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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 >> Regulator Valve Body Assembly Overhaul >> Disassembly Procedure

Disassembly 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: Pressure Regulator Valve Spring Cap Guide & Bolt
    GM1346867Courtesy of GENERAL MOTORS CORP.
    CAUTION: Some valves are under pressure. Cover the bores while removing the retainers and plugs or personal injury could result.
  1. Hold the regulator spring cap (407) in place and remove the pressure regulator valve spring cap guide bolt (416).
  2. Release the spring cap (407) slowly and remove.
  3. Remove the following components:
    • Stator reaction spring (408)
    • Regulator valve outer spring (409)
    • Regulator valve inner spring (410)
    • Regulator pressure valve (415)
    4. Fig 2: 3rd Accumulator Piston Bore Cover Bolts & Components
    GM1203958Courtesy of GENERAL MOTORS CORP.
  4. Remove the 3rd accumulator piston bore cover bolts (417), then remove the following components:
    • 3rd accumulator piston bore cover (418)
    • 3rd clutch accumulator piston return spring (419)
    • 3rd clutch accumulator piston (420)
    • 3rd clutch accumulator piston O-ring (421)
  5. Remove the valve bore plug retainer clip (427), then remove the following components:
    • Valve bore plug (426)
    • TCC lockup control valve return spring (424)
    • TCC lockup control valve spacer (425)
    • TCC lockup control valve (423)
  6. Remove the reverse shift fork shaft (428)
  7. Remove the reverse shift fork shaft seal (429)
  8. Clean all parts thoroughly and then dry the components.
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