Oil Pump: Reassembly
WARNING: This page does not describe the selected car, but rather 124 other vehicles, including the 1991 Chevrolet Pickup, 1991 Chevrolet Cab & Chassis, 1988 GMC Vandura Special, 1988 GMC Vandura, and 1988 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
- When installing front unit thrust washer, ensure it is proper thickness as determined at disassembly. See FRONT UNIT END PLAY CHECK in TRANSMISSION DISASSEMBLY . To reassemble remaining components, reverse disassembly procedure. Leave pump cover bolts one turn loose.
- Install Alignment Band (J-21368) to align cover and body. Tighten attaching bolts and remove alignment band. Install new square-cut "O" ring on pump. Install new pump oil seal on front of pump using Oil Seal Installer (J-21359).