OEM Chevrolet Astro Neutral Safety Switch

Chevrolet Astro Neutral Safety Switch Parts and Q&A

• Neutral Safety Switch
  24221125
  Q: How to replace the Neutral Safety Switch on Chevrolet Astro?

  A:

  Start by activating the parking brake and placing the transmission into the neutral position. Lift the vehicle and unscrew the nut holding the transmission control lever to the manual shaft to finally remove the lever. I disconnect each electrical connector from the switch while also completing bolt removal to detach the park/neutral position switch from the transmission. Finally, free the switch from the manual shaft. Use fine-grit sandpaper to file the exterior of the manual shaft until all possible burrs are removed. Start installation by positioning the switch hub flats with manual shaft flats and push the switch down the manual shaft until the mounting bracket reaches the transmission bosses. The inclusion of a positive assurance bracket in new switches means no need for the neutral position adjustment tool (J 41364-A). Position the two bolts temporarily for the switch installation on the transmission while placing the tool (J 41364-A) onto the switch. Make sure the switch slots line up with the tool's lower tabs. You should use the tool to rotate until the top locator pin meets the top switch slot before tightening the bolts to 25 nm (18 ft. Lbs.). When the tool (J 41364-A) no longer remains in place, the positive assurance bracket must also be removed. Reattach electrical wiring to the switch before installing the transmission lever to the manual shaft using the nut while tightening it to 25 nm (18 ft. Lbs.). Ensure the vehicle is in the p (Park) or n (Neutral) positions and check the switch operation before lowering the vehicle. Replace the switch if you find it doesn't work as intended.
• Neutral Safety Switch
  24229422
  Q: How to service and repair the Neutral Safety Switch on Chevrolet Astro?

  A:

  Service and repair procedures for the transmission position switch/sensor require particular tools including a neutral position adjustment tool (J 41364-A). Neutral position adjustment tool (J 41364-A). Start by deploying the parking brake followed by shifting into the neutral gear. Begin by raising the vehicle before taking out the nut that connects the transmission control lever to the manual shaft. Remove the transmission control lever afterward. The wiring harness should be disconnected from a location close to the vehicle harness in order to protect the park switch lead connector. Begin switching out the park/neutral position switch by unpacking the two bolts holding it to the transmission before removing the switch from the manual shaft. To remove burrs on the manual shaft's outer edge use file components until the switch slides off. Position the switch on the manual shaft transmission by placing its hub flats against manual shaft flats then move the switch until the mounting bracket touches the transmission mounting bosses. Fasten the switch with two bolts while keeping them loose. Place the neutral position adjustment tool (J 41364-A) into position by allowing the switch's slots to connect with the lower tabs of the tool. Lock in place the upper locator pin by rotating the tool until it lines up with the switch's top slot before tightening both bolts to 25 nm (18 ft. Lbs.). Next attach the wiring harness connector to the vehicle harness before removing the tool. Install the transmission control lever onto the manual shaft while tightening its nut to 25 nm (18 ft. Lbs. Torque). The final step is to finalize the vehicle drop then test the switch functionality to confirm engine start-up is limited to p (Park) and n (Neutral) settings. Move onto the park/neutral position switch adjustment if additional adjustments prove necessary.