LIM problem? - Page 2 - 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 02-12-2007, 01:53 PM   #11

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It is still possible to get oil wicking up and sitting in the valley of the lower intake. Mines doing

Burning off the engine is typically oil, because the valve covers are directly over the exhaust manifolds. Seepage of coolant out the ends or on the LIM would usually not burn...more like a simmering.

Easy way to check your valve covers is use a papertowel or finger to wipe directly under the rear valvecover and observe. Wet/oily would indicate bad gasket. Front'* are visible.
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