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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - VT40 (MRG) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Whine Noise Varying with RPM or Fluid Pressure

Whine Noise Varying with RPM or Fluid Pressure

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Checks Action
Transmission fluid pump assembly (104) Inspect the component for air ingestion or damage - causing low or no pressure at the discharge port. Repair or replace the transmission fluid pump assembly (104). Automatic Transmission Fluid Pump Removal , or Transmission Fluid Pump Disassemble
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