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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Fluid Pressure High or Low

Fluid Pressure High or Low

Checks Causes
Automatic Transmission Fluid Pump Assembly201
  • Inspect for loose fluid pump bolts (200, 211, and 312).
  • Inspect for leaking or damaged: fluid pump gasket (313).
  • Inspect for leaking or damaged: fluid pump seal (314).
  • Inspect for leaking or damaged: oil filter seal (202).
  • Inspect for improperly installed, restricted or damaged oil filter (203).
  • Inspect for leaking automatic transmission fluid pump ball check ball (324).
  • Inspect for worn, sticking or damaged pressure regulator valve (319) or pressure regulator valve spring (318).
  • Inspect for damaged or restricted oil ports in the oil pump body (315) or drive sprocket support assembly (339).
  • • Inspect for internal damage to front pump (315).