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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 249 (AUTOMATIC TRANSAXLE REMOVAL & INSTALLATION)REMOVAL & INSTALLATIONTRANSAXLEINSTALLATION
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal & Installation: Transaxle: Installation

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation
WARNING: This page is about a different car, the 2003 Chevrolet Malibu and 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the PNP switch.
  2. Install the shifter cable bracket. See Figure .
  3. Install the lower transaxle-to-engine stud. Tighten to specification. See TORQUE SPECIFICATIONS  .
  4. Install the transaxle mount.
  5. Position the transaxle in the vehicle.
  6. Install the lower transaxle-to-engine bolts and nuts. See Figure . Tighten to specification. See TORQUE SPECIFICATIONS  .
  7. Connect the transaxle cooler pipes to the transaxle. Tighten to specification. See TORQUE SPECIFICATIONS  .
  8. Install the torque converter-to-flywheel bolts. See Figure . Tighten to specification. See TORQUE SPECIFICATIONS  .
  9. Install the drive shafts to the transaxle. See appropriate AXLE SHAFTS article in DRIVELINE/AXLES.
  10. Connect the wiring harness to the VSS.
  11. Install the starter. Tighten to specification. See TORQUE SPECIFICATIONS  .
  12. Install the battery cable to the starter and the nut. Tighten to specification. See TORQUE SPECIFICATIONS  .
  13. Install the starter wire and the nut to the starter solenoid. Tighten to specification. See TORQUE SPECIFICATIONS  .
  14. Install the flywheel inspection cover. See Figure .
  15. Lower the vehicle.
  16. Use the engine support fixture to raise the engine and transaxle assembly.
  17. Install the transaxle mount-to-body bolts. Tighten to specification. See TORQUE SPECIFICATIONS  .
  18. Raise the vehicle.
  19. Install the frame replacement in frame and underbody.
  20. Install the transaxle-to-engine brace bolts. See Figure . Tighten to specification. See TORQUE SPECIFICATIONS  .
  21. Install the left front fender liner. See Figure . Tighten to specification. See TORQUE SPECIFICATIONS  .
  22. Install the front wheel and tire assembly lug nuts. Tighten to specification. See TORQUE SPECIFICATIONS  .
  23. Lower the vehicle.
  24. Install the upper transaxle-to-engine bolts and stud. See Figure . Tighten to specification. See TORQUE SPECIFICATIONS  .
  25. Install the engine wiring harness grounds to the transaxle to engine mount stud and nut. Tighten to specification. See TORQUE SPECIFICATIONS  .
  26. Remove the engine support fixture.
  27. Connect the electrical connectors to the PNP switch and transaxle.
  28. Install the shift linkage to the transaxle. See Figure .
  29. Connect the air duct hose to the intake plenum.
  30. Connect the negative battery cable. Tighten to specification. See TORQUE SPECIFICATIONS  .
  31. Inspect the transaxle fluid level. See appropriate SERVICING article as follows:
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.