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 MANUALSCHEVROLET2007SILVERADO 1500 2WD V6-4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIRCRANKSHAFT POSITION SENSOR REPLACEMENT
2007 Chevrolet Silverado 1500 2WD V6-4.3L
Crankshaft Position Sensor Replacement
2007 Chevrolet Silverado 1500 2WD V6-4.3LSECTION Crankshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. If equipped, remove the oil pan skid plate and bolts.
3. Disconnect the engine wiring harness electrical connector (4) from the crankshaft position (CKP) sensor.
4. Remove the CKP sensor bolt and sensor.
Installation Procedure
Important: When installing the CKP sensor, make sure the sensor is fully seated before tightening the bolt. A poorly seated CKP sensor may perform erratically and may set false diagnostic trouble codes (DTCs).
Important: Do not reuse the original O-ring seal.
1. If reinstalling the old CKP sensor, install a NEW O-ring seal onto the sensor.
2. Lubricate the O-ring seal with clean engine oil.
Notice: Refer to Fastener Notice.
3. Install the CKP sensor and bolt.
Tighten the bolt to 10 N.m (89 lb in).
4. Connect the engine wiring harness electrical connector (4) to the CKP sensor.
5. If equipped, position the oil pan skid plate and install the bolts.
Tighten the bolts to 28 N.m (21 lb ft).
6. Lower the vehicle.
7. Perform the crankshaft position system variation learn procedure. Refer to Refer to Programming and Relearning.. Programming and Relearning
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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.