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 107 (AUTOMATIC TRANSMISSION SERVICING)REMOVAL & INSTALLATIONPARK/NEUTRAL POSITION SWITCHINSTALLATION
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Park/Neutral Position Switch: Installation
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Installation
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not rotate a new PNP switch. A new PNP switch is pinned in the Neutral position. If the bolt holes do not align with the mounting boss on the transaxle, verify that the shaft is in the Neutral position.
- Verify that the shift shaft in the Neutral position.
- Adjust the PNP switch if the new switch has been rotated and the pin is broken or if using an old PNP switch. See PARK/NEUTRAL POSITION SWITCH under ADJUSTMENTS.
- Align the flats of the shift shaft to the flats in the PNP switch.
- Install the PNP switch to the mounting boss.
- Install the PNP switch bolts. See Figure . Tighten the PNP switch mounting bolts to specification. See TORQUE SPECIFICATIONS .
- Install the manual selector lever.
- Connect the PNP switch electrical connectors.
- Install the shift cable. Verify that the engine starts only in the Park position or the Neutral position once the PNP switch is installed.
- Readjust the PNP switch and/or inspect the shifter and the manual selector lever if the engine starts in any other position.
- Install the throttle body air inlet duct.
- Remove the blocks from the wheels. Release the parking brake.
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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.