1997 Pontiac Grand Am V6 – where is the oil pressure switch and do we need to drain the oil first to replace it?
The oil pressure switch is located in the engine block, above and little to the right of the oil filter. Basically right above the starter motor. You do not need to drain the oil to replace it, although you may have a drip or two come out of the hole when it is removed. You will need a special oil pressure sender socket to remove and install it. Best to also disconnect the battery so you don’t accidentally arc the positive battery starter cable and cause more problems.
REPLY: Is there somewhere I can get a diagram of it’s location?
Sorry, dont have a diagram here. It’s pretty easily found. Did you not understand my description?
Is oil pressure sender on the top or bottom of the engine block?
It would be on the side of the engine block. A little higher and to the right of the oil filter, and just about exactly above the starter. You need to get to it from under the front of the car.
Got it thanks!
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