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 🢒 Manual 2-1 Band Servo Assembly Disassemble

    Object Number: 335068 Size: SH
  1. Remove the manual 2-1 band servo piston pin retainer ring (56).
  2. Remove the manual 2-1 band servo piston pin (55).
  3. Remove the manual 2-1 band servo piston seal (57).
  4. Inspect the manual 2-1 band servo piston (58) for porosity, wear and seal ring groove damage.
  5. Inspect the manual 2-1 band servo piston pin (55) and retainer ring (56) for wear and damage.