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01-27-2010, 07:55 AM
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#1
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Member
Join Date: Apr 2006
Location: El Dorado Hills
Posts: 73
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loss of engine power
Returning from Quartzite I noticed that I had significantly less power when climbing steep grades. I also hear a air rushing sound at low speeds. At highway speed the coach runs fine. No overheating, no codes or other warnings. We are setting up appointment at Sacramento Cummins and I want to go forarmed with info. My guess is I have an air leak in the turbo. Anyone with a similar experience? Thanks in advance for your input.
Jerry Smith 2006 34 Alpine 27000miles
PS, Quartzite was great despite the hurricane winds aand rain for a few hours
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01-27-2010, 07:56 AM
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#2
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Senior Member
Texas Boomers Club
Join Date: Jul 2000
Location: Cypress, Texas USA
Posts: 8,854
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Sounds like a boost leak in the charge air system.
Rusty
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01-27-2010, 07:59 AM
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#3
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Senior Member
Country Coach Owners Club
Join Date: Jun 2006
Location: Carson City, NV/Surprise, AZ/Florence, OR
Posts: 267
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When I had my 06 Apex, we had a similar situation, turned out to just be a loose clamp on the rubber boot from the turbo. Many of the problems I had with that coach were things that good old WRV forgot to tighten at the factory.
__________________
Jim and Sally & Rufus the Lakeland Terrier
2001, 40' Country Coach Affinity, towing a 2005 Ford Explorer Sport Trac
Carson City,NV, Surprise,AZ, Florence,OR
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01-27-2010, 11:54 PM
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#4
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Could be:
1) one of the neoprene elbows in the charge air cooler plumbing burst (this one's on you)
2) charge air cooler itself has ruptured (probably not as that would usually be a much smaller hole); also on you.
3) the 3/4" rubber elbow tube on the air compressor intake that takes its feed off the turbo boosted line into the intake; this one is a recall "campaign" on the 07-built engines (08 model year coaches). On an 06 you can see the small elbow just aft of mid-engine length, PS, if you lift the bed; looking rearward at the engine it is near but not quite @ the top of engine on the left, and will look blown open. Look just aft of the intake assembly, and you should be able to feel it shredded as well. This one's on Cummins.
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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01-28-2010, 05:20 PM
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#5
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Member
Join Date: Apr 2006
Location: El Dorado Hills
Posts: 73
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My loss of power is the result of a blown neoprene turbo elbow. Does anyone know the cost of replacement. Thanks
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01-28-2010, 11:44 PM
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#7
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Senior Member
Join Date: Jul 2006
Location: Newcastle, CA
Posts: 307
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I had a Vary similar problem 4 months ago. Loss of power, ran fine on the flats but down to a crawl up the hills. Cummins checked all systems and found it was the fuel filter.
I think Camping world will change it for you ?
Also, Check your air filter!
__________________
Dan and Patty
"04" Alpine 34' FDDS 2018 Jeep Grand Cherokee
Newcastle, CA
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