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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 4T65-E - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Driven Sprocket Support Components Inspection

Driven Sprocket Support Components Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Driven Sprocket Support Components
    GM1818445Courtesy of GENERAL MOTORS CORP.
  1. Inspect the driven sprocket support assembly (609) for the following:
    • Rolled or cut second clutch housing oil seal ring seals (613)
    • Damage to the piston seal surface in the driven sprocket support assembly
    • Blocked or porous oil passages in the driven sprocket support assembly
    • A leaking or missing cup plug
  2. Inspect the fourth clutch piston (603) for damage.
  3. Inspect the thrust washer (611) from the second clutch housing for cracks or distortion.
  4. Inspect the fourth clutch spring assembly (602) for distorted or missing springs.
  5. Inspect the driven sprocket bearing assembly for foreign material and missing, flat, or damaged rollers.
  6. Replace the Teflon® seal rings (613) under the following conditions:
    • The rings are cut or damaged
    • You are performing a complete overhaul
  7. Inspect all seal ring grooves for debris, burrs, or damage.