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Cylinder head torque for mitsubishi l300 1992 4g62 engine

I am replacing head gasket and dont have torque settings for head

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

junmag
  • 175 Answers

SOURCE: Blown head gasket

i think you are reffering to a 4D56 engine. just type 4D56 workshop manual .pdf download on your browser and you fill find several free downloads. everything you need to overhaul the engine is there

Posted on Jun 02, 2009

c17hydro
  • 2984 Answers

SOURCE: cylinder head torque settings 1990 2.6L isuzu motor

From front to back is this:


7 3 1 5 9



8 4 2 6 10



First torque value is 58 ft lbs.....then final torgue is 72 ft lbs.

Posted on Mar 21, 2009

  • 383 Answers

SOURCE: replacement of a head gasket on 2.5 liter nissan altima 2002

frajogag: First off, be aware that these bolts are "torque to yield" bolts (streach bolts). What this means is that instead of torqueing the head bolts to a specific torque specification, they are torqued down to a set spec and then tightened by rotating the bolts a certain angle, like 90 degrees. and all of them are turned the same amount.
This means that the shanks of the bolts must be checked to make sure they are not too thin (or the bolt has already stretched beyond limits and is prone to snap if used)
Here is how you check the bolts. Measure the bolt using a micrometer, at the base, or within the first 13mm from the end where it threads in. Then go to about 10mm before the threads end heading toward the top of the bolt. There should not be more than a 0.23mm (.0091 inch) or less difference or the bolt should be discarded.
Torque the bolts down to 98.1Nm ( 72.ft lb)
Looking at the head from the side, so you are looking at the full length from side to side, I will number the head bolts in this fashion.
#1 & 2 are directly in front of you and in the center of the cylinder head crossing it width wise.
#3&4 are to the left of #1&2, / #5&6 are to the right of #1&2
#7&8 are to the left of #3&4 / #9$10 are to the right of #5&6
Now, you have the sequence.
After the initial pull, back off all the bolts in the same sequence and then retorque them to 36 Nm ( 28 ft lb)
Using a torque angle wrench or having the ability to accurately judge turning angles. Rotate (clockwise) to a 75 degree angle. do this to all the bolts using the sequence I had provided.
Rotate the bolts (clockwise) 75 degrees again on all bolts in the same sequence. The proceedure is complete!

Posted on Apr 23, 2009

  • 15 Answers

SOURCE: replacement of cylinder head gasket freelander 1800 petrol

DEFINITELY NEW BOLTS.
1ST STAGE 20 NM
2ND STAGE 180 DEGREES
3RD STAGE 180 DEGREES.....JOB DONE.

Posted on Jul 06, 2009

  • 88 Answers

SOURCE: Hi I'm looking for cylinder head torque settings for a 1992 BMW 316/318 e36

BMW cylinder torque setting all models

According to my service manual as follows.

Cyl head to engine block (torx e12 M10 bolts)

Stage 1 30nm (22 ft – lb)
Stage 2 + 90 degrees
Stage 3 + 90 degrees

Cyl head to lower timing chain cover 10nm (89in – lb)

The tightening sequence is from inside to outside crossover as normal. Loosening sequence is from outside to inside crossover. Remember to set torque wrench at low setting and work gradually up through the whole sequence until you get the desired torque.

Posted on Aug 29, 2009

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What is the cylinder head bolt torque settings fir a 4g69 mitsubishi engine ?


BOLT INSTALLATION


Apply engine oil to the thread of the bolts and to the washers.
Tighten the bolts to the specified torque, using the tightening sequence shown.
Tightening torque: 54 ft-lb +/- 2 ft-lb
Loosen all bolts fully in the reverse order of tightening.
Re-tighten the loosened bolts to the specified torque in the tightening sequence shown.
Tightening torque: 15 ft-lb +/- 1 ft-lb
This step is to make it easier to ensure you are making 90 degree turns. Make a paint mark across each bolt head and cylinder head.
Tighten the cylinder head bolts 90 degrees in the specified order.
Tighten the bolts another 90 degrees in the specified order and check that the paint marks on the cylinder head bolts are aligned with the paint marks on the cylinder head.
Link to the guide for this engine: http://www.mivec.co.nz/tech/4G9x_Engine_Manual.pdf



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There is no torque value. Commonly, Head bolts are tightened and then removed in sequence as you step threw 3 values: 23/33/45 ft lbs then the final value is achieved by rotating the bolts 90 degrees so the final value is unknown.

You have to get either a hayes manual or follow a procedure online if you are replacing the head gasket. If you are not replacing the gasket do not "re-torque" the head bolts thinking that you can fix a head gasket leak.

