LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2008 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Crankshaft Position Sensor >> Service and Repair >> Crankshaft Position Sensor Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Crankshaft Position Sensor Replacement



Crankshaft Position Sensor Replacement

Removal Procedure




1. Remove the intake manifold. Refer to Intake Manifold Replacement (Service and Repair).
2. Disconnect the crankshaft position (CKP) sensor wiring harness electrical connector (1) from the CKP sensor.




3. Remove the CKP sensor bolt. (cylinder heads shown removed, for clarity).
4. Remove the CKP sensor.


Installation Procedure




1. Lubricate the crankshaft sensor O-ring seal with clean engine oil.
2. Install the CKP sensor.

Notice: Refer to Fastener Notice (Fastener Notice).

3. Install the CKP sensor bolt.

Tighten the bolt to 10 N.m (89 lb in).




4. Connect the CKP sensor wiring harness electrical connector (1) to the CKP sensor.
5. Install the intake manifold. Refer to Intake Manifold Replacement (Service and Repair).
6. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn (Programming and Relearning).