Q: What Defects Should Be Inspected in the Crankshaft Thrust Washer Set on Mercury Grand Marquis?
A: Inspect crankshaft main bearings with cratering, or other signs of fatigue failure; spot polishing, or improper seating, embedded dirt in the engine oil, scratches on dirty oil, base exposure caused by poor lubrication, wear on both edges, indicating damaged journal, wear on one edge, which could be caused by a tapered journal or improper seating.
Q: What Defects Should Be Inspected on the Crankshaft Thrust Washer Set on Mercury Mountaineer?
A: Inspect crankshaft main bearings that may have cratering (fatigue failure), spot polishing (wrong seating), dirty engine oil embedded, scratched with dirty oil, base exposed (poor lubrication), and one edge worn (tapered journal or improper seating of the bearing).