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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear

Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear

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Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear

Checks Causes
1-2-3-4 and 3-5-R Clutch Assembly (51)
  • Inspect for damaged or worn 3-5-R clutch plates (402-404).
  • Inspect for damaged 3-5-R clutch piston (421), apply ring (405), and spring (420).
  • Inspect for cut, worn, or damaged 3-5-R clutch piston dam O-ring seal (418), inner seal (419), and outer seal (422).
  • Inspect for improper selective 3-5-R clutch backing plate retaining ring (400).
  • Inspect for damaged 3-5-R clutch backing plate (401). Inspect for worn splines on the backing plate.