GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Avalanche - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Low and Reverse Band Servo Assembly Assemble

    Object Number: 40602 Size: SH
  1. Install the new low and reverse accumulator piston oil seal rings (67, 69) on the 1-2 accumulator piston (68). Lubricate the low and reverse accumulator piston oil seal rings (67, 69) with DEXRON®VI automatic transmission fluid.

    2. Object Number: 40603 Size: SH
  2. Install the 1-2 accumulator piston spring assembly (88) into the low and reverse band servo piston (65).
  3. Install the 1-2 accumulator piston (68).

    4. Object Number: 40604 Size: SH
  4. Assemble the following items, in order, onto the small diameter end of the correct low and reverse band servo piston pin (73):
    5. 4.1. The low and reverse band servo piston spring retainer (72)
    4.2. The low and reverse band servo piston spring (71)
    4.3. The low and reverse band servo piston spacer (87)
    4.4. The low and reverse band servo piston (65)
  5. Install the low and reverse band servo piston pin retainer ring (64).

    6. Object Number: 40605 Size: SH
  6. Install the new low and reverse band servo piston seal (66). Lubricate the low and reverse band servo piston seal (66) with DEXRON®VI automatic transmission fluid.