Question about 1997 Buick LeSabre
These cars have issues with coolent getting into the intake... headgaskets are not one of the issues . check plugs for coolent. upper plastic intake has coolent flow in to chambers if u will, and over time they get micro cracks and brittle ...lower intake manifold gaskets are plastic also. ..cyl. heads are cast iron not alluminum . lower intake manifold is alluminum and upper intake is plastic .. on my lesabre a plastic 90 degree elbow connected to the lower intake manifold to the heater hose housing. the belt tensioner is connected to this housing im refering to. not saying for sure, but if it is this is usually why...
Posted on Jun 28, 2009
Blown head gasket , should smell sweet which is anti-freeze in cyl.nothing to do with fuel pump.
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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