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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Accumulator Housing Replacement >> Installation Procedure

Installation Procedure

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  1. Install the J 25025  into the control valve body bolt hole where the manual shaft detent roller and spring assembly is mounted.
  2. Install the control valve body gasket (2) onto the accumulator housing (1).
  3. Install the control valve body spacer plate (3) onto the valve body gasket (2).
    Fig 1: Installing Control Valve Body Gasket & Spacer Plate
    G02424517Courtesy of GENERAL MOTORS CORP.
  4. Install the third and fourth clutch accumulator housing gasket (3).
  5. Install the third clutch accumulator piston spring (1). This spring is the longer of the two springs.
  6. Install the fourth clutch accumulator piston spring (4).
  7. Install the third and fourth clutch accumulator housing assembly (5) onto the control valve body assembly (2).
  8. Install the six accumulator housing bolts (6). Start the bolts finger tight and work towards the opposite end.
    Fig 2: Installing Third & Fourth Clutch Accumulator & Components
    G02424518Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to FASTENER NOTICE .
  9. Tighten the accumulator housing bolts sequentially.

    Tighten 

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

  10. Remove the J 25025  .
  11. Install the control valve body assembly. Refer to Valve Body and Pressure Switch Replacement .
  12. Lower the vehicle.
  13. Fill the transmission to the proper level with Dexron® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
    Fig 3: Tightening Accumulator Housing Bolts In Sequence
    G02424519Courtesy of GENERAL MOTORS CORP.