GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Regal
🢒
Engine
🢒
Engine Mechanical - 3.8L
🢒 Oil Filter Adapter Removal
Remove the oil filter adapter bolts from the engine front cover.
Remove the oil filter adapter.
Remove the oil filter adapter gasket.
Remove the oil pressure relief valve.
Remove the oil pressure relief valve spring.