Circa 2002-2004 Cat C7 Heui Issues
After reading about the issues Cat had with the C7 Heui self destructing I thought I'd just avoid any coach with the C7 engine in it. However, I find that a considerable number of the coaches in my p...
Forum Discussion
I also agree with Brett & Scott. I'm a retired trucker and Catapillar came out to our shop and told or mechanics to add 1 gallon of motor oil above full to all C-7 CAT engines to protect bearings inside the engine. The CAT people also said overfilling the crankcase will not hurt the engine. All of our C-7's were in delivery trucks. I prefer Cat motors over all others having driving them for 44-1/4 years OTR. The last CAT engine that I drove had inframe overhauls at 750,000 miles and 1,200,000 miles, and 1,300,000 miles after the 3rd inframe my boss sold the truck to a local ship hauler and that truck is still going up and down I-5 to this day and that speaks for itself.
