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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1775 (MANUAL TRANSMISSION - GETRAG 5 SPEED)REPAIR INSTRUCTIONSTRANSAXLE CASE ASSEMBLY
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Transaxle Case Assembly

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Transaxle Case Assembly
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

  • J 7079-2  Universal Driver Handle - Non-Threaded. See Special Tools .
  • J 8092  Universal Driver Handle - 3/4 in - 10
  • J 44375  Assembly Pallet. See Special Tools .
  • J 44376  Bearing Pusher/Puller. See Special Tools .
  • J 44377  Input Shaft Anti-Rotation Tool. See Special Tools .
  • J 44381  Shifter Bearing/Input and Output Bearing Remover. See Special Tools .
  • J 44383  Countershaft Bearing Installer (to case). See Special Tools .
  • J 44385  Differential Bearing Race and Seal Installer. See Special Tools .
  • J 44387  Output Shaft Bearing Sleeve Installer and Pin. See Special Tools .
  • J 44389  Countershaft Bearing Installer. See Special Tools .
    Fig 1: View Of Shift Rod & Bushing
    GM658859Courtesy of GENERAL MOTORS CORP.
  1. Install the shift rod and bushing.
    2. Fig 2: Intermediate Shaft Needle Bearing
    GM762370Courtesy of GENERAL MOTORS CORP.
  2. Install the intermediate shaft needle bearing to the transmission housing using the J 44383  (1) and the J 8092  (2). See Special Tools .
    3. Fig 3: Identifying J 44381 & J 7079-2
    GM658858Courtesy of GENERAL MOTORS CORP.
  3. Install a new shifter shaft bearing flush with the casting in the transmission housing, using the J 44381  (1) and the J 8092  (2). See Special Tools .
    4. Fig 4: View Of Transmission Housing Bolt, Spring & Lever
    GM658860Courtesy of GENERAL MOTORS CORP.
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.