Question about 2008 Beta RR 250 M

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Blown head gasket

What should I be aware of when replacing the head gaskets on the front and rear cylinders on a 1988 RR 250 M? ie. tightening bolts

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Replacing o-rings order of reassembly things to look for compression test, etc.,I'm hoping you have a proper repair manual for the bike - 'cause that's a hefty undertaking you're into. Other than that, I can't help you as I have no experience with these bikes.,,,

Posted on Nov 10, 2008

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I need head bolt torque specs for a 2000 cadillac deville dts..


DeVille, Eldorado, Seville 1999-2005

Cylinder Head

Print


Removal & Installation

Left Side

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

    Negative battery cable Exhaust manifold Alternator Water crossover Intake manifold Valve cover Timing cover Secondary camshaft drive chain Power steering return hose retaining bolt from the cylinder head 3 M6 external drive bolts from the front portion of the cylinder head 10 M11 internal drive cylinder head bolts Cylinder head and gasket.
  5. Clean the head mating surfaces.

To install:

0996b43f80231662.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Left cylinder head bolt torque sequence-4.6L engine

  1. Install the cylinder head with a new gasket. Lubricate the bolts with engine oil prior to installation.
  2. Torque the M11 bolts in sequence as follows:
    1. Step 1: 30 ft. lbs. (40 Nm), plus an additional 70 degrees
    2. Step 2: Turn an additional 60 degrees
    3. Step 3: Turn an additional 60 degrees (total 190 degrees)

  3. Torque the M6 bolts to 106 inch lbs. (12 Nm)
  4. Install or connect the following:

    Power steering return hose retaining bolt to the cylinder head and tighten to 37 ft. lbs. (50 Nm) Secondary camshaft drive chain Timing cover Valve cover Intake manifold Water crossover Exhaust manifold Negative battery cable
  5. Change the oil and filter.
  6. Fill the cooling system.

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

    Negative battery cable Exhaust manifold Water crossover Intake manifold Valve cover Timing cover Secondary camshaft drive chain Electrical connector from the Engine Coolant Temperature (ECT) sensor Nut attaching the coil cassette ground wire to the cylinder head Bolt attaching the exhaust crossover pipe to the cylinder head Bolt attaching the right transaxle mount bracket to the cylinder head Bolt attaching the rear transaxle brace to the transaxle Nuts attaching the rear transaxle brace to the cylinder head Rear transaxle brace 3 M6 external drive bolts from the front portion of the cylinder head 10 M11 internal drive cylinder head bolts Cylinder head and gasket
  5. Clean the head mating surfaces.

To install:

0996b43f80231663.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Right cylinder head bolt torque sequence- 4.6L engine

  1. Install the cylinder head with a new gasket. Lubricate the bolts with engine oil prior to installation.
  2. Torque the M11 bolts in sequence as follows:
    1. Step 1: 30 ft. lbs. (40 Nm), plus an additional 70 degrees.
    2. Step 2: Turn an additional 60 degrees.
    3. Step 3: Turn an additional 60 degrees (total 190 degrees).

  3. Torque the M6 bolts to 106 inch lbs. (12 Nm).
  4. Install or connect the following:

    Rear transaxle brace over the studs located at the rear of the right cylinder head Nuts attaching the rear transaxle brace to the cylinder head, loosely Bolts attaching the rear transaxle braces to the transaxle and tighten to 37 ft. lbs. (50 Nm) Nuts attaching the rear transaxle brace to the cylinder head and tighten 37 ft. lbs. (50 Nm) Electrical connector to the ECT sensor Bolt attaching the exhaust crossover pipe to the cylinder head and tighten to 18 ft. lbs. (25 Nm) Nut attaching the coil cassette ground wire to the cylinder head and tighten to 13 ft. lbs. (17 Nm) Secondary camshaft drive chain Timing cover Valve cover Intake manifold Water crossover Exhaust manifold Negative battery cable
  5. Change the oil and filter.
  6. Fill the cooling system.

Apr 16, 2013 | 2000 Cadillac DeVille DTS

1 Answer

2008 CHEVY HHR TORQUE SPECS FOR HEAD


    DO NOT use any sealing material.

  1. Install the cylinder head gasket.
  2. Install the cylinder head.
  3. Install NEW cylinder head bolts.
  4. Caution!Refer to Fastener Notice in Cautions and Notices.

