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Home >> Dodge and Ram >> 2023 >> Durango GT, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 8HP50/850RE Automatic Transmission (Service Information) >> Pump, Transmission Oil >> Installation

Pump, Transmission Oil: Installation

GC0209084Courtesy of CHRYSLER GROUP, LLC
  1. Install the drive sprocket, chain and pump body (1) as an assembly into the oil pump housing.
    GC0209083Courtesy of CHRYSLER GROUP, LLC
  2. Set the pump cover (1) onto the oil pump housing (2).
    GC0209104Courtesy of CHRYSLER GROUP, LLC
  3. Install the NEW  transmission oil pump housing to cover bolts an tighten to the proper specifications. Refer to TORQUE SPECIFICATIONS  .
    GC0209103Courtesy of CHRYSLER GROUP, LLC
  4. Install the piston plate and the piston retainer.
    GC0209105Courtesy of CHRYSLER GROUP, LLC
  5. Position the oil pump housing assembly (4) in a suitable arbor press.
  6. Using the (special tool #8285, Compressor, Spring) (1), press on the fingers of the piston retainer and install the two halves of the retaining ring (2).
    GC0209106Courtesy of CHRYSLER GROUP, LLC
  7. Install the hub (3).
  8. Install the clutches and spacers (4).
  9. Install the snap ring (2).
  10. Install the outer ring (1) (inside B-piston).
  11. Install the B-piston.
    NOTE:

    Firmly press the oil pump in place by hand before drawing it in with bolts.

    GC0209142Courtesy of CHRYSLER GROUP, LLC
  12. Install the 13 NEW  oil pump cover retaining bolts (2) and tighten the oil pump cover as follows:
    1. In order to seat the oil pump cover properly, pre tighten bolts one, seven and nine to 6 N.m (53 in. lb.).
    2. Working in a clockwise pattern, beginning with number one, tighten to 10 N.m (89 in. lb.).
    3. Working in a clockwise pattern, beginning with number one, tighten an additional 90°.
    GC0209141Courtesy of CHRYSLER GROUP, LLC
  13. Install the NEW  input shaft O-ring (1).
  14. Install the valve body. Refer to VALVE BODY, INSTALLATION .
  15. Install the transmission. Refer to INSTALLATION .