Question about 1998 GMC Yukon
I need to know the #1 spark plug on a 1998 gmc yukon to get tdc..
V8 engine? That would be drivers side front. Remember that TDC is number one piston up (On the compression stroke, not exhaust stroke), timing marks at zero.
Posted on Jun 05, 2010
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Posted on Jan 02, 2017
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