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 44 (AUTOMATIC TRANSMISSION SERVICING)ADJUSTMENTSPARK/NEUTRAL POSITION SWITCH
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Park/Neutral Position Switch
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Park/Neutral Position Switch
WARNING: This page is about a different car, the 2002 GMC Sonoma, 2002 GMC Jimmy, 2002 Chevrolet S10 Pickup, and 2002 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following procedure is for vehicles that have not had the switch removed or replaced. If the switch has been removed or replaced, see PARK/NEUTRAL POSITION SWITCH under REMOVAL & INSTALLATION. Apply the parking brake. The engine must start in the PARK or NEUTRAL positions only. Check the switch for proper operation. If adjustment is required, proceed as follows:
- With an assistant in driver's seat, raise and support vehicle. The transmission must be in the Park or Neutral position only.
- Loosen the switch retaining bolts and rotate the switch slightly, while the assistant attempts to start engine. After engine starts, turn engine off. Tighten PNP switch bolts to specification. See TORQUE SPECIFICATIONS .
- Ensure vehicle does not start in any range other than Park and Neutral. Replace the PNP switch if proper operation can not be achieved.
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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.