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Head gasket cylinder head torque 1990 geo prizum 1.6l dohc

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  • Geo Master
  • 20,706 Answers

Old posts day... old car , old engine. corolla in sheep skins/
Toy 4aFE engine. that is.
just head bolt torque, no cam caps or other parts on head.
not the squence, you have that, all this and all else is in the mitchells DIY online, why not just log in and read.
the proper question is:
can the be reused, are the TTY, bolts.
is it torque or is it ANGLE
this is the correct question today on all heads. and more.. read it.
not 4A GE ok>? just the FE, i will not do 3 engines. for you or anyone.
quote:

On 1988-92 vehicles, tighten the bolts in 3 stages, in the proper sequence. On the final pass, tighten the bolts to 44 ft. lbs. (60 Nm).
ill do the newer engine after all engine swaps are common
what I do is check engine serial number to be sure what is there for , LOOK then leap. stuff happens

On the 1993-97 vehicles, coat the head bolts with engine oil and tighten them in several passes, in the sequence shown, to 22 ft. lbs. (29 Nm). Mark the front of each bolt with a dab of paint and then retighten the bolts a further 90° turn. The paint dabs should now all be at a 90° angle to the front of the head. Retighten the bolts one more time a further 90° turn. The paint dabs should now all be pointing toward the rear of the head.

log in to mitchells and read all 67 steps. some are KEY.
4AFE..

Posted on Oct 23, 2016

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: head gasket replacement torque specs

Buy a Subaru tech and repair manual $34.95 for 72hrs use I believe it can be downloaded i think around 250MB.. Dave www.techinfo.subaru.com/html/index.jsp

Posted on Aug 08, 2008

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

inspectmycar
  • 233 Answers

SOURCE: 94 mazda B3000 3.0L cylinder head torque specs

Step 1 torque to 59 ft pounds
2. Loosen one full turn
3. 37 ft pounds
4. 68 ft pounds

Use torque sequence below
aca9f77.gif

Posted on Sep 17, 2009

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old post and just answered,
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Quote:





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs).
In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
In sequence, turn each bolt an
additional 90 degrees.





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
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In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
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Cylinder head bolt tightening sequence for isuzu rodeo 1998


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