Question about 1991 Honda Prelude

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Head bolts torque settings

Headbolt torque

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mironate
  • 19 Answers

SOURCE: torque settings

  1. Tighten the cylinder head bolts sequentially in three steps. NOTE: Perform each step twice. 1st step torque: 39 Nm (4.0 kgf-m, 29 ft. lbs.) 2nd step torque: 69 Nm (7.0 kgf-m, 51 ft. lbs.) 3rd step torque: 98.1 Nm (10.0 kgf-m, 72.3 ft. lbs.) Use a beam-type torque wrench. When using a preset-type torque wrench, be sure to tighten slowly and not to overtighten. If a bolt makes any noise while you are torquing it, loosen the bolt, and retighten it from the first step.

Posted on Aug 06, 2008

SOURCE: need torque settings for honda ballade cylinder

dear friend-your torque setting is cold 66 nm

Posted on Jul 23, 2009

bolinlamar
  • 157 Answers

SOURCE: cylinder head bolt torque

Torque all headbolts to 29 ft lbs with a good and accurate torque wrench, then tighten them further in two steps 90 Degrees per step. But if you've replaced the head bolts with new ones tighten them and additional 90 Degrees.

Posted on Aug 20, 2009

  • 12 Answers

SOURCE: head bolt torque specs for 200 honda accord 3.0

its a three step process 1st 29ft/lbs 2nd 51ft/lbs 3rd 72.3ft/lbs

Posted on Apr 25, 2010

  • 184 Answers

SOURCE: I have a 1998 Holden

I cannot find a EL20B in my data,but all Astra listed had the same head sequence as shown:

10 6 2 3 7

9 5 1 4 8

the torque specs for the C20XE,C20NE,X20XEV were all
25nm(18lb/ft),-then 90 deg,-90deg,-90deg.
Z20LET were as above plus an additional 15deg.
Same data for smaller and larger engines(except a couple that were 45deg instead of 15)
Make sure that you replace the head bolts with new,they are torque to yield bolts that are designed to stretch to 'plastic' state,and should not be reused.
Put grease(graphite if you have it) under bolt heads and washers,oil the threads.
Usually the head sets come with the torque specs.
I hope this helps you.

Posted on Apr 02, 2011

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1 Answer

Have changed cylinder head gasket and need the torque settings for the zd30 nissan engine


try this head torgue link.. that wont highlight

http://www.cylinderheadsaustralia.com.au/torque-settings

the ZD30 is listed half way down the list
and picture of tension sequence

HEAD BOLT TIGHTENING SEQUENCE.
• STEP ONE: 102Nm
• STEP TWO: Loosen All Bolts.
• STEP THREE: 44Nm
• STEP FOUR: +90*
• STEP FIVE: +90*
• IMPORTANT: ALL BOLT THREADS, BOLTHEADS AND WASHERS MUST BE LIGHTLY OILED.
• USING AN OLD HEADBOLT WITH GROOVE CUT DOWN THREAD, CLEAN THE BLOCK HEADBOLT THREADS.




why are these torque setting and sequence
numbers no longer on the VRS head gasket packaging

Oct 28, 2016 | Nissan Cars & Trucks

1 Answer

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.

Sep 03, 2014 | 2005 Chevrolet Aveo

1 Answer

Need head bolts tourqe sequence for a 89 tercel


1989 L4 headbolt sequence:
Cylinder Head Bolt Torque Sequence809142031993 L4 headbolt sequence:
Cylinder Head Bolt Torque Sequence80914199they appear to be the same,other than the torque angle. good luck!

Oct 20, 2011 | 1993 Toyota Tercel

1 Answer

I need head bolt torque specs


Hello, you will start from middle head bolts and work out to end bolts. Use a crisscross pattern. Set all bolts at 20 ft pounds then repeat to a final setting of 51 -54 ft pounds. Just be sure you do an "x" patern from middle bolts working out. Also be sure you coat th threads of each headbolt with some oil so they torque smooth and accurate.

Apr 04, 2011 | 1999 Daewoo Lanos

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

Hi im a mechanic... I have a 2000 Deville with a northstar. Radiator, waterpump, thermostat, are all changed and good. There are no external leaks. I heard the Northstar motors have problems with there...


What happens is the head gaskets shrink causing the headbolts to loose torgue, and the headbolts are of one time use, whenever you do a headgasket job you will need to replace all the headbolts with new ones. and when ever you remove a cylinder head on any engine you should always chase the bolt holes with the proper tap, then blow out the holes with compressed air, this will help to insure a more accurate torque setting on the new headbolts...

Oct 01, 2009 | 2001 Cadillac DeVille

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.

Apr 24, 2009 | 1995 Subaru Legacy

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.

Feb 12, 2009 | 1999 Chevrolet Malibu

1 Answer

Tightening head


New Headbolts are recommended

Long bolts are torqued to 46'lbs + 90 degrees.

Short bolts are torqued 43'lbs + 90 degrees.

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

Rockers are torqued to 22'lbs.

Dec 21, 2008 | 1999 Chevrolet Cavalier

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