BHG? - 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 10-25-2006, 06:44 PM   #1
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This 93 buick that i have has white smoke coming out from the exhaust. This is a sign of BHG right?
On a side note i have smoke coming out by the rear valve cover too. Could this be a leaking valve cover?
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Old 10-25-2006, 06:50 PM   #2
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What motor? If it'* a 3800, BHG is a very remote possibility if at all.

LIM gaskets are more likely. With 6800 members here, I have yet to see a single case of HG failure.
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Old 10-25-2006, 06:55 PM   #3
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Quote:
Originally Posted by willwren
What motor? If it'* a 3800, BHG is a very remote possibility if at all.

LIM gaskets are more likely. With 6800 members here, I have yet to see a single case of HG failure.
I have seen a HG failure here on BC, but it failed because the LIM gasket had and they ran the engine hot for a long time.
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Old 10-25-2006, 07:30 PM   #4
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LIM meaning lower intake manifold? Its a 3800. And as far as i know it is running fine, just a little clicky noises from possibly the valves.
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