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.
Transmission Position Sensor/Switch: Service and Repair
2007 Chevrolet HHR L4-2.4LSECTION Service and Repair
Park/Neutral Position Switch Replacement
Tools Required
J 41545 Park/Neutral Switch Aligner
Removal Procedure
1. Apply the parking brake and place the control assembly in Neutral. The transaxle manual shaft must be in the Neutral position prior to installing the range switch.
2. Remove the shift control cable from the transaxle range switch lever.
3. Disconnect the electrical connector from the transaxle range switch.
4. Remove the transaxle range switch lever nut and lever.
5. Remove the transaxle range switch bolts and remove the switch.
Installation Procedure (Old Switch)
1. Make sure the transaxle manual shaft is in the Neutral position.
2. Align the flats on the transaxle shift shaft with the flats on the transaxle range switch and install the switch.
3. Loosely install the transaxle range switch bolts.
4. Insert the J 41545 as shown and rotate the switch until the tool drops onto position.
Notice: Refer to Fastener Notice.
5. Tighten the transaxle range switch bolts.
Tighten the range switch bolts to 20 N.m (15 lb ft).
6. Remove the alignment tool.
7. Install the transaxle range switch lever and nut
Tighten the transaxle range switch lever retaining nut to 35 N.m (26 lb ft).
Important: After adjusting the switch, verify the engine only starts in Park or Neutral. If the engine starts in any other position, adjust the switch.
8. Connect the transaxle range switch electrical connector.
9. Install the shift control cable to transaxle range switch lever and verify proper operation.
10. Install the shift control cable to transaxle range switch lever and verify proper operation.
Installation Procedure (New Switch)
1. Make sure the transaxle manual shaft is in the Neutral position.
2. Align the flats on the transaxle shift shaft with the flats on the transaxle range switch and install the switch.
Notice: Refer to Fastener Notice.
3. Tighten the transaxle range switch bolts.
Tighten the range switch bolts to 20 N.m (15 lb ft).
4. Install the transaxle range switch lever and nut.
Tighten the transaxle range switch lever retaining nut to 35 N.m (26 lb ft).
5. Connect the transaxle range switch electrical connector.
Important: After adjusting the switch, verify the engine only starts in Park or Neutral. If the engine starts in any other position, adjust the switch.
6. Install the shift control cable to transaxle range switch lever and verify proper operation.
RENDER: 1.0x
NO RELATED
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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.