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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Manual Transmission - NV 3500) >> Repair Instructions >> Transmission Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Shift the transmission into the 3rd or 4th mechanical gear position.
  2. Remove the shift tower. Refer to SHIFT TOWER REPLACEMENT .
  3. Raise and support the vehicle. Refer to LIFTING & 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 article.
  6. Disconnect the vehicle speed sensor electrical connector.
    Fig 1: Locating Vehicle Speed Sensor (VSS) Electrical Connector
    G01840527Courtesy of GENERAL MOTORS CORP.
  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) , CATALYTIC CONVERTER REPLACEMENT (PICKUP 4.3L) or CATALYTIC CONVERTER REPLACEMENT (UTILITY 4.3L) in ENGINE EXHAUST article.
  10. Remove the transfer case, if equipped. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT in TRANSFER CASE article.
  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.
    Fig 2: Separating Clutch Line From Concentric Slave Cylinder Quick Connect
    G01840528Courtesy of GENERAL MOTORS CORP.
  12. Support the transmission with a transmission jack.
  13. Remove the transmission support.
  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.
  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.
    Fig 3: Locating Transmission-To-Engine Bolts
    G01840529Courtesy of GENERAL MOTORS CORP.
  21. Lower the transmission using the transmission jack.
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