EBPV brake issues
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Laughing Gas
Joined: Apr 2005
Posts: 910
Likes: 8
From: West-Central New York
EBPV brake issues
Has anyone noticed a problem with their turbo going out prematurely with no real explanation and also happens to have a EBPV brake?
I just lost my aftermarket turbo (BD thruster II) with 52,000 miles on it. Everyone has told me "that is way too soon, but we're sorry, the warranty only covers one year". I could reach into the intake side and slosh the wheel around from one side of the housing to the other.
I just want to know why. You'll notice from the title of the thread that I may have a culprit: the EBPV that I turned into an exhaust brake. How much pressure is that building on the exhaust impeller? I talked to someone at a very reputable diesel repair center who suggested the brake is the likely suspect.
I'm not 100% certain this is the culprit but oil changes are at 5,000 with synthetic. Engine has 180,000 on it now so perhaps the engine is breaking down inside and flooding the oil with metal chips... but I doubt it. No, I have never done and oil analysis but it certainly is time for it.
The air filter is a 6637 that is replaced every year (20,000 mi or so). and I've never run the truck without the airfilter securely fastened.
I can't think of anything else that would have caused it.
Suggestions? Ideas? Opinions? Jokes?
I just lost my aftermarket turbo (BD thruster II) with 52,000 miles on it. Everyone has told me "that is way too soon, but we're sorry, the warranty only covers one year". I could reach into the intake side and slosh the wheel around from one side of the housing to the other.
I just want to know why. You'll notice from the title of the thread that I may have a culprit: the EBPV that I turned into an exhaust brake. How much pressure is that building on the exhaust impeller? I talked to someone at a very reputable diesel repair center who suggested the brake is the likely suspect.
I'm not 100% certain this is the culprit but oil changes are at 5,000 with synthetic. Engine has 180,000 on it now so perhaps the engine is breaking down inside and flooding the oil with metal chips... but I doubt it. No, I have never done and oil analysis but it certainly is time for it.
The air filter is a 6637 that is replaced every year (20,000 mi or so). and I've never run the truck without the airfilter securely fastened.
I can't think of anything else that would have caused it.
Suggestions? Ideas? Opinions? Jokes?
Cargo Master
Joined: Feb 2005
Posts: 2,837
Likes: 1
You're the first I've heard of, but I could see it as a possibility. Most arguments against using the EBPV as an exhaust brake that I have heard have been in relation to the effects it has on the transmission. I have had issues with my EBPV sticking closed when I used it as an exhaust brake, so I haven't used it in a while. I'm not sure if it's a mechanical issue or if the supplied electrical power I chose is not responding to the switch positions. I haven't spent any time trying to track it down due to lack of time. Anyways, that was OT, but good luck. Sorry to hear of your premature turbo failure.
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 27
From: Mesa AZ
I've had my EBPV wired as an exhaust brake for about 5 years now and still running the stock turbo. I don't really use it that much to be honest. Probably 3 or 4 times a year at most. No issues observed so far. I suppose this info doesn't really help you much. Sorry to hear about your troubles with your aftermarket turbo...
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Laughing Gas
Joined: Apr 2005
Posts: 910
Likes: 8
From: West-Central New York
I used it, probably, 8-10 times a day. I basically used it in conjunction with my regular brakes. I could have just wired it to my regular brake wires as much as I used it.
Posting Guru
Joined: Jul 2008
Posts: 1,302
Likes: 1
From: Morehead, Ky.
Do we have any kind of an oil pressure check valve, to hold oil pressure on the turbo bearings when engine is shut down? I for one, am prone to shut the engine off without allowing time for the turbo to spool down. And I know better.
Go Bills !
Joined: Jan 2008
Posts: 2,778
Likes: 65
From: Buffalo, NY
Not sure on the oil check valve but a lot of folks do that. Pull in and shut down. I gringe. My dad has been doing that for over 11 years, No issues with his turbo.
With Egt temperatures, No to much of an issue with a stock air box. egt cools off quickly pulling in outside air. But with the 6637 air filter pulling in hot air from the engine bay, it takes a couple minutes to get it below 400 degrees.
With Egt temperatures, No to much of an issue with a stock air box. egt cools off quickly pulling in outside air. But with the 6637 air filter pulling in hot air from the engine bay, it takes a couple minutes to get it below 400 degrees.
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