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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Manual Transmission - NV 4500 - Service) >> Repair Instructions >> Transmission Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. If removed, position the clutch housing.
    Fig 1: Installing Clutch Housing Bolts/Studs
    GM775394Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice .
  2. If removed, install the clutch housing bolts/studs.

    Tighten:  Tighten the bolts/studs to 50 N.m (37 lb ft).

  3. Position the transmission to the clutch housing.
    Fig 2: Installing Transmission To Clutch Housing
    GM775391Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission to clutch housing bolts.

    Tighten:  Tighten the bolts to 100 N.m (74 lb ft).

  5. Install the vent hose clip to the clutch housing.
    Fig 3: Connecting Vent Hose To Transmission
    GM775337Courtesy of GENERAL MOTORS CORP.
  6. Connect the vent hose from the transmission.
  7. Install the transmission support. Refer to Transmission Support Replacement .
  8. Remove the transmission jack.
  9. Install the starter. Refer to Starter Motor Replacement (4.3L Engine) , Starter Motor Replacement (4.8L, 5.3L, and 6.0L Engines) , Starter Motor Replacement (8.1L Engine) or Starter Motor Replacement (6.6L (LLY) Engine) .
  10. If equipped with 4WD, install the fuel feed/return hose clip to the bracket.
    Fig 4: Installing Fuel Feed/Return Hose Clip From Bracket (4WD)
    GM775356Courtesy of GENERAL MOTORS CORP.
  11. If equipped with 4WD, install the vent hose clip (1) to the fuel feed/return hose bracket.
    Fig 5: Installing Vent Hose Clip From Fuel Feed/Return Hose Bracket (4WD)
    GM775339Courtesy of GENERAL MOTORS CORP.
  12. If equipped with 4WD, install the vent hose clip to the bracket.
    Fig 6: Installing Vent Hose Clip To Bracket (4WD)
    GM775346Courtesy of GENERAL MOTORS CORP.
  13. Install the engine harness clips to the fuel feed/return line clip/bracket.
  14. Install the oxygen sensor (2) to the transmission bracket.
  15. Connect the following engine wiring harness electrical connectors:
    • Backup lamp switch (1)
    • VSS (3)
    • Oxygen sensor (4)
      • Fig 7: Connecting Appropriate Electrical Connector
      GM775031Courtesy of GENERAL MOTORS CORP.
    16. IMPORTANT: DO NOT rely on an audible click or a visual verification on the clutch hydraulic hose quick connect fitting connection.
    Fig 8: Connecting Hydraulic Clutch Quick Connect
    GM102888Courtesy of GENERAL MOTORS CORP.
  16. Connect the clutch actuator cylinder hose to the clutch master cylinder hose.
  17. Push together the clutch hydraulic hose quick connect fittings, then pull back on the fittings to verify engagement.
  18. Check the clutch hydraulic hose for kinks or twists.
  19. If vehicle is a 4WD, install the transfer case. Refer to Transfer Case Assembly Replacement (NVG261-NP2) or Transfer Case Assembly Replacement (NVG261-NP1).
  20. If vehicle is a 2WD, install the propeller shaft. Refer to Propeller Shaft Replacement - One Piece or Propeller Shaft Replacement - Two Piece .
  21. Fill the transmission fluid.
  22. Install the shift lever assembly. Refer to Shift Lever Assembly Replacement .
  23. Bleed the clutch hydraulic system. Refer to Hydraulic Clutch Bleeding .
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