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 MANUALSPONTIAC1985GRAND AM V6-181 3.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
1985 Pontiac Grand AM V6-181 3.0L
Crankshaft Position Sensor: Service and Repair
1985 Pontiac Grand AM V6-181 3.0LSECTION Service and Repair
Combination Sensor:
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Electrical connector from sensor.
3. Raise and support vehicle.
4. Position harmonic balancer so slot in disc aligns with sensor then remove balancer (where necessary) to gain access to sensor.
5. Sensor assembly.
INSTALL OR CONNECT
1. Sensor assembly.
2. Harmonic balancer (if removed).
3. Adjust sensor assembly for equal distance on each side of disc which should be approximately 0.76mm (0.030 inch) clearance between the disc and sensor. This clearance should be checked at three locations approximately 120° apart. Torque sensor pinch bolt to 3.4 Nm (30 lb in).
4. Electrical connector to the sensor.
5. Lower vehicle and connect negative battery cable.
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.