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Old 10-21-2005, 08:19 PM
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Dieseldiehard
 
Join Date: Oct 2002
Location: Bay Area No Calif.
Posts: 4,426
Quote:
Originally Posted by 96E300D
Hey Guys,
I've read most of the threads about bolt stretching and what I've come up with is that there was a 3.5mm allowable difference. However more recent publications are using 2mm as a reference. Anyone know for sure? My 96 E300 uses the 102mm and 115mm bolts. A couple of other things on the subject, should the threads on the block be cleaned with a tap and re-lubed before assembly? Also, is $50 a avg. price to have the injectors tested?
Thanks,
Matt
use a long thin brush to clean the threads, not a tap! you don't want to remove metal from the threads.
I blow the recess in the block dry with compressed air then apply lube to the threads on the bolts. I use a brass wire brush on the bolts first if the the threads are dirty. The FSM calls for applying oil to the threads I like to use antisieze or molycoat. I always use new bolts, was never fond of risking a broken stretch bolt.
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