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 208 (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 Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Install the shift cable through the hole in the dash. See Figure .
- Install the shift cable through the console shift control bracket.
- Install the shift cable to the console shift control.
- Install the shift cable retainer to the console shift control.
- Install the shift cable to retaining clip(s) or retainer(s) in the passenger compartment.
- Install the carpet into position. Install the front floor console. See appropriate SHIFT INTERLOCK SYSTEMS article.
- Properly route and position the shift cable. See Fig 1 .
- Install the shift cable to the shift cable bracket. See Figure .
- Install the shift cable to the Park/Neutral position switch. See Figure .
- Place the transaxle in the Neutral position. Place the shift control in the Neutral position.
- Connect each cable section to the following before connecting the 2 cable sections.
- Insert the metal end fitting of the shift control cable into the transaxle cable end. See Figure .
- Use the molded end fittings to push the metal end fitting of the shift control cable and the transaxle cable end together until the metal post snaps into place.
- Depress the adjuster clip once. This mobilizes the adjuster housing toward the transaxle end fitting.
- Line up the end fittings so they slide together until you feel the parts cam together and lock.
- Depress the adjuster clip completely. This locks the cable into its adjusted service position.
- Pull the conduit in the opposite direction to assure full system adjustment of the shift cable.
- The horseshoe clip with the tab is flush when fully engaged. Ensure the conduit is fully engaged
- The horseshoe clip with the tab is not flush when not fully engaged.
- Install the shift cable retainer and the wiring harness clip or the wiring harness strap.
- Adjust the shift cable. See SHIFT CABLEΒ under ADJUSTMENTS.
- Install the throttle body air inlet duct.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.