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Old 07-29-2012, 02:10 PM   #4
j cAT
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Re: UIM crack...GM techs...

Quote:
Originally Posted by jeffcoslacker View Post
I did the LIM last year but I was incredibly particular about cleaning gasket surfaces, straight-edging, and torque and sequence...still there it is....I musta done something wrong...

when torquing any bolts there is wet torque and dry torque. with oil on the threads this would then be wet torque which would apply a higher torque then dry. so if it is stated not to use any lube on the threads and oil was on the threads this would occur.

with metals like this a 3 pass torquing is best where you at each pass slightly increase the torque at each sequence .

sure you did not mess up with ft lbs and inch lbs ? the torque with this is quite low.

start at the middle and criss cross to the ends is the usual method.
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