UPDATE: Hard starting Cummins ISM
Good Morning everyone! Cummins ISM. 95,000 miles. Just had it serviced, replaced water separator, filters etc. including Allison transmission service. Generally used Speedco for service but tried out ...
Forum Discussion
11178adm wrote:
the most likely cause is the wrong engine mounted fuel filter. The cummins N14, M11 and ISM engine fuel filter must have a metal tube down the center of the filter or they will have long crank time. There are a lot of filters that will screw onto the cummins filter base but whatever they installed should cross to fleetgard number FS1000
Thanks everyone again. After purging the system several times yesterday, I took the coach back to the shop this morning and advised them of the above and the other suggestions. They assured me they would fix it. I'm picking it up tomorrow and I'll post the results.
Thanks again for the sage advice....Dennis
