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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1992 (Automatic Transmission - 2MT70 - DTC P0218 To DTC P0963) >> DTC P079C >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the Line Pressure Check .
  2. Perform the Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test .
    • If a concern is found, replace the control solenoid (w/body and TCM) valve assembly.
  3. Inspect the aux fluid pump cutoff valve and the fluid pump cutoff valve for possible sticking or damage.
    • If you found a concern with the aux fluid pump cutoff valve or the fluid pump cutoff valve, repair the concern.
  4. Inspect the valve body and hydraulic circuits for a leak or a stuck valve.
    • If you found a concern in the valve body, repair or replace the valve or valve body.
  5. Inspect the 4th clutch assembly for a slipping or damaged condition.
    • If you found a 4th clutch assembly concern, repair or replace the low and reverse clutch assembly as necessary.