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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 97 (STARTING SYSTEM)REMOVAL & INSTALLATIONSTARTERINSTALLATION
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal & Installation: Starter: Installation

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Install starter motor. Install shims (if equipped). Install mounting bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS  . Connect starter solenoid wiring. Tighten battery cable to specification. See TORQUE SPECIFICATIONS  . Tighten ignition switch wires to specification. See TORQUE SPECIFICATIONS  . Install starter motor brackets and shields. Connect negative battery cable.



Install starter motor to engine. Install starter motor bracket and bolt to engine. Tighten bolt to specification. See TORQUE SPECIFICATIONS  . Connect electrical connectors to starter solenoid. Tighten battery cable to solenoid to specification. See TORQUE SPECIFICATIONS  . Tighten ignition switch wires to solenoid to specification. See TORQUE SPECIFICATIONS  . Install starter motor bolts to engine. Refer to Fig 1 . Tighten bolts to specification. See TORQUE SPECIFICATIONS  . Install nut retaining starter to starter motor bracket. Tighten nut to specification. See TORQUE SPECIFICATIONS  . Install engine cover. Connect negative battery cable.

Fig 1: Starter Motor Removal & Installation
G00193088Courtesy of GENERAL MOTORS CORP.


Install starter heat shield bolts and nuts, if necessary. Tighten nut and bolts to specification. See TORQUE SPECIFICATIONS  . Place starter motor into position. Install positive cable and cable nut to starter. Tighten nut to specification. See TORQUE SPECIFICATIONS  . Install engine harness (3) and harness nut (2) to starter. Tighten nut to specification. See TORQUE SPECIFICATIONS  . Connect knock sensor (1). See Fig 1 . Raise starter motor into place. Install starter motor bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS  . Lower vehicle. Connect negative battery cable.

Fig 1: Identifying Starter Motor Components
G00193089Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.