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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 352 (Automatic Transmission - 2ML70 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control Valve Upper Body Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Control Valve Channel Plate
    GM2063173Courtesy of GENERAL MOTORS CORP.
  1. Install the fluid pump ball check valve (3) to the control valve upper body assembly (4).
    2. CAUTION:

    Do not use the old spacer plate. Install a NEW spacer plate. Reusing an old spacer plate may cause internal transmission leaks and transmission damage.

  2. Install the control valve body spacer plate with gasket assembly (2).
  3. Install the control valve channel plate (1).
    4. Fig 2: Control Valve Channel Plate Bolts
    GM2063170Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Do not tighten the bolts at this time.

  4. Install by hand the control valve channel plate bolts (1).
    5. Fig 3: Control Valve Body Bolts And Shift Shaft Position Switch Bracket
    GM2063166Courtesy of GENERAL MOTORS CORP.
  5. Install the automatic transmission shift shaft position switch bracket (2).
    6. NOTE:

    Do not tighten the bolts at this time.

  6. Install by hand the control valve body bolts (1).
    7. Fig 4: Control Valve Body Bolt Tightening Sequence
    GM2063171Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required sequencing may result in transmission malfunction.

    CAUTION:

    Refer to Fastener Caution .

  7. Torque the control valve channel plate bolts following the specified sequence.

    Tighten 

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

    8. Fig 5: Control Valve Body Bolt Tightening Sequence
    GM2063168Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required sequencing may result in transmission malfunction.

  8. Torque the control valve body bolts following the specified sequence.

    Tighten 

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

    9. Fig 6: Fluid Pump Seals, Seal Assembly, Body, Body Bolts And Shift Detent Spring
    GM2066382Courtesy of GENERAL MOTORS CORP.
  9. Install NEW fluid pump seals (6).
  10. Install a NEW control valve upper body seal assembly (1).
  11. Install the control valve upper body (2).
    12. CAUTION:

    Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required sequencing may result in transmission malfunction.

  12. Install the control valve upper body bolts (3).

    Tighten 

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

  13. Install the manual shift detent spring (5).
  14. Install the manual shift detent spring bolt (4).
  15. Install the control solenoid valve and transmission control module assembly. Refer to Control Solenoid Valve and Transmission Control Module Assembly Replacement .
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