Fuel In Crankcase Oil
Usage:
Recommended Procedure
- 1. Loose Inner Fuel Injection Line Nut(s) ... A loose fuel injection line nut or a bad O-ring seal on the end of the adapter inside the valve cover base can cause fuel leakage into the crankcase. Check for a bad O-ring seal and tighten nuts to 30 ± 5 lb. ft. (40 ± 7 N·m).
- 2. Bad Fuel Nozzle(s) ... Remove fuel nozzles and check the tips for indications of wire brushing. Wire brushing can change the performance of the nozzles. Test the nozzles as per Testing and Adjusting section of this Service Manual.
Caterpillar Information System:
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