GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Manual Transmission - NV 4500 🢒 Extension Disassemble

C 400 Model

Tools Required

    • J 23129 Universal Seal Remover
    • J 6125-B Slide Hammer

    Object Number: 789405 Size: SH
  1. Using the J 6125-B  (1) and the J 23129  (2), remove the mainshaft seal.

    2. Object Number: 789407 Size: SH
  2. Remove the mainshaft rear bearing retaining ring.

    3. Object Number: 789409 Size: SH
  3. Using a hammer and a punch, remove the rear bearing. Do not reuse the bearing after removal.

C 800 Model

    Object Number: 789414 Size: SH
  1. Using a hammer and a suitable punch, remove the mainshaft seal from the transmission extension.

    2. Object Number: 789415 Size: SH
  2. Remove the mainshaft rear bearing retainer ring.

    3. Object Number: 789416 Size: SH
  3. Using a hammer and a suitable punch, remove the rear bearing. Do not reuse the bearing after removal.