How much slack in GM 4.3L timing chain?
I started working on my 1989 GMC Safari to repair a coolant leak from
the water pump interface to the block. Saw that the original
crankshaft oil seal was leaking a good bit so I removed the timing
cover. On the tension side the chain is pretty tight, but on the
nontension side, I can wiggle about 3/8" of slack. The teeth of the
Written by Blogmaker on April 24th, 2006 with
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