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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0977) >> DTC P0736 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. 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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