    412510.gif
    Click to Enlarge

  5. Install and tighten the cylinder head bolts in the sequence shown.
  6. Tighten
    Tighten the bolts to 30 N•m (22 lb ft) plus an additional 155 degrees using the J 45059 .

    412425.gif
    Click to Enlarge

  7. Install the NEW front cylinder head bolts.
  8. Tighten
    Tighten the bolts to 35 N•m (26 lb ft).

/f 412425.gif412510.gif

Feb 19, 2013 | 2008 Chevrolet HHR 2.2

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

Hi can you tell me how much torque spectification to replace head gasket bolts, camshaft caps bolts, and camshaft pully bolts for 1994 GS 300 lexus Thank you very much for your help



  1. 60293.gif

    Cylinder head bolt tightening sequence - 1993-97

  2. Remove the head from the engine. If prying is necessary, use a protected blade; take great care not to damage the mating surfaces of the head and block.

  3. Clean the head and block of all gasket material. Take great care not to gouge or scratch the mating surfaces.

To install:

  1. Place a new gasket on the cylinder block. Make sure it is positioned correctly. Install the cylinder head in position.

  2. Lightly coat the head bolt threads and plate washers with engine oil. Install the bolts in the head.

  3. Uniformly tighten the head bolts in several passes in sequence, to 25 ft. lbs. (34 Nm).

  4. Mark the front of each bolt with a dot of paint. Following the correct order, tighten each bolt an additional 90 degrees. When complete, all the paint marks should face to the side of the engine.

  5. Again following the correct order, tighten the bolts another 90 degrees of rotation. When complete, the paint marks should face the rear of the engine, exactly 180 degrees away from the original starting point. Correct bolt torque is expressed as 25 ft. lbs. (34 Nm) + 90° + 90°.


Jan 07, 2011 | 1994 Lexus GS 300

1 Answer

I need to replace oil pump on a 1988 ford bronco 2


Remove oil pan, making sure to drain oil first. Remove oil pump attaching bolts. Lift off oil pump and withdraw oil pump drive shaft.
INSTALLATION;
Prime the new oil pump by filling either the inlet or outlet port with engine oil. Rotate the pump shaft to distribute oil within the pump body. Insert oil pump drive shaft into block dwith the pointed end facing inward. The pointed end is closest to the pressed-on flange. Place oil pump into position with a new gasket and install attaching screws. Tighten the screws to 15-22 foot pounds of tourque. Clean and install the oil pump inlet tube and screen assembly with a new gasket. Tighten the bolts, then replace the oil pan.
Oil Pan;
Clean of any debris and replace gasket. Fit the oil pan bolts and tighten in two steps. Start from the rear/left hand side and tighten first, then tighten the bolt in the front/right side. Alternate from rear to front, working from back to front and front to back.

Oct 06, 2010 | 1988 Ford Bronco II

3 Answers

How do I remove the head? (Blown Head gasket)


