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 1300 (CRUISE CONTROL SYSTEM)REPAIR INSTRUCTIONSCRUISE CONTROL SERVO REPLACEMENTINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure

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

NOTE: Refer to FASTENER NOTICE .

Install the cruise control servo (1) and bracket to the vehicle. Secure the servo and bracket with the 2 bolts (2).
Tighten

Tighten the cruise control servo mounting bolts to 6.0 N.m (52 lb in).
Connect the cruise control servo electrical connector (3).

Fig 1: Installing Cruise Control Servo And Bracket To Vehicle
Courtesy of GENERAL MOTORS CORP.
Install the cruise control servo cable (4) to the servo lever (1) and bracket. Secure the cruise control cable servo cable bracket with the one screw (5).
Install the accelerator control cable (3) to the servo lever (1) and bracket.
Adjust the cable adjusting locknuts (2) to allow slight freedom of movement between the accelerator control cable (3) and the servo lever (1).
Secure the accelerator cable locknuts (2).
Tighten

Tighten the accelerator cable adjusting locknuts to 8 N.m (71 lb in).

Fig 2: Installing Cruise Control Servo Cables To Servo Lever And Bracket
Courtesy of GENERAL MOTORS CORP.
Install the cruise control servo cover (1) make sure the tabs (2) snap in place.

Fig 3: Installing Cruise Control Servo Cover
Courtesy 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.