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How to replace head gasket 1998 Lumina


Cylinder Head Removal & Installation 3.1L Engine To Remove:
NOTE: With some minor variations, this procedure can be used on both the left and right cylinder heads.
  1. Raise and safely support the vehicle.
  2. Drain the engine coolant and the engine oil. Lower the vehicle.
  3. Remove the upper and lower intake manifolds.
  4. Remove the rocker arms and pushrods.
  5. Remove the exhaust crossover pipe.
  6. Remove the engine mount strut bracket.
  7. If removing the left side (front) head, remove the dipstick tube.
  8. Tag for identification, then remove the spark plug wires.
  9. Remove the spark plugs.
  10. Remove the exhaust manifold using the procedures found in this section.
  11. Remove the eight cylinder head bolts, then remove the cylinder head. There are locator pins that align the head to the block. Pull upwards on the head to disengage the pins, then remove the cylinder head to a suitable work area.
  12. If the head is be overhauled, remove any remaining components such as the engine lift hook, the fuel line bracket bolts, the engine coolant temperature sensor, etc., as required.
Position a new gasket, install the head, then tighten the bolts in the sequence shown (3.1L engine shown) 93173g43.gif

To Install:
NOTE: If the head gasket failed, determine the cause. Gasket failure is caused by the following conditions: improper installation; overheating due to a failure in the electric cooling fan system or a leak in the cooling system; loose or warped cylinder head; missing, off location or not fully seated locator dowel pins; low torque on the cylinder head bolts; warped block surface; scratched or gouged gasket surfaces; excessive intake manifold torque and even cracked engine block tapped holes.
  1. Clean all parts well. Remove all foreign material to the bare metal. Do not use a motorized wire brush on any gasket sealing surface. It is good practice to use the proper size thread-cutting tap to clean the threaded bolt holes in the block. This helps assure an accurate torque reading.
  2. Place a new head gasket on the clean engine block deck surface. Many gaskets will have some sort of marking denoting TOP or THIS SIDE UP. Make sure the gasket sits flat and is not hung up on the locator dowel pins. Use no sealer on the head gasket.
  3. Carefully set the cylinder head in place, using care not to damage the gasket. Make certain that the head engages the locator dowel pins that properly position the head.
  4. The bolts should be very clean since dirt built-up on the bolt threads makes it difficult to get an accurate torque reading. These are 'torque to yield' bolts which stretch a small amount when tightened; new bolts are always recommended. On a used vehicle, especially a high-mileage vehicle, it may be difficult to determine if the heads have been removed before and how many cycles the bolts have been removed and tightened. New bolts should be part of any cylinder head service. Use GM Sealer #1052080, or equivalent, on the threads of the head bolts and install all eight bolts, finger-tight.
  5. With an accurate torque wrench, tighten the bolts gradually, in sequence, working from the center outwards. Final torque should be 33 ft. lbs. (45 Nm), plus an additional 90 degrees (1/4-turn). A torque angle meter is recommended.
  6. Install the remaining components in the reverse order of the removal process.

Aug 11, 2010 | 1998 Chevrolet Lumina

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What is the torque specs for a 1998 jeep Cherokee classic straight 6 4.0 liter? I am replacing the head gasket and need to find the lbs of torque. Thank you for any advice, pictures, etc.


Torque sequence ------------------ front | 12 8 4 1 5 9 13 | of | | engine | 11 7 3 2 6 10 14 | ------------------ Final torque must be reached in 3 equal steps Step 1: torque all bolts (except bolt 11) to 110 Ft/Lbs Step 2: torque bolt 11 to 100 Ft/Lbs Recheck final torque in sequence.

  1. Disconnect the negative battery cable.
  2. Drain the cooling system.
  3. Disconnect the hoses at the thermostat housing.
  4. Properly relieve the fuel system pressure.
  5. Remove the cylinder head cover.
  6. Loosen the rocker arms.
  7. Remove the pushrods.

The valvetrain components must be replaced in their original positions.
  1. Remove the intake and exhaust manifold from the cylinder head.
  2. Disconnect the spark plug wires and remove the spark plugs.
  3. Disconnect the temperature sending unit wire, ignition coil and bracket assembly from the engine.
  4. Remove the accessory drive belt(s).
  5. Unbolt and set aside the power steering pump and bracket. Do not disconnect the hoses.
  6. Remove the intake and exhaust manifold assembly.
  7. If equipped with A/C, perform the following:
    1. Remove the compressor and position it aside with the lines attached.
    2. Remove the compressor bracket bolts from the cylinder head.
    3. Loosen the through bolt at the bottom of the bracket.

  8. Remove the alternator.
  9. Remove the cylinder head bolts, the cylinder head and gasket from the block.

Bolt No. 14 cannot be removed until the head is moved forward. Pull the bolt out as far as it will go and suspend in place by wrapping with tape.
  1. Discard the gasket. Thoroughly clean the head-to-block mating surface.
  2. Clean and inspect the cylinder head thoroughly. Refer to the engine reconditioning portion outlined later in this section.

To install:
  1. Coat a new head gasket with suitable sealing compound and place it on the block. Most replacement gaskets will have the word TOP stamped on them.

Apply sealing compound only to the cylinder head gasket. Do not allow sealing compound to enter the cylinder bore.

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1 Answer

Blown head gasket


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Need to know cylinder head bolt torque specs


Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. clearpixel.gif clearpixel.gif clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 Ft/Lbs --------- Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.

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