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Home >> GMC >> 2007 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 892 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Low and Reverse Band Servo Assembly Removal

Low and Reverse Band Servo Assembly Removal

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Low & Reverse Band Servo Cover
    GM28388Courtesy of GENERAL MOTORS CORP.
  1. Remove the low and reverse band servo cover bolts (61).
  2. Remove the low and reverse band servo cover (62).
  3. Remove the low and reverse band servo cover gasket (63).
  4. Inspect the low and reverse band servo cover (62) for damage.
    5. Fig 2: Locating Low & Reverse Accumulator Piston Spring
    GM28389Courtesy of GENERAL MOTORS CORP.
  5. Remove the low and reverse band servo assembly (64-73).
  6. Remove the low and reverse accumulator piston spring (74) from the transmission case.
  7. Inspect the low and reverse band servo transmission case bore for wear and scoring.
  8. Inspect the low and reverse accumulator piston spring (74) for distortion.
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