Question about 2003 Pontiac Bonneville
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Posted on Jan 02, 2017
The oil pressure sending unit is located behind the oil filter, Threaded into an aluminunm housing. It has wiring that plugs into the sending unit. The oil filter has to be removed and you will need a deep well socket and a 6 inch extension. Change the oil and the sending unit together.
Posted on Feb 02, 2009
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