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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 >> Fluid Pressure High or Low

Fluid Pressure High or Low

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Fluid Pressure High or Low

Checks Causes
Torque Converter Housing with Fluid Pump Assembly (2)
  • Inspect for worn, sticking, or damaged pressure regulator valve (233).
  • Inspect for worn, sticking, or damaged pressure regulator valve outer spring (234).
  • Inspect for worn, sticking, or damaged pressure regulator valve inner spring (235).
  • Inspect for worn, sticking, or damaged isolator valve (236) and sleeve (237).
  • Inspect for worn, sticking, or damaged pressure relief ball valve (225).
  • Inspect for worn, sticking, or damaged pressure relief ball valve spring (224).
  • Inspect for damaged or porous pump cover assembly (219). Inspect for pump surfaces not flat.
  • Inspect for excessive fluid pump rotor (217) clearance or damage. Ensure proper selective rotor is being utilized.
  • Inspect for damaged fluid pump slide (212). Ensure proper selective slide is being utilized.
  • Inspect for worn, sticking, or damaged fluid pump slide outer spring (211).
  • Inspect for worn or damaged fluid pump slide seal (213), seal support (214), pivot pin (215), fluid seal ring (209), and O-ring seal (210).
  • Inspect for worn or damaged fluid pump vane rings (207) and rotor guide (208).
Control Valve Upper Body Assembly (321)
  • Inspect for worn, sticking, or damaged actuator feed limit valve (325) and spring (324).
  • Inspect for worn, sticking, or damaged clutch boost valve (329) and spring (330).
Fluid Filter Assembly (26)
  • Inspect for damaged or restricted fluid filter assembly (26).
  • Inspect for damaged fluid filter seal assembly (25).