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"Tiffin Coach Owner's Forum Member"

Posted
I'm just a few thousand miles into my first diesel coach experience. I have a 2008 Allegro Bus with the Cummins 425hp ISL. When checking the oil it has a very black color to it. This is very diffent than my experience with gassers. I still have many thousands of miles to go before my first recommended oil service and I was wondering if the oil should look so black after just a few thousand miles?


2008 40QRP Allegro Bus
2000 Jeep Wrangler
 
Posts: 22 | Location: Coppell, TX | Registered: March 21, 2007Reply With QuoteEdit or Delete MessageReport This Post
"Alpine Coach Forum Member"

Picture of Dave Fernandez
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Hello SlickTX: Wave

Welcome to world of Diesel Pushers. Yes in diesel engines oil will turn black, so do not worry. Thumbs Up


Dave Fernandez Wave
2001, 38ft FDDS 350 ISC, Tow 2004 GMC Yukon
http://www.alpinesocal.com/
http://www.alpinecoachassociation.com/
 
Posts: 626 | Location: Ontario, CA USA | Registered: June 17, 2003Reply With QuoteEdit or Delete MessageReport This Post
"Moderator"

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Yep, it's soot suspended in the oil by the detergent/dispersent additives. The more "heavily fueled" the engine is, the sooner the oil will turn black.

Rusty


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Tower - 2002 Dodge 3500 Cummins HO/6 speed/4.10LS SLT+ Sport QC LB dually - not quite stock
Towee - 2004 DoubleTree Mobile Suites 36RE3 5th wheel
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Posts: 5793 | Location: Cypress, Texas USA | Registered: July 11, 2000Reply With QuoteEdit or Delete MessageReport This Post
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