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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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Old 08-15-2007, 08:41 AM   #1 (permalink)
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CDR Valve

Hello again. Haven't been here much lately. Haven't really had time to mess with my truck at all. I'm trying to narrow down an oil leak issue. I've read and understand the function of the CDR Valve. Someone posted the location in reference to a non-turbo truck but where is it on a turbo truck? Do I just replace it or test it first? If test then how?
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Old 08-18-2007, 06:13 PM   #2 (permalink)
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Re: CDR Valve

Okay I've decided to just replace this as mine looks original. Anyone have a good place to get one? I've looked on-line at the usual places AutoZone, Advance Auto and I don't see anything listed.
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'94 F350 XLT Dually
7.3 TIDI/E4OD w/ 206K
stock but not 4 long [img]/ubbthreads/images/graemlins/wink.gif[/img]
3/31/07 re-done GP system
4/15/07 New Brake System!
8/17/07 ATS Exhaust System (cheap)
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Old 08-19-2007, 08:11 AM   #3 (permalink)
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Re: CDR Valve

At Ford. [img]/ubbthreads/images/graemlins/smokin.gif[/img]
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Old 08-19-2007, 04:21 PM   #4 (permalink)
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Re: CDR Valve

Ford part # E3TZ-6A665-A
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Old 08-19-2007, 05:12 PM   #5 (permalink)
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Re: CDR Valve

Ford calls this item a "Adapter assembly for Crankcase Ventilation" Part number E3TZ-6A665-A

The part # for the rubber tube on the CDR... Retainer # E8TZ 6A892A

IH part CDR #1805319C1 "cheapest"
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Old 08-19-2007, 07:24 PM   #6 (permalink)
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Re: CDR Valve

If it's working why replace it?
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Old 02-09-2008, 01:09 PM   #7 (permalink)
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Bringing this back up