Blown head - 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 02-22-2008, 03:01 PM   #1
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Default Blown head

Hey guys i think i blew a head. anyone know how much the fix would be??? message or post would be great thanks.
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Old 02-22-2008, 03:04 PM   #2
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As most will say, these engines RARELY blow head gaskets. almost never. but they do have the common issue of the failing LIM. i would check there first.
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Old 02-22-2008, 03:20 PM   #3
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Let'* have your symptoms. As much detail as possible.

Moving to 92-99. Please don't post mechanical problems in General Chat. Please don't ask for Private messages on the problem either. The purpose of a Forum is for all to contribute, learn, and read.
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Old 02-22-2008, 03:25 PM   #4
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Not sure what you mean by "I think I blew a head"

Significantly more detail is needed.

Why do you think you blew a head?
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Old 02-22-2008, 04:04 PM   #5
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car dies smoke is coming from the back side of the motor and out of the exhaust, check engine isnt on i dont know if it would of not and its lacking some power
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Old 02-22-2008, 04:11 PM   #6
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As a first troubleshooting step I'd pull the plugs.

Check for coolant and compare the front and the rear plugs.
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Old 02-22-2008, 04:24 PM   #7
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if it were LIM would that cause smoke from the exhaust and cause it to die?
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Old 02-22-2008, 04:26 PM   #8
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Oh yeah..... :(
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Old 02-22-2008, 04:28 PM   #9
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how difficult is it to fix and is it a cheap fix?
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Old 02-22-2008, 04:28 PM   #10
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Check for coolant in the oil, a "millkshake" look on the inderside of the oil fill cap, or draining it all together. If a LIM gasket goes, it can dump a lot of coolant into the engine.
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