prev.gif next.gif Cylinder Head REMOVAL & INSTALLATION 2.3L Engine
  1. Properly relieve the fuel system pressure.
  2. Disconnect the negative battery cable, then drain cooling system into a suitable container.
  3. Detach the heater inlet and throttle body heater hoses from water outlet. If accessible at this time, disconnect the upper radiator hose from the water outlet.
  4. Remove the exhaust manifold. For details, please refer to the procedure located in this section.
  5. Remove the intake (camshaft housing for SOHC) and exhaust (DOHC only) camshaft housings.
  6. Unfasten the oil fill tube bolt/screw then remove the oil fill cap and level indicator assembly. Pull the oil fill tube upward to unseat from block.
  7. Label and disengage the injector harness electrical connector.
  8. Detach the throttle body-to-air intake duct.
  9. Tag and disconnect the power brake vacuum hose from the throttle body.
  10. Remove the throttle cable bracket.
  11. Remove the throttle body from the intake manifold with the electrical harness and throttle cable attached and position the assembly aside.
  12. Tag and disconnect the MAP sensor vacuum hose from the intake manifold, then remove the intake manifold brace.
  13. Detach the electrical connectors from the MAP sensor, IAT sensor and the EVAP canister purge solenoid.
  14. If not already done, detach the upper (inlet) radiator hose from the water outlet.
  15. Disengage the coolant temperature sensor connector(s).
  16. Unfasten the cylinder head bolts in reverse order of the installation sequence shown in the accompanying figures.
  17. Lift the cylinder head from the engine block. Remove and discard the gasket. Inspect the oil flow check valve for freedom of movement.
  18. Using a suitable solvent, thoroughly clean and dry all bolts, bolt holes and mating surfaces. Inspect the head bolts for any damage and replace, if necessary. If using a scraper to clean the old gasket material from the mating surfaces, use only a plastic or wood one, NOT a metal scraper. Do NOT allow any debris to fall into the engine! To install:
  19. Place a new cylinder head gasket on the cylinder block, then carefully position the cylinder head in place.
  20. Sparingly coat the head bolt threads with clean engine oil, then allow the oil to drain off before installing.
  21. On 1988-89 engines, install and tighten the cylinder head bolts, in sequence, as follows:
    • Step 1 - Tighten all head bolts in sequence to 26 ft. lbs. (35 Nm)
    • Step 2 - Using a torque angle meter, tighten the short bolts an additional 80°and the long bolts an additional 90°in sequence Fig. 5: Cylinder head bolt tightening sequence - 1988-89 2.3L engine 86883121.gif
  22. On 1990-91 engines, tighten the cylinder head bolts, in sequence, as follows:
    • Step 1 - Tighten all head bolts in sequence to 26 ft. lbs. (35 Nm)
    • Step 2 - Using a torque angle meter, tighten the short bolts an additional 100°and the long bolts an additional 110°in sequence Fig. 6: Cylinder head bolt tightening sequence - 1990-91 2.3L engine 86883122.gif
  23. On 1992 engines, tighten the cylinder head bolts, in sequence, as follows:
    • Step 1 - Tighten, in sequence, head bolts 1-6 to 26 ft. lbs. (35 Nm), 7-8 to 15 ft. lbs. (20 Nm) and 9-10 to 22 ft. lbs. (30 Nm).
    • Step 2 - Tighten all head bolts, in sequence, an additional 90°using J 36660 or equivalent
    • Step 3 - In sequence, loosen each bolt one turn, then immediately re-tighten to the specified torque
    • Step 4 - After completing step 3 on all 10 bolts, tighten each bolt, in sequence, an additional 90° Fig. 7: Cylinder head bolt tightening sequence - 1992 2.3L engine 86883123.gif
  24. On 1993-95 vehicles, tighten the cylinder head bolts to the specifications shown in the accompanying figures. Fig. 8: Cylinder head bolt tightening sequence and specifications - 1993 2.3L engine 86883124.gif
    Fig. 9: Cylinder head bolt tightening sequence and specifications - 1994-95 2.3L engine 86883125.gif
  25. Engage the coolant temperature sensor electrical connector(s).
  26. Connect the upper radiator hose to the water outlet.
  27. Install the intake manifold bracket.
  28. Attach the following electrical connections: MAP sensor, IAT sensor, and the purge solenoid.
  29. Using a new gasket, install the throttle body to the intake manifold.
  30. Install the accelerator control cable bracket.
  31. Connect the throttle body-to-air intake duct.
  32. Install the oil fill tube and level indicator.
  33. Install the camshaft housing(s).
  34. Install the exhaust manifold. For details, please refer to the procedure located in this section.
  35. Connect the heater inlet and throttle body heater hoses to the water outlet.
  36. Fill all fluids to their proper levels.
  37. Connect the battery cable, start the engine and check for leaks.

Sep 24, 2010 | 1992 Oldsmobile Achieva

1 Answer

I have a honda xlr250 1988 model,the problem is there is always leakage between the cylinder head and the block


Remove the cylinder head cover then tighten the four head bolts holding the head and cylinder to the gearbox. Hopefully you will not need to find and install a new cylinder gasket.

