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 278 (AUTOMATIC TRANSMISSION SERVICING)REMOVAL & INSTALLATIONSHIFT CABLEINSTALLATION

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Shift Cable: Installation

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Properly route the shift cable through the engine compartment. See Fig 1 . Install the shift cable through the cowl. See Figure .
If the vehicle is equipped with a column shift, perform the following steps:
1. Install the shift cable to the steering column bracket.
2. Install the retaining clip to the shift cable. See Figure .
3. Install the shift cable to the column control lever.
If the vehicle is equipped with a console shift, perform the following steps:
1. Install the transaxle shift cable to the floor shift control. See Figure .
2. Install the console trim plate. See appropriate SHIFT INTERLOCK SYSTEMS article.
Install the knee bolster. Install the shift cable to the shift cable bracket. Install the shift cable to the PNP switch lever. Install the retaining clip to the shift cable. See Figure .
Adjust the shift cable. See SHIFT CABLE under ADJUSTMENTS. Install the throttle body air inlet duct.

Fig 1: Identifying Shift Cable Routing

Courtesy of GENERAL MOTORS CORP.

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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.