Fluid Pump Assemble

Tools Required: 

J 35582  Oil Pump Seal Installer. See Special Tools .

Fig 1: Installing Fluid Pump Seal Assembly
Courtesy of GENERAL MOTORS CORP.
1. Apply automatic transmission fluid to the inner fluid pump seal surface of the fluid pump body.
2. Using J 35582  , install a new fluid pump seal assembly (200). See Special Tools . The seal end should be flush with the outer edge of the fluid pump body.
Fig 2: View Of Fluid Pump Drive & Driven Gears
Courtesy of GENERAL MOTORS CORP.
3. Apply automatic transmission fluid to the surface of the fluid pump body.
IMPORTANT: The index mark (dot) on the fluid pump drive gear (205) is installed down, (see insert). The index mark (dot) on the fluid pump driven gear (204) is installed up.
4. Install the fluid pump drive gear (205) and the fluid pump driven gear (204) to the fluid pump body (202).
Fig 3: Aligning Fluid Pump Plate
Courtesy of GENERAL MOTORS CORP.
5. Apply automatic transmission fluid to the new fluid pump O-ring seal (206).
6. Install the new fluid pump O-ring seal (206) onto the fluid pump body (202).
IMPORTANT: Be sure to align the holes properly when installing the fluid pump plate (207).
7. Align the fluid pump plate (207) holes with the alignment pins (203) in the fluid pump body (202).
Fig 4: View Of Fluid Pump Stator Shaft Assembly & Fluid Pump Plate
Courtesy of GENERAL MOTORS CORP.
8. Align the fluid pump stator shaft assembly (208) with each bolt hole of the fluid pump plate (207).
9. Install, and hand tighten, 12 of the 13 - M6 x 1.0 x 14.5 mm fluid pump cover bolts (231) and 1 - M5 x 0.8 x 17 mm fluid pump cover bolt (232).
Fig 5: Installing Fluid Pump Cover Bolts
Courtesy of GENERAL MOTORS CORP.
10. Leave out the remaining M6 x 1.0 x 14.5 mm fluid pump cover bolt (231) from the hole indicated by the arrow in the graphic. Set the bolt aside to be installed later.
NOTE: Refer to Fastener Notice in Cautions and Notices.
11. Tighten the fluid pump cover bolts in sequence.

    Tighten: 

    • Tighten the 12 - M6 x 1.0 x 14.5 mm fluid pump cover bolts (231) to 12 N.m (106 lb in).
    • Tighten the 1 - M5 x 0.8 x 17 mm fluid pump cover bolt (232) to 7 N.m (62 lb in).

Fig 6: Inspecting Fluid Pump Gears For Smooth Rotation
Courtesy of GENERAL MOTORS CORP.
12. Inspect the fluid pump gears for rotating smoothly.
    1. Install the fluid pump assembly on the torque converter.
    2. Rotate the body of the fluid pump assembly.
    3. Ensure the fluid pump seal was not damaged.