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Question 944 head bolt torque ft lbs HELP ASAP!!!

Im in the process of torquing mt 87 944 head by my haynes book doesent say. What torque setting should I use does anyone know ???
Old 08-03-2002, 09:50 AM
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Haynes 944 manual page 50.

Yes do the tightening in stages.
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Old 08-03-2002, 11:37 AM
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Torque specs cylinder head

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Haynes 944 manual page 50 no torque specs given. Ive looked at the haynes book page 50 says see text section 6 then that refer to see porsche dealer ...even page 67 samething see porsche dealer.

Does anyone rebuild 944 engines out there ??

Im a aircooled porsche guy this is my first watercooled porsche
Old 08-03-2002, 12:33 PM
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when I get home I will get you the specs out of the factory manuals....(unless someone else beats me to it)

And socal is right tighten it in stages.... 3 stages..

I can't remember the exact torque specs...
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Old 08-03-2002, 12:46 PM
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I believe it goes in 3 stages. The first is 15 ft-lbs in proper order. The second is not a torque but a 90 degree turn of each nut in proper order. The third is another 90 degree turn of each nut in proper order. A light film of oil is applied to stud threads.

Manual says above is from Mod 86, Engine type M44, 05 - 10 Washers must not turn when tightening nuts so says the manual.
Old 08-03-2002, 01:21 PM
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model 87 onward

engine type M44.40

1st stage 20 nm
2nd 90 degree angle
3rd 90 degree angle

Good luck...

and like lawrence said....... lubricate the bolts with oil!
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Old 08-03-2002, 03:25 PM
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Re: Torque specs cylinder head

Quote:
Originally posted by Players
SoCal Driver
SoCal 944 Driver Person

Haynes 944 manual page 50 no torque specs given. Ive looked at the haynes book page 50 says see text section 6 then that refer to see porsche dealer ...even page 67 samething see porsche dealer.

Does anyone rebuild 944 engines out there ??

Im a aircooled porsche guy this is my first watercooled porsche
Haynes 944 manual Page 50:



I have two Hanyes. The newer of the two does have the text as you describe.

I have used this method and torque twice in 17 years with no problem. Newer method has been noted into both manuals.
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Old 08-03-2002, 06:02 PM
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What ae1969 and I wrote came from the Porsche manual, not Haynes. I thought Haynes just made underwear .
Old 08-04-2002, 03:33 AM
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Talking 944 head torque specs

I just want to say thanks everyone for your help.
Old 08-04-2002, 04:57 AM
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Quote:
Originally posted by Lawrence Coppari
What ae1969 and I wrote came from the Porsche manual, not Haynes. I thought Haynes just made underwear .
Some think that this particular manual is what is ocasionally left in Haynes underwear!!!!

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Hugh - So Cal 83 944 Driver Person
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When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 08-04-2002, 06:51 AM
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just to clarify the other posts, there are 2 different methods to torque the nuts. the older method is the one Socal driver has posted the picture of. The newer method is the one Lawrence, and ae1969 describe. it is the preferred method for all 944 engines, early and late. the factory updated the torquing procedure sometime in the last few years to the 15 ft-lbs torque, followed by 2 90deg. angle-of-turns. This second method provides a much more accurate and consistent preload on the head studs. But....either method is acceptable, the angle-of-turn method is preferred.


Mike
Old 08-05-2002, 12:34 PM
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Old 08-05-2002, 12:34 PM
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