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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Overhaul >> Repair Instructions >> Low and Reverse Band Servo Assembly Installation

Low and Reverse Band Servo Assembly Installation

  1. Install the low and reverse accumulator piston spring (74) into the transmission case.
    Fig 1: View Of Low And Reverse Accumulator Piston Spring
    GM40606Courtesy of GENERAL MOTORS CORP.
  2. IMPORTANT: The low and reverse band servo assembly (64-73) is pushed down when tightening the cover bolts. Do not force the low and reverse band servo assembly (64-73) into the servo bore.
  3. Install the low and reverse band servo assembly (64-73).
  4. Install the low and reverse band servo cover gasket (63).
  5. Install the low and reverse band servo cover (62).
    Fig 2: Installing Low And Reverse Band Servo Cover
    GM40607Courtesy of GENERAL MOTORS CORP.
  6. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  7. Install the 6 low and reverse band servo cover bolts (61).

    Tighten:  Tighten the bolts to 24 N.m (18 lb ft) in an alternating pattern.