FROM BRACKET.REMOVE AIR FILTER ASSEMBLY WITH MASS AIR FLOW SENSOR.REMOVE BOTTOM PORTION OF AIR FILTER HOUSING.REMOVE COOLANT HOSES FROM THROTTLE BODY.THEN REMOVE THROTTLE BODY ASSEMBLY.YOU HAVE TO DISCONNECT SMALL COOLANT HOSE TOP WATER PUMP.REMOVE SMALL BOLT THAT HOLDS METAL COOLANT LINE TO WATER PUMP.THIS LINE HAS TO BE MOVE JUST ENOUGH SO YOU CAN REMOVE THROTTLE BODY.ONCE THROTTLE BODY OUT THE WAY YOU CAN REMOVE THERMOSTAT.BESURE WHEN YOU PUT EVERYTHING BACK TOGETHER.REPLACE THROTTLE GASKET AND THE COOLANT HOSES COME OFF THROTTLE BODY BESURE TO USE OLD COOLANT HOSES MEASUREMENTS FOR NEW HOSES MEASUREMENTS MAKE SURE YOU BUY THE CURVE HOSE FOR THROTTLE BODY. DONT TRY TO USE STRAIGHT HOSE IT WILL KINK AND CAUSE NO COOLANT FLOW.WHEN YOU ARE DONE.FILL COOLANT BACK TO CORRECT LEVEL AND BLEED COOLANT SYSTEM.

Oct 25, 2009 | 1998 Chevrolet Lumina

1 Answer

Thermastat on alero 1999


drain half of coolant out of radiator. remove air filter +air duct from throttle body disconnect all electrical connectors besure to tag them with number so you can put them back in order.remove the accelerator and shift cable on the bracket then remove bracket.remove the air filter box. you have to move throttle body.to make it easy to get to thermostat.then you remove the thermostat hose then housing remove your thermostat.besure to get new throttle body hoses and gasket. make you get the thermostat with the o ring with it.

Apr 25, 2009 | 1999 Oldsmobile Alero

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