GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1997 🢒 Isuzu - N Series 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Transmission Fluid Pump Body Disassemble

    Object Number: 31202 Size: SH
  1. Remove the transmission oil pump drive (205) and driven (204) gears.
  2. Inspect the oil pump body gear pockets, crescent, pump body face, and bushing for scoring nicks and wear.
  3. Inspect the oil pump drive and driven gears for wear.

    4. Object Number: 31203 Size: SH
  4. Remove the transmission oil pump O-ring seal (5).
  5. Inspect the oil pump body fluid passages for debris.
  6. Inspect the oil pump body fluid passages for scored or irregular mating surfaces.
  7. Inspect the oil pump body fluid passages for cross channel leaks.
  8. Inspect the oil pump body bolt threads for damage.