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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 218 (ENGINE CONTROLS - REMOVAL & INSTALLATION)AIR INDUCTION SYSTEMSTHROTTLE BODYINSTALLATION
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Throttle Body: Installation
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Installation
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Remove shop towel from throttle body opening. Install throttle body gasket. Install throttle body and bolts. Tighten throttle body bolts to specification. See TORQUE SPECIFICATIONS .
- Connect throttle body electrical connector. Install outlet resonator/duct assembly. See AIR CLEANER OUTLET RESONATOR/DUCT ASSEMBLY . Turn on ignition for one minute while the engine control module automatically relearns the throttle position.
- Remove shop towel from throttle body opening. Install throttle body gasket. Install throttle body and bolts. Tighten throttle body bolts to specification. See TORQUE SPECIFICATIONS .
- Connect coolant hoses to throttle body and unclamp hoses. Connect PCV fresh air and vacuum hoses. Connect throttle body electrical connector. Install outlet resonator/duct assembly. See AIR CLEANER OUTLET RESONATOR/DUCT ASSEMBLY .
- Connect negative battery cable. Tighten negative battery terminal bolt to specification. If the throttle body assembly has been replaced, an automatic relearn procedure must be completed by the engine control module. Do not depress the accelerator pedal assembly during this procedure. To complete the relearn procedure, turn ignition to run position for one minute. Reprogram preset radio stations and reset clock to correct time.
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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.