GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Chevrolet W-Series Commercial W4 (W3500/W4500) 🢒 Transmission 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Low and Reverse Band Servo Assembly Installation

    Object Number: 40606 Size: SH
  1. Install the low and reverse accumulator piston spring (74) into the transmission case..

    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.

  2. Install the low and reverse band servo assembly (64-73).

    3. Object Number: 40607 Size: SH
  3. Install the low and reverse band servo cover gasket (63).
  4. Install the low and reverse band servo cover (62).

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the 6 low and reverse band servo cover bolts (61).

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