Originally Posted by Chuck48
I have the same year and model coach. Great floor plan. Very good ride and handling. Plenty of power and 7.5 average MPG. Check the serial number on the engine. There was a recall on the ISL that year for a wrist pin problem. Cummins will do a change to the check engine system to help spot a problem. It is a free fix. This problem usually shows up before 10,000 miles. Hope this helps.
Here is the block of serial numbers involved:
1. Product identification and customer channels.
This defect involves Cummins ISL CMS5O diesel engines produced for recreational
vehicle applications between October 17,2005 and April 18, 2006. There are 2 159
engines in the subject population that we intend to campaign.
All ISL CM850 engines in the subject population are covered by this recall. The ISL
CM850 recreational vehicle ESNs eligible for this campaign range from 46543077 to