teddychampExplorerAug 15, 2013How much????I have a Fleetwood Bounder 39R with Cummins 330hp Turbo diesel. Noticed that the Exhaust manifold was cracked and needs replacement. This is apparently a common problem with Cummins Engines. Ordered t...Show More
Bruce_BrownModeratorAug 15, 2013Just an FYI...Most of these crack because they're not allowed to properly cool before shutting the engine down. Not all of them for sure, but most.Remember, let that thing idle for a few minutes (or more) before shutting it down. Things get HOT under there and heat cycling is bad news.
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