Removal (3.1L - Ckp Sensor "B") Buick Century VI

1. The Crankshaft Position (CKP) sensor "B" may also be referred to as CKP sensor 7X. CKP sensor is mounted in cylinder block. (Scheme 6) Turn the steering wheel fully to the left. Raise and support the vehicle. Remove the right front tire and wheel.
2. Disconnect the CKP sensor electrical connector. Remove the CKP sensor attaching bolt. Remove the CKP sensor from the engine. Inspect for wear, cracks, or leakage if the sensor is not being replaced.

1. Replace the "O" ring, if it is damaged. Lubricate the "O" ring with clean engine. Install the sensor to the block. Install the CKP sensor attaching bolt. Tighten the bolt to specification. See «TORQUE SPECIFICATIONS»(ref-159248-S05123880852003112000000) .
2. Install the CKP sensor electrical connector. Install right front tire and wheel. Lower the vehicle. Perform the CKP System Variation Learn Procedure. See «CRANKSHAFT POSITION SENSOR»(ref-159248-S12805674032003112100000) under PROGRAMMING.

Scheme 6