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Nigel Tufnel Wannabe
 
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Join Date: Sep 2011
Location: Channahon, Il
Posts: 216
Balance Shaft Cover Torque Issue

Had a question about torquing of the balance shaft covers. I have a 3/8" digital torque wrench which worked well on the larger bolts/nuts on the girdle.

The first torque setting of 11 FT Lbs was no problem, using the digital wrench. The second setting of 22 Ft Lbs is the issue. I was not able to get to 22 Ft Lbs. One of the bolts (original),actually stretched a little and I might have made it to 16 Ft Lbs or so. I tossed that bolt and replaced it with a new one but I seem to have the same issue (unable to reach 22 Ft Lbs)...I stopped before stretching that bolt. The last thing I want to do is break a bolt.

I tried a mechanical torque wrench and had a similar result.


Any suggestions?

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1986 Porsche 944 Turbo, Sapphire Metallic. Nice restoration. I'm done spending $$$$ on this car. Ha,ha...it'll never end!
Old 06-06-2013, 08:42 PM
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22 ft lbs sounds high. Where did you get this value?
Old 06-07-2013, 07:05 AM
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Nigel Tufnel Wannabe
 
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Haynes manual. 1st torque on the 6mm bolts is 11 Ft LBS, second setting 22 Ft Lbs. I didn't check the factory manual recently but I recall that the values in Haynes matched the factory manual.
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1986 Porsche 944 Turbo, Sapphire Metallic. Nice restoration. I'm done spending $$$$ on this car. Ha,ha...it'll never end!
Old 06-07-2013, 07:14 AM
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Clark's Garage showing 7 ft-lb for M6 and 14 ft-lb for M8. I don't have the factory manuals available.
Old 06-07-2013, 07:27 AM
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Nigel Tufnel Wannabe
 
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Thanks for the info! I am going to spend some more time on Clark's garage to make sure that I don't mess this rebuild up.
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1986 Porsche 944 Turbo, Sapphire Metallic. Nice restoration. I'm done spending $$$$ on this car. Ha,ha...it'll never end!
Old 06-07-2013, 08:39 AM
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I used the torque values from Clark's and had no problems at all, I was able to pull the advertised torque values without problem.

Old 06-07-2013, 03:25 PM
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