What is a CDR ?
Senior User
Joined: Nov 2011
Posts: 163
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Yep my 93 1st Gen had a tube than ran straight to the ground. My 01 is gonna have a setup like that soon as the factory puke bottle collector thingy ma bob is making a mess all over the front of the engine and radiator now.
Lead Driver
Joined: Apr 2008
Posts: 6,938
Likes: 13
My question on this topic is what does a CDR actually "DO"?? You can blow through the thing both directions, and it doesnt seem to have any special ability to pull the oil out of the air before it passes it into the intake. At this point im planning on a RDT via breather cap mounted behind the access cover on the IP gear housing. I dont want the rdt to make a mess under my pickup and where i park it thus the breather cap, but it appears to me that the CDR is all but useless, unless mine is shot... that might be why i think that.
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Junior User
Joined: Nov 2011
Posts: 73
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From: JAX FL
My question on this topic is what does a CDR actually "DO"?? You can blow through the thing both directions, and it doesnt seem to have any special ability to pull the oil out of the air before it passes it into the intake. At this point im planning on a RDT via breather cap mounted behind the access cover on the IP gear housing. I dont want the rdt to make a mess under my pickup and where i park it thus the breather cap, but it appears to me that the CDR is all but useless, unless mine is shot... that might be why i think that.
OK, so what is an RDT ?
Elder User
Joined: Apr 2002
Posts: 950
Likes: 2
From: West Bend
My question on this topic is what does a CDR actually "DO"?? You can blow through the thing both directions, and it doesnt seem to have any special ability to pull the oil out of the air before it passes it into the intake. At this point im planning on a RDT via breather cap mounted behind the access cover on the IP gear housing. I dont want the rdt to make a mess under my pickup and where i park it thus the breather cap, but it appears to me that the CDR is all but useless, unless mine is shot... that might be why i think that.
Fleet Mechanic
Joined: Jan 2011
Posts: 1,709
Likes: 4
From: 8600 ft in Colo
Remember, engine oil acts like fuel in a diesel. If you have a lot of blow-by, and it's plumbed directly to the intake, it can cause a run-away engine...
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Lead Driver
Joined: Apr 2008
Posts: 6,938
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Phy, our intention here is to come up with something that makes for LESS oil going in the engine and / or atmosphere. My truck burns a little less than 2qt. every 3k. I can live with that. But if i can easily make it 1qt. or even less for the cost of a couple bucks... you can bet your booty im gunna do it... Delo is 14.78 a gallon ON SALE... id much rather burn 4.05 / gallon detzle
Senior User
Joined: Dec 2011
Posts: 318
Likes: 5
on this cdr or behind it. guy showed that there is the glow plug controler behind it.... is that supposed to be sitting in the top of the intake cover there cause if it is mine is missing and it had a **** ton of dirt in it. what do i gotta do to cover it or fix this cause i believe this could be the soulution to my problem?
Post Fiend
Joined: Feb 2009
Posts: 8,005
Likes: 7
From: Ottawa, Ontario
What year is your truck? If 1986 and older. It does not have the same glow plug controller. The one I showed there is on my '87 6.9 witch was the very first year for the solid state system, and the control sits right there.
If your an 86 and older, it'll look abit more like my '85 E350 van, the glow plug controller is that thing screwed in the drivers side head, and the relay is under the hood, right infront of the drivers side battery, bolted to the Rad support.
Here you go, made one just for you
If your an 86 and older, it'll look abit more like my '85 E350 van, the glow plug controller is that thing screwed in the drivers side head, and the relay is under the hood, right infront of the drivers side battery, bolted to the Rad support.
Here you go, made one just for you
Laughing Gas
Joined: Dec 2010
Posts: 1,155
Likes: 0
From: Las vegas nevada
Cdr good bad ugly? So now that its off.... The black rubber tube naturally ripped so now I let this soak in gas for an hour shake it from time to time then give it the blow suck test trhough the weep or pin hole and it should feel the diaphram moving? What do I do with the broken hose? Is there a groumlet that slides over the hose after it gets seated in the nipple? In the mean time can I just stuff a rag in the hole? Or leave it open till I find the correct diameter hose to put back on it?