Question about 1988 GMC S-15

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S15 timing cover

Im having a hard time removing the nut (15/16) to pull the pully off. Is it possible these are reverse threads? Also do I have to take the alternator and all the brackets off to remove thi timing cover? Thanks, Mark

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Apparently if you put a socket on it and rest the bar on the chassis, you can flick the key to lossen the bolt, but make sure you disconect the coil first so the engine doesnt fire up, im useing that method tomorrow if i have trouble getting mine off, good luck.

Posted on Jun 15, 2012

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If you are replacing the crank seal you do not have to remove cover,and yes you have to remove alt bracket to remove cover. not reverse thread on crank pulley take a 15/16 boxed wrench and hammer and keep banging.i just did mine this weekend

Posted on Nov 23, 2008

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