Oil Pump Assemble
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.
- Install the O-ring (6) onto the oil pump body (4).
- Position the oil pump body (4) on the work table so that the oil pump body hub is facing down.
- Lubricate the oil pump drive gear (2) and driven gear (3).
- Align the drive gear (2) and driven gear (3) with the oil pump so that the punch marks are in the same position as when they were originally removed.
- Install the gears into the oil pump body (4).
- Align the locating pin holes in the wear plate (1) with the locating pins (5) in the oil pump body. Ensure the bolt holes in the pump wear plate (1) align with the bolt holes on the oil pump body (4).
- Install the wear plate (1) onto the locating pins (5) and the oil pump body (4).
NOTE:
When the drive gear and driven gear are installed into the oil pump, the gears must be installed in their original orientation by having their punch marks in the same position as when they were originally removed. Failure to install the drive and driven gears in their original orientation may damage the transmission.