Question about Mitsubishi Lancer Evolution

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Mitsubishi evo6 headbolts

I need to know how to tighten and the torque settings for the head bolts on my evo 6

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Hi there, make sure you measure your bolts measure 96.4mm for a 4G93 engine.
Then you must tighten 35Nm-75Nm- slacken completely- 20Nm- 90degrees-90degrees.
No retightening of the head bolts is required as these bolts are tightened in the plastic zone.
Cheers

Posted on Feb 08, 2009

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Cylinder head torque settings


Thread Head bolt torque and sequence
Read the threads, but it states:
According to my manual the removal and the replacement sequence are different. Removal (looking from the cam sprockets )
headbolt 1-3-9-5-7 are on the left and 2-4-10-9-8 are on the right. Remove in that progression.
Instillation 9-5-1-3-7 are on the left and 10-6-2-4-8 are on the right tighten in that order.
Tighten to 25Nm or 18 ft/lb. and retighten the cyl hd blt 70 deg plus 70 deg plus 50 deg using the angular torque guage KM-470-B.
Hope this helps. Might help to make a sketch and label the 5 headbolts on each side.

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How do i know if the cylinder head bolts on my 1990 plymouth colt are torque to yield


They are torque to yield if they require a final extra degree turn (like 90, or 45 degrees) in the headbolt tightening torque values listed in the repair manual.

Nov 19, 2011 | Cars & Trucks

1 Answer

Headbolt torque


step1 tighten all head bolts to 58 ft lbs.

step2 loosen all head bolts one full turn

step 3 tighten all bolts to 18 ft lbs.

step 4 tighten all bolts an additional 90 degrees

step 5 tighten all bolts another 90 degrees

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1 Answer

Torque for head for a 2.5 for an 1985 Buick Skylark


Loosen Headbolts in this order:

1 5 4
3 6 2

Tighten Headbolts in this order:

3 1 6
5 2 4

Following the tightening order, torque Head Bolts as following:

1. Torque All to 22 Ft Lbs
2. Torque all to 51 Ft Lbs
3. Loosen all 180 degrees
4. Loosen all 180 degrees
5. Torque Center Two bolts to 25 Ft Lbs
6. Torque Outer 4 bolts to 11 Ft Lbs
7. Tighten all bolts 90 degrees
8. Tighten all bolts 90 degrees again

Make sure you tighten all of them down the first 90* and then go back and tighten them another 90*. Also make sure you put some lube between the bolt and the washer, and put some sealant on the bolt threads. Use GM Thread Sealant.

Jan 14, 2011 | 1985 Buick Skylark

1 Answer

Cylinder head bolt torque


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May 22, 2009 | 2006 Honda CR-V

1 Answer

Head bolt toqure


Hope this helps, from autozone site. Curt
Application:
Cylinder head bolt torque sequence

Note :
Torque sequence:
---------
front | 3 1 6 |
of | |
vehicle | 5 2 4 |
---------
Step 1: Lightly oil cylinder bolt threads & washers
Step 2: Torque to 22 Ft/Lbs
Step 3: Torque to 51 Ft/Lbs
Step 4: Loosen all bolts 180 degrees
Step 5: Loosen all bolts 180 degrees
Step 6: Torque bolts 1 & 2 to 25 Ft/Lbs
Step 7: Torque bolts 3, 4, 5, 6 to 11 Ft/Lbs
Step 8: Turn all bolts an additional 80 to 90 degrees
Step 9: Turn all bolts an additional 80 to 90 degrees
*** CAUTION ***
engine uses Torque To Yield head bolts (TTY) that
permanently stretch during the initial installation.
New head bolts must be used when cylinder head is
replaced or re-installed to obtain proper Torque.

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1 Answer

Replacing head


There should be 10 headbolts. This vehicle uses torque to yield headbolts and should be replaced with the new gasket. Bolts 1-8 get torqued to 40 ft lbs initially, bolts 9 and 10 get torqued to 30 ft lbs initially, Then all bolts get turned an additional 90 degrees. I would strongly suggest borrowing a torque angle gauge for doing this or you might be doing the same repair next week.

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1 Answer

What to torque head bolts on in 04 jeep grand cherokee 4.0 6cyl.


the 4th bolt back from the front on pasenger side is the #1 head bolt, tighten in a clockwise rotation. it is a 4 step process.torque all bolts to 22 ft lbs...step 2 torque all to 45 ft lbs...step 3 retorque all to 45 ft lbs...4th step torque bolts 1 through 10 to 110 ft lbs... bolt 11 to 100ft lbs then bolts 12 thru 14 at 110 ft lbs

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1 Answer

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New Headbolts are recommended

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Start in the center, and work to the edges, torquing the bolts in two stages.

Rockers are torqued to 22'lbs.

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