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 MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
1999 Chevrolet Lumina V6-3.8L VIN K
Crankshaft Position Sensor: Service and Repair
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Service and Repair
Crankshaft Position Sensor Replacement
REMOVAL PROCEDURE
TOOLS REQUIRED
^ J 36660 refer to J 36660.
^ J 37096 refer to J 37096.
^ J 38197 refer to J 38197.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Remove the serpentine belt(s) from the crankshaft pulley.
3. Raise the vehicle. Refer to Vehicle Lifting in Service Precautions.
4. Remove the right front wheel and tire assembly.
5. Remove the right inner fender access cover.
6. Remove the crankshaft harmonic balancer.
7. Remove the crankshaft position sensor shield (1) (Do Not use a pry bar).
8. Disconnect the sensor electrical connector.
9. Remove the attaching bolts from the crankshaft position sensor.
10. Remove the crankshaft position sensor from block face.
INSTALLATION PROCEDURE
1. Position the crankshaft position (CKP) sensor to the block.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bolts to hold the CKP sensor to the block face.
Tighten
Tighten the bolts to 20 - 40 N.m (14 - 28 lb ft).
3. Reinstall the crankshaft position sensor shield.
4. Connect the CKP sensor electrical connector.
5. Reinstall the crankshaft harmonic balancer on the crankshaft.
6. Install the right inner fender access cover.
7. Install the right front wheel and tire assembly.
Tighten
Tighten the wheel nuts to 140 N.m (104 lb ft).
8. Lower the vehicle.
9. Install the serpentine belt(s).
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
10. Reconnect the negative battery cable.
REMOVAL PROCEDURE
TOOLS REQUIRED
^ J 36660 refer to J 36660.
^ J 37096 refer to J 37096.
^ J 38197 refer to J 38197.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Remove the serpentine belt(s) from the crankshaft pulley.
3. Raise the vehicle. Refer to Vehicle Lifting in Service Precautions.
4. Remove the right front wheel and tire assembly.
5. Remove the right inner fender access cover.
6. Remove the crankshaft harmonic balancer.
7. Remove the crankshaft position sensor shield (1) (Do Not use a pry bar).
8. Disconnect the sensor electrical connector.
9. Remove the attaching bolts from the crankshaft position sensor.
10. Remove the crankshaft position sensor from block face.
INSTALLATION PROCEDURE
1. Position the crankshaft position (CKP) sensor to the block.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bolts to hold the CKP sensor to the block face.
Tighten
Tighten the bolts to 20 - 40 N.m (14 - 28 lb ft).
3. Reinstall the crankshaft position sensor shield.
4. Connect the CKP sensor electrical connector.
5. Reinstall the crankshaft harmonic balancer on the crankshaft.
6. Install the right inner fender access cover.
7. Install the right front wheel and tire assembly.
Tighten
Tighten the wheel nuts to 140 N.m (104 lb ft).
8. Lower the vehicle.
9. Install the serpentine belt(s).
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
10. Reconnect the 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.