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 CLASSIC 1500 4WD V6-4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3L
Crankshaft Position Sensor: Service and Repair
2007 Chevrolet Silverado Classic 1500 4WD V6-4.3LSECTION Service and Repair
CRANKSHAFT POSITION SENSOR REPLACEMENT
REMOVAL PROCEDURE
IMPORTANT: The crankshaft position (CKP) system variation learn procedure will need to be performed whenever the CKP sensor is removed or replaced.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. If equipped, remove the engine shield bolts.
3. Remove the engine shield.
4. Disconnect the CKP sensor electrical connector (5).
5. Remove the CKP sensor bolt.
6. Remove the CKP 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).
1. IMPORTANT: Do not reuse the original O-ring seal.
If installing the old CKP sensor, install a NEW O-ring seal.
2. Lubricate the O-ring seal with clean engine oil.
3. Install the CKP sensor.
4. NOTE: Refer to Fastener Notice.
Install the CKP sensor bolt.
Tighten the bolt to 9 N.m (80 lb in).
5. Connect the CKP sensor electrical connector (5).
6. Install the engine shield.
7. Install the engine shield bolts.
Tighten the bolts to 20 N.m (15 lb ft).
8. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn. Service and Repair
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.