Crankshaft And Bearing: Removal
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove crankshaft position sensor bolt.
- Apply penetrating oil to the crankshaft position sensor-to-engine block mating surface. Allow penetrating oil to soak for several minutes, to help loosen the O-ring from engine block
- Twist sensor to break the O-ring seals loose. When removing sensor, pull sensor straight out of engine block at the same angle sensor was installed.
- Inspect both crankshaft position sensor O-rings for cuts, cracks, tears or damage. Replace the O-rings as needed.
- Remove crankshaft bearing cap bolts and studs, crankshaft bearing caps, crankshaft lower bearings from bearing caps, crankshaft, and upper bearings from engine block. See Figure.