3406 DIESEL TRUCK ENGINE Caterpillar


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.
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.