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#1
12-06-2004, 10:41 AM
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92 SLT Sounds Bad
Suddenly my 92 Yukon engine sounds like it is knocking even after warmup. Before my last oil change I began to notice this slightly and put some lifter additve in the new oil - seemed to take care of it. Now about a month and a half later it is back and starting to sound worse.
Any ideas; headers, lifters etc? Thanks 
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#2
12-11-2004, 08:12 PM
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92 SLT Woes
Well, found out what was causing the knocking and it wasn't piston slap. The freakin crankshaft pulley had major play in it; wobbles from side to side! Damn, looks like I'm into a new engine. Oh well, I did pick the rig up for a decent price and the body and interior are in good shape. A couple grand for a new motor and it'll be almost like a new truck.
Anyone else ever seen a crankshaft just take a crap like this? I guess that's what I can expect from a GM product.  
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