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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1781 (Automatic Transmission Overhaul - 4 Speed-Mu4) >> Repair Instructions >> Underdrive Brake Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the 2 underdrive brake piston seals from the underdrive brake piston.
  2. Clean all the underdrive brake components and dry thoroughly.
  3. Inspect the underdrive brake discs for excessive wear or damage and replace as necessary.
  4. Inspect the underdrive brake piston for cracks or porosity and replace as necessary.
  5. Inspect the underdrive brake piston return spring for distortion or weakness and replace as necessary.