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 MANUALSCHEVROLET2006TRAILBLAZER 2WD V8-6.0L VIN HREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTRANSMISSION POSITION SENSOR/SWITCHADJUSTMENTS
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN H
Transmission Position Sensor/Switch: Adjustments
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN HSECTION Adjustments
Park/Neutral Position Switch Adjustment
Important:
^ The following procedure is for vehicles that have not had the switch removed or replaced. If the switch has been removed or replaced, refer to Park/Neutral Position Switch Replacement for the proper adjustment procedure.
^ Apply the parking brake.
^ The engine must start in the P (Park) or N (Neutral) positions only.
^ Check the switch for proper operation. If adjustment is required, proceed as follows:
1. Place the transmission range selector in the N (Neutral) position.
2. With an assistant in the drivers seat, raise the vehicle.
3. Loosen the park/neutral position switch mounting bolts.
4. With the vehicle in the N (Neutral) position, rotate the switch while the assistant attempts to start the engine.
5. Following a successful start, turn the engine off.
6. Tighten the bolts securing the switch to the transmission.
Tighten the bolts to 25 Nm (18 ft. lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
7. Lower the vehicle.
8. Check the switch for proper operation. The engine must start in the P (Park) or N (Neutral) positions only.
9. Replace the park/neutral position switch if proper operation can not be achieved.
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.