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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 531 (Manual Transmission - NV 3500) >> Repair Instructions >> Transmission Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Shift the transmission into the 3rd or 4th mechanical gear position.
  2. Remove the shift tower. Refer to SHIFT TOWER REPLACEMENT  in Manual Transmission - NV 3500.
  3. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  4. Drain the transmission fluid.
  5. Remove the rear propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE or PROPELLER SHAFT REPLACEMENT - TWO PIECE in Propeller Shaft.
    Fig 1: Vehicle Speed Sensor Connector
    G01979608Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the vehicle speed sensor electrical connector.
  7. Disconnect the back up switch electrical connector.
  8. Remove the wiring harness retainers from the right side of the transmission.
  9. Remove the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (2.2L) or CATALYTIC CONVERTER REPLACEMENT (PICKUP 4.3L) or CATALYTIC CONVERTER REPLACEMENT (UTILITY 4.3L in Engine Exhaust.
  10. Remove the transfer case, if equipped. Refer to TRANSFER CASE SHIELD REPLACEMENT in Transfer Case.
  11. Use the J 42371  to depress the white plastic sleeve on the quick connect and separate the clutch line from the concentric slave cylinder quick connect.
  12. Support the transmission with a transmission jack.
  13. Remove the transmission support. Refer to TRANSMISSION SUPPORT REPLACEMENT (RWD) or TRANSMISSION SUPPORT REPLACEMENT (4WD) in Frame and Underbody.
  14. Remove the clutch housing cover bolts.
  15. Remove the clutch housing cover from the transmission.
  16. Remove the wiring harness from the front crossmember.
  17. Lower the transmission enough to gain access to the top of the transmission.
  18. Remove the fuel line retainers from the top of the transmission.
    Fig 2: Wiring Harness
    G01979609Courtesy of GENERAL MOTORS CORP.
  19. Remove the bolt, the washer, and the nut securing the wiring harness ground wires to the engine block.
  20. Remove the transmission to engine bolts.
  21. Lower the transmission using the transmission jack.
    Fig 3: Removing Transmission From Engine
    G01979610Courtesy of GENERAL MOTORS CORP.