Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 90 (AUTOMATIC TRANSMISSION SERVICING)REMOVAL & INSTALLATIONOUTPUT SHAFTINSTALLATION
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Output Shaft: Installation
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Install the drive axle retainer rings (509) to the output shaft (510). See Figure and Figure .
- Hold the front differential carrier in place and carefully install the output shaft (510) to the transmission through the left wheel opening. Extend the output shaft through the differential side gear.
- Install the case extension housing. See CASE EXTENSION HOUSING . Install the left drive axle to the transaxle. See appropriate article in DRIVE AXLES.
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.