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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1048 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0971) >> DTC P0736 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the Line Pressure Check .
  2. Inspect the check ball 5 for possible sticking or damage.
    • If you found a concern with this check ball, repair the concern.
  3. Inspect the shift select valve 3 for sticking or damage.
    • If you found a concern with the shift select valve 3, repair or replace the valve or valve body.
  4. Inspect the low and reverse clutch assembly for wear or damage.
    • If you found a low and reverse clutch assembly concern, repair or replace the low and reverse clutch assembly as necessary.
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