Category Archives: Oldsmobile

Oldsmobile car repair questions and answers from online dealership mechanics. Ask us in our live chat or post on the car forums.


Oldsmobile PCV Full Of Oil After Intake Gaskets Replaced

Is a wet and oily PCV valve & housing internally a normal condition on the 3800 V6 or is there something wrong? I just replaced intake manifold gaskets along w/ new upper intake plenum (includes new PCV valve + housing), on 1997 Oldsmobile Regency 3.8, due to gasket failure & coolant in cylinders / crankcase.…

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1999 Olds Alero Blower Motor and Security Light

I have a 1999 Oldsmobile Alero. The blower motor does not work. I have replaced the blower motor with a delphi motor and the blower motor resistor 3 times. The blower worked one time and has quit again. ProTech: Are you sure you don’t have a wiring problem somewhere? Where do i start to look…

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Where Is The Coolant Temp Sensor Located?

Where is the Coolant temperature sensor located at on a 1999 Oldsmobile Silhouette? ProTech: It is located on the left side of the front cylinder head on the intake. ok if that is bad will it keep the cooling fans from coming on have replaced the Coolant temperature switch and all 3 relays and the…

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2002 Oldsmobile Alero Marker Lamps Stay On

I need help with LED bulbs on my 2002 Oldsmobile Alero. ProTech: Yes, go ahead. What make and model vehicle do you have? Was this from some sort of conversion kit with instructions? 2002 Oldsmobile Alero. They were the correct size and voltage and there was no conversion. I installed new led blinkers in front and back…

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