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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (8HP70 Automatic Transmission (Service Information)) >> Pump, Transmission Oil >> Installation

Pump, Transmission Oil: Installation

WARNING: This page is about a different variant/trim than selected.
NOTE:

If oil pump was disassembled, replace all O-rings.

GC0152260Courtesy of CHRYSLER GROUP, LLC
  1. Install the drive sprocket, chain and pump body (1) as an assembly into the oil pump housing.
    GC0152272Courtesy of CHRYSLER GROUP, LLC
  2. Set the pump cover (1) onto the oil pump housing (2).
    GC0157437Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The oil pump bolts under the A-clutch must be replaced.

  3. Install the NEW  six bolts (1) and tighten to 5 N.m (44 in. lbs.) plus 45°.
    GC0152254Courtesy of CHRYSLER GROUP, LLC
  4. Install the piston plate and the piston retainer.
    GC0152251Courtesy of CHRYSLER GROUP, LLC
  5. Position the oil pump housing assembly (4) in a suitable arbor press.
  6. Using (special tool #8285, Compressor, Spring) (1), press on the fingers of the piston retainer and install the two halves of the retaining ring (2).
    GC0152250Courtesy 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.
    GC0154667Courtesy of CHRYSLER GROUP, LLC
    NOTE:

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

  12. Install the 14 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°.
    GC0152105Courtesy 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 .