84cucv1ton
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no luck finding a new one. anywhere at all. so i used diesel fuel.. seemed to work out fine... all clean 
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Cleaning CDRs
- Thread starter 84cucv1ton
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Cucvnut
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there is a link to a guy selling them on here in the cucv section.
ralbelt
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I have cleaned mine with diesel also. They are not extremly bad as I have 4 and rotate them. Clean w diesel spray WD40 and set aside.
84cucv1ton
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ok didnt see that ill look again
allenhillview
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Hey Is there an importance on this device if so someone tell a newbie and how to clean it
Thanks Allenhillview
Thanks Allenhillview
HikerMan
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Crankcase Depression Regulator Valve
I cleaned mine out last time, and all the hoses next to it
Used gasoline instead of diesel, I rear diesel on here but I guess my mind just slipped.... I let it air our and evaporate for a long time after realizing my mistake and it ran just fine when I finally cranked it....
But yeah use diesel to clean it, pull it off, pour diesel in, wash it around, keep pouring it down hoses again and again...worked fine for me
Mine was filthy and got it really clean, but I can't say I noticed any differences in function
Good luck!
I cleaned mine out last time, and all the hoses next to it
Used gasoline instead of diesel, I rear diesel on here but I guess my mind just slipped.... I let it air our and evaporate for a long time after realizing my mistake and it ran just fine when I finally cranked it....
But yeah use diesel to clean it, pull it off, pour diesel in, wash it around, keep pouring it down hoses again and again...worked fine for me
Mine was filthy and got it really clean, but I can't say I noticed any differences in function
Good luck!
ctmustang
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Yeah I would definately clean it and it should be fine. Some of the folks selling the new ones I hope are having trouble sleeping at nite.
allenhillview
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I was just asking what the CDR does in engine function why clean it can it be removed?
84cucv1ton
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click on the link tells what it does
It helps maintain a slight vacuum inside the engine and prevents oil leaks. Often the first sign of a CDR not working is a leaking rear-main seal.
Some you can clean and get working fine and some you can NOT. There is a rubber diaphram inside - just as vacuum pump and fuel pumps have. If the rubber cracks, the CDR won't work not matter how well you clean it.
I've pried a few apart and made new diaphrams - but it's easier just to find one with a good diphram and clean.
Here is what they look like inside.
Attachments
allenhillview
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OK Thanks to all who have added to this for me i think we can never have enough information on the j-code diesel or cucv's so thanks.
Now where can i buy one (CDR) so far nothing. Mine seems ok but have not done any test described, finished oil pan gasket a few months ago its fine but elected not to replace rear main seal,, I know what you my think but we all have our faults,(why did i have a engine that far down and not replace rear seal) so now,,,!!! no leak but moist out of inspection hole @ flywheel so i saw this on SS decided I would ask if there is a place to buy ? No pressurized oil at this point.
Now where can i buy one (CDR) so far nothing. Mine seems ok but have not done any test described, finished oil pan gasket a few months ago its fine but elected not to replace rear main seal,, I know what you my think but we all have our faults,(why did i have a engine that far down and not replace rear seal) so now,,,!!! no leak but moist out of inspection hole @ flywheel so i saw this on SS decided I would ask if there is a place to buy ? No pressurized oil at this point.
truck1
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I just bought 2 on ebay from" wolfer-parts" .22$ each.He still has some available.
cpf240
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I bought some too... but I've noticed that the price has gone up at least $4 in the last few weeks. But when others are selling them for $50, I can't blame them!I just bought 2 on ebay from" wolfer-parts" .22$ each.He still has some available.
top_prop
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I got 4 'HMMVW' CDR valves from ebay for $44... shipped. THey have the same part number on them as the one that came on my 1009 from GL...
cpf240
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Was it over Thanksgiving? I had bid on them, then slept in the next morning and missed the close of the auction. My wife said I should have just done the "buy it now" like she told me to.
So much for trying to save a few bucks! That was quite a deal considering what the other CDR auctions are going for!
HikerMan
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After seeing the interior schematics of that CDR valve...I decided to buy a new one
$33 shipped...better than 40-50 i guess
$33 shipped...better than 40-50 i guess
allenhillview
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Yea I bought one from Wolfer also $33 and change included ship!
84cucv1ton
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i will be buying a few too
Miah
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Ordered 1 last week as well. The can I got now looks very new, but who knows how long it's sat or if the rubber is good inside.
Easiest to replace it now & then tear the old one apart for inspection.
Easiest to replace it now & then tear the old one apart for inspection.