sounds like a diesel - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-26-2005, 12:53 AM   #1
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Default sounds like a diesel

I'm working with a 93 / 3800 / series 1 . Problem I'm having is a dieseling sound coming from the waterpump side of the engine. I pulled the belt and started the engine ( still there ) so I know it isn't a belt driven acc. Anybody else come across this problem??? by the way the motor has over 180,000 miles on it..
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Old 04-26-2005, 02:39 AM   #2
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Check the harmonic balancer/crank pulley. Sounds like the rubber dampener gave up. You'll see cracks in the rubber backing.
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