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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1829 (Automatic Transmission - 5AT - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Accumulator Valve Body Assembly Overhaul >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Accumulator Valve Body & Components Removed
    GM1205909Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not hold the solenoid valve connector in order to remove or install a solenoid valve. Hold the solenoid valve body. Damage to the solenoid valve may result if the solenoid valve is removed by the connector.
  1. Remove the following components from the accumulator valve body (458):
    • 4 solenoid valve bolts (467)
    • B shift solenoid valve (470)
    • TCC solenoid valve (468)
    • A Shift solenoid valve (466)
    • C Shift solenoid valve (465)
    2. Fig 2: 4th Clutch Accumulator Valve Body & Components Removed
    GM1205908Courtesy of GENERAL MOTORS CORP.
    CAUTION: When you use compressed air in order to clear fluid passages and to dry parts, always aim the air pressure away from face and eyes. Always wear adequate eye protection in order to avoid injury from dirt and debris that may adhere to parts.
  2. Remove the following components from the accumulator valve body (458):
    • 4th clutch accumulator spring cover retaining ring (463)
    • 4th clutch accumulator spring cover (462)
    • 4th clutch accumulator piston spring (461)
    • 4th clutch accumulator piston (460)
    • 4th clutch accumulator piston outer O-ring seal (459)
  3. Remove the following components from the accumulator valve body (458):
    • 5th clutch accumulator piston retaining ring (452)
    • 5th clutch accumulator piston (454) with outer and inner O-ring seals (453, 455)
    • 5th clutch accumulator piston inner spring (456)
    • 5th clutch accumulator piston outer spring (457)
  4. Remove the following components from the accumulator valve body (458):
    • 2nd clutch accumulator piston retaining ring (493)
    • 2nd clutch accumulator piston (491) with O-ring seal (492)
    • 2nd clutch accumulator piston spring (490)
  5. Remove the following components from the accumulator valve body (458):
    • 1st clutch accumulator piston retaining ring (489)
    • 1st clutch accumulator piston (487) with outer and inner O-ring seals (488, 486)
    • 1st clutch accumulator piston inner spring (485)
    • 1st clutch accumulator piston return spring (484)
    6. Fig 3: Coast Accumulator Valve Body & Components Removed
    GM1358320Courtesy of GENERAL MOTORS CORP.
  6. Remove the following components from the accumulator valve body (458):
    • Coast clutch accumulator valve spring retainer (472)
    • Coast clutch accumulator valve spring (473)
    • Coast clutch accumulator valve (474)
  7. Clean all parts thoroughly and dry them with compressed air. Blow out all passages.
  8. Inspect the accumulator valve body for scoring and damage.
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