Oil Pump Disassemble
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the wear plate (1).
- Note the presence or absence of punch marks on the drive gear and driven gear.
- If not punch-marked, mark the gears so as to be able to reinstall them in their original positions.
- Remove the drive gear (2) and driven gear (3) from the oil pump body (4).
- Remove the O-ring (6).
IMPORTANT:
The oil pump drive gear and driven gear have a punch mark on one side. Before the gears are removed from the oil pump, the presence or absence of the punch marks on the gears must be noted so that the gears can be reinstalled in the original orientation.