CDR replacement
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Junior User
Joined: Jul 2006
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From: Missouri
CDR replacement
well i don't have any questions. i just wanted to tell what i did today.. anyways i had noticed that my truck has been using alot of oil and the other day on here i saw that the cdr could be the cause of oil consumption so i checked mine and my intake did have alot of oil in it.. so i went to the local parts store and priced one. 54 dollars!! thats what i call highway robbery. so anyways i went to one of the local diesel performance shops and he sold me a good used one for 5 bucks.. the funny thing is that the owner told me that those never go bad. but when i pulled mine off the side that goes to the intake was full of oil. so i'm guessin it was bad. but then again he's told me that the plastic caps on the return line never go bad either.
Cargo Master
Joined: Oct 2008
Posts: 3,330
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From: Eaton, CO
Woah I didn't know this. Can I run a CDR through a parts washer w/ a regular parts washer solution? Or is it gasoline only? The old man just bought a parts washer and is absolutely geeking fiendishly about running something through it. LOL.
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Joined: Apr 2009
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From: Malahat/Cowichan Valley
As far as 54 being highway robbery, LMFAO, here in canada on BC island, they run around 180.
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Junior User
Joined: Jul 2006
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From: Missouri
I am replacing regardless because the previous owner of the engine only serviced, he never replaced it. This thing is 20 years old, yes it may still work but after seeing a new one function, mine may as well be dead. I have to be absolute wide open throttle and i still can just barely see some gasses entering through it. So i vote replace if they are old, like older than five years.
As far as 54 being highway robbery, LMFAO, here in canada on BC island, they run around 180.
As far as 54 being highway robbery, LMFAO, here in canada on BC island, they run around 180.
i agree wreckinball.. mine is 27 years old and i'm pretty sure it hasn't been replaced..
you've got one up on me on the price but it's hard for a poor man like me laid off from his job to spend 54 dollars on something so simple when it was easy for me to find a good used one..
Postmaster
Joined: Apr 2009
Posts: 4,086
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From: Malahat/Cowichan Valley
i dont blame you bro, i went through about a dozen jy's and no luck. The diesel shops around here dont do that good ol boy thing either, they offer new ones unless you grew up with them i guess.
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Cargo Master
Joined: Oct 2008
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From: Eaton, CO
Remove your air cleaner from your motor and on the back of the intake neck, you'll see a metal canister bolted on there. Mine's a zinc coated color. That's the CDR. I believe it's a crank case pressure relief deal of some sort.
Postmaster
Joined: Apr 2009
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From: Malahat/Cowichan Valley
Crankcase Depression Regulator, removes the crankcase gasses(like a pcv/egr for gassers) and allows them to be burned through the intake, it is spring loaded so at high rpm it will suck closed to prevent liquid oil from being inhaled. When you start to see some abnormal smoke from the tail pipe, typically(depending on color) it will mean the cdr needs serviced. It is sold as a gold color and can be painted if the engine has been dressed or rebuilt. Then it would be probably grey like my current one.
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Junior User
Joined: Jul 2006
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From: Missouri
i think replacing mine is gonna do the trick.. it used to puff out a blue smoke when i'd take off from a stop sign if it had been idling very long or if i had been puttin around but today it never did it.. just a little puff of black smoke at take off so i'm guessin that fixed it.
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Junior User
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From: Missouri
i know what ur sayin about the good ol boy thing.. it don't happen very often around here either but this guy has always been good to me. he's even given me some of the plastic return line caps and not even charged me.. although he does say some stuff that doesn't make much sense to me he's a good guy to deal with..
Postmaster
Joined: Apr 2009
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From: Malahat/Cowichan Valley
yeah speaking of the caps and lines, i did find a place here that if you buy a full set of their injectors they will throw in the return line kit and caps if you talk to the right person and mention that you are military. That is about the best i have found. well that and the ZD9 GP's i get for 7 dollars off each because he gives me the employee discount.
Junior User
Joined: Dec 2009
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From: South Haven, MI.
thanx Mechelement and wreckinball 
I'm learning alot about the 6.9 IH engines....have had them in past work trucks, but other than driving em all of my diesel experience has been the cummins in my dodge
Thanx again.
I'm learning alot about the 6.9 IH engines....have had them in past work trucks, but other than driving em all of my diesel experience has been the cummins in my dodge
Thanx again.