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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1140 (Automatic Transaxle - 4T65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Transmission Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: If you are replacing the transaxle, transfer case or any internal components, you must inspect the end play and adjust as needed. Refer to Transmission to Transfer Case End Play Check (F4WD Only) in Automatic Transaxle - 4T65-E Unit Repair.
  1. If the vehicle is equipped with AWD, install the transfer case. Refer to Transfer Case Installation in Automatic Transaxle- 4T65-E Unit Repair.
    2. Fig 1: Identifying Transmission Bell Housing Bolts
    GM1395501Courtesy of GENERAL MOTORS CORP.
  2. Use the dowel locator pins (1) in order to align and install the transmission to the engine.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the transmission bell housing bolts (2).

    Tighten:  Tighten the transmission bell housing bolts to 50 N.m (37 lb ft).

    4. Fig 2: Locating Transmission Bell Housing Bolts
    GM1395484Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission bell housing bolt near the crank sensor and the engine coolant (block) heater.

    Tighten:  Tighten the transmission bell housing bolt to 50 N.m (37 lb ft).

    5. Fig 3: Identifying Transmission Upper Brace Nut
    GM1395483Courtesy of GENERAL MOTORS CORP.
  5. Install the transmission upper brace nut located behind the power steering pump and above the transfer case.

    Tighten:  Tighten the transmission upper brace nut to 50 N.m (37 lb ft).

  6. Install the transmission lower brace. Refer to Automatic Transmission Brace Replacement (LA1)  or Automatic Transmission Brace Replacement (LY7) .
  7. Install the torque converter bolts. Refer to Flywheel to Torque Converter Bolt Replacement (LA1)  or Flywheel to Torque Converter Bolt Replacement (LY7) .
  8. Install the starter motor. Refer to Starter Motor Installation in Engine Mechanical - 3.6L (LY7).
  9. Install the transmission mount with the transmission mount bracket. Refer to Automatic Transmission Mount Bracket Replacement .
  10. Install the coolant inlet pipe. Refer to Coolant Pipe Replacement - Inlet in Engine Cooling.
  11. If the vehicle is equipped with All-Wheel-Drive (AWD), install the transfer case brace. Refer to Support Brace Replacement (LA1) or Support Brace Replacement (LY7) in Transfer Case-Steyr.
  12. Install the filler tube. Refer to Fluid Filler Tube Replacement (LA1)  or Fluid Filler Tube Replacement (LY7) .
  13. Install the powertrain (engine, transmission and frame) to the vehicle. Refer to Engine Replacement in Engine Mechanical - 3.6L (LY7).
    14. Fig 4: View Of Transmission Lower Bell Housing Bolt
    GM1395562Courtesy of GENERAL MOTORS CORP.
  14. Install the transmission lower bell housing bolt located between the engine oil pan and the transmission oil pan.

    Tighten:  Tighten the transmission bell housing bolt to 50 N.m (37 lb ft).

  15. Inspect and adjust the transaxle fluid level as needed. Refer to the following information.
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