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.

2007 Chevrolet Optra (CANADA) L4-2.0LFACTORY OEM SERVICE PROCEDURE

Transmission Position Sensor/Switch: Service and Repair

Park/Neutral Position Switch Replacement

Tools Required

DT 46473 (DW260-050) Park/Neutral Position Switch Installer

Removal Procedure

1. Disconnect the negative battery cable.
2. Disconnect the electrical connector from the park/neutral position switch.
3. Disconnect the shift control cable and the retaining clip.

4. Remove the shift lever nut and the shift lever.

5. Remove the park/neutral start switch.

Installation Procedure

1. Place the shift lever in Neutral.

Notice: Refer to Fastener Notice Fastener Notice.

2. Install the park/neutral start switch.

Tighten the bolts to 10 Nm (89 lb in).

3. Use DT 46473 (1) to adjust the start switch.

4. Install the shift lever and the shift lever nut.

Tighten the nut to 10 Nm (89 lb in).

5. Connect the shift control cable and the retaining clip.
6. Connect the electrical connector to the park/neutral position switch.
7. Connect the negative battery cable.

Factory Service Tools

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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.

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