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 CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 131 (ENGINE CONTROL SYSTEM - REMOVAL & INSTALLATION)AIR INDUCTION SYSTEMSTHROTTLE BODY ASSEMBLYREMOVAL
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Throttle Body Assembly: Removal
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Removal
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.
- Remove engine cover (1) bolts. See Fig 1 .
- Remove engine cover (1).
- Remove air inlet duct (2) from the throttle body assembly (1). See Fig 2 .
- Remove Positive Crankcase Ventilation (PCV) breather hose (6). See Fig 2 .
- Remove Throttle Position (TP) sensor harness connector (4). See Fig 2 .
- Rotate throttle lever and disconnect the accelerator cable and the throttle valve cable, if equipped.
- Disconnect Idle Air Control (IAC) valve harness connector (5).
- Drain the cooling system into appropriate container.
- Remove 2 coolant hoses (3) from throttle body.
- Remove 2 throttle body nuts (3) and accelerator control cable bracket (4). See Fig 3 .
- Remove 2 throttle body bolts (5).
- Remove throttle body (2) and gasket (1) from the intake manifold.
- Clean any remaining throttle body gasket (1) from the intake manifold.
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.