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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Control Valve Body Assembly Installation

Control Valve Body Assembly Installation

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

    Fig 1: Identifying TCC Solenoid Valve Screen Assembly
    GM828383Courtesy of GENERAL MOTORS CORP.
    NOTE: Use J 36850 or equivalent during assembly in order to retain checkballs or to lubricate components. Lubricants other than the recommended assembly lube changes the transmission fluid characteristics and causes undesirable shift conditions or filter clogging.
  1. Install the 8 control valve body ball check valves (54) into the case passages.

    Use J 36850  or equivalent in order to hold the control valve body ball check valves in place.

  2. Install the TCC solenoid valve screen assembly (75) into the case.
    3. Fig 2: View Of Manual Valve
    GM1300649Courtesy of GENERAL MOTORS CORP.
  3. Install the manual valve (319) into the control valve assembly.
    4. Fig 3: View Of Manual Valve & Detent Lever
    GM40639Courtesy of GENERAL MOTORS CORP.
  4. Install the J 25025-5  into the transmission case.
  5. Install the control valve body spacer plate gasket (48).
  6. Install the control valve assembly (44). Attach the manual valve (319) to the detent lever (711) while installing the control valve assembly (44).
    7. Fig 4: Locating Transmission Fluid Pressure Manual Valve Position Switch
    GM40640Courtesy of GENERAL MOTORS CORP.
  7. Install the transmission fluid pressure manual valve position switch (40).
  8. Install the transmission fluid pressure manual valve position switch bolts (76) finger tight.
    9. Fig 5: View Of Transmission Fluid Pressure Manual Valve Position Switch Bolts Tightening Sequence
    GM40641Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  9. Tighten the bolts in the order shown.

    Tighten:  Tighten the bolts to 11 N.m (97 lb in).

  10. Remove the J 25025-5  .
    11. Fig 6: Identifying Manual Shift Shaft Detent Spring Assembly & Bolts
    GM54709Courtesy of GENERAL MOTORS CORP.
  11. Install the manual shift shaft detent spring assembly (41) and bolts (35).
  12. Install the 2 wiring harness clamps (33) and bolts (35).
  13. Install the lube oil pipe (39) with the short end into the control valve assembly.
  14. Install the lube oil pipe retainer (37) and the bolt (35).
  15. Install the remaining control valve body assembly bolts (35).
    16. Fig 7: Valve Body Bolt Tightening Sequence
    GM54712Courtesy of GENERAL MOTORS CORP.
    NOTE: Tighten the control valve assembly bolts in a spiral pattern starting from the center. If the bolts are tightened in a random pattern, the valve bores may become distorted, which can inhibit valve operation.
  16. Tighten the control valve body assembly bolts in the order shown.

    Tighten:  Tighten the bolts to 11 N.m (97 lb in).

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