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Old 05-24-2011, 05:10 PM   #1
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sooty exhaust

Newbie Owner of a 32 ft Intrigue, 2000. Sorry, don't have the coach numbers at hand. This is my first diesel coach (or diesel anything else for that matter) The unit has about 65,000 miles on it and has been carefuly cared for (looks better than new). My question. While the rig runs great, getting about 8/9 mpg towing a Jeep Grand Cherokee and running around 1500 rpm/55 mph, the exhaust stack is quite black. There doesn't seem to be any black smoke emitted and I wonder if this is normal or should I consider some checking into the air system (filters are new) and turbo? Thanks in advance for any advice and we're proud to be a part of this group. Jim and Phyllis Hochhalter

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Old 05-24-2011, 06:44 PM   #2
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Jim, congratulations on your new motorhome. From what you described that is absolutely normal for a diesel. If I don't wash the body around around the exhaust pipe on a trip in my MH it will get sooty black. The sooty black also creeps down the outside of the actual exhaust pipe. The time to watch your exhaust through the rear view mirror is under heavy acceleration or when climbing a grade. It is normal to see a little puff of black smoke when you floor it and when it shifts gears but that should be all. Your MPG appears to be normal. If the exhaust pipe is crome then get some chrome polish and clean it up and protect it.

Mike Canter
"Gunner" USN Retired, Airdale
2004 Monaco Signature 44' Conquest. Detroit 60
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Old 05-24-2011, 08:12 PM   #3
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Gunner, Thanks for the quick reply. I had an idea that all was well, but doubt creeps in during the learning process. I had seen some black exhaust during a pass climb, but it cleared up as soom as the load was relieved.
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