Sep 07, 2010 | 1990 Honda XR 250 R

1 Answer

I need the head bolt torque specification for a 2005 aveo


install:
  1. The cylinder head should be cleaned and inspected prior to installation.
  2. Lightly oil all bolt and stud bolt threads before installation.
  3. Clean all gasket mating surfaces thoroughly.
  4. Install a new head gasket on the cylinder block. WARNING Always use new cylinder head bolts when installing the cylinder head or damage to the engine may occur.
  5. Install the cylinder head on the cylinder block.
  6. Tighten the cylinder head bolts in reverse of the removal sequence. Tighten the 2004 cylinder head bolts to 18 ft. lbs. (25 Nm). Tighten an additional 70°, plus 70°, plus another 50°. Tighten 2005 bolts to 18 ft. lbs. (25 Nm). Tighten an additional 60°, plus 60°, plus another 10°.
  7. Install the right engine mount. Tighten the engine mount attaching bolts to 22 ft. lbs. (30 Nm).
  8. Install or connect the following:
    • Intake manifold
    • Intake manifold support bracket. Tighten the bolts to 18 ft. lbs. (25 Nm).
    • Throttle cable
    • Surge tank coolant hose
    • Heater hose to cylinder head
    • Fuel feed line at the fuel rail
    • All vacuum hoses
    • Exhaust manifold
    • Rear timing belt cover
    • Timing belt tensioner. Tighten the bolts to 18 ft. lbs. (25 Nm).
    • Idler pulley. Tighten the bolts to 18 ft. lbs. (25 Nm).
    • Intake and exhaust camshaft gears. Tighten the bolts to 49 ft. lbs. (68 Nm).
  9. Apply a small amount of gasket sealant to the corners of the front camshaft caps and the top of the rear camshaft cover-to-cylinder head seal.
  10. Install the valve cover using a new gasket
  11. Align the timing marks on the camshaft gears.
  12. Align the mark on the crankshaft gear with the notch at the bottom of the rear timing belt cover.
  13. Install the timing belt and rotate the water pump clockwise to apply tension to the timing belt.
  14. Tighten the water pump bolts to 89 inch lbs. (10 Nm).
  15. Adjust the timing belt tension.
  16. Install or connect the following:
    • Spark plug wires
    • Upper and lower timing belt coversCrankshaft pulley. Tighten the bolt to 70 ft. lbs. (95 Nm), plus an additional 30°, then another 15°.
    • Accessory drive belt
    • Air cleaner housing
    • Radiator hoses
    • Front splash shield
    • Right front wheel
    • Coolant temperature sensor
    • Fuel feed line from fuel rail
    • IAT sensor
    • Intake manifold pressure sensor
    • DIS coil connector
    • Fuel injector connectors
    • ECM ground terminal
    • Negative battery cable
  17. Fill the engine with oil and coolant.
  18. Start the engine and check for leak0900c1528009e8b5.jpg

Apr 02, 2010 | 2005 Chevrolet Aveo

1 Answer

What are the torque specifications for the heads on sporster


You didn't say what year model. Sometimes the heading at the top of these postings are not correct.

For an Evo Sportster, the head bolts must be torqued in a particular sequence. The head bolts are labeled #1, 2, 3, & 4 in the drawings, not literally. The front head bolts are numbered differently from the rear as well.

You torque the bolts in three steps. The first step, you torque the bolts to 7-9 foot pounds. Then you torque them to 12-14 foot pounds. And finally, you mark each bolt and pull it down an additional 1/4 turn. You must torque the bolts in the following sequence.

On the front head, the #1 bolt is the front bolt on the left side of the cylinder head, then the #2 bolt is the left rear bolt, #3 bolt is the right front, and #4 bolt is the right rear as viewed from the top of the head.

On the rear head, the #1 bolt is the bolt at the left rear, #2 bolt is the bolt at left front, #3 bolt is the bolt at right rear, and #4 bolt is the bolt at right front as viewed from the top.

Do not forget to put the O-rings on the dowels when you put the head gasket on and oil the threads of the studs. Make sure you put a new cylinder base gasket on the bottom of each cylinder as well. Once the torque has been taken off the cylinders, the base gaskets will leak unless they are replaced.

On an Ironhead, the head torque is 60-70 foot pounds tightened in a criss-crossed pattern.

Jan 28, 2010 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

Specs on torquing head bolts on 1988 pontiac lemans aka daewoo lemans aka passport optima. also do i need gasket sealer anywhere or gaskets only when doing a head job on this car?


firstly tighten in sequence to 20Nm all round, then tighten to 30Nm all round,then tighten 90 degrees all round, and finally tighten a further 90 degrees all round. if you taken head off you should replace gasket or just use gasket sealer if you cant replace, just replace the head bolts, dont reuse or they may break

Jul 24, 2009 | 1988 Pontiac LeMans

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