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Old 04-30-2016, 10:31 AM   #2
68gmsee
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Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
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Re: 1986 K10 Engine Noise - Help Needed! What could it be?

Sounds like a dry bearing to me. Most likely the water pump.
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68 GMC 250/3 speed Saginaw p/b p/s
69 Chevy 350/350 currently in pieces still lookin for a cab
06 Trailblazer
I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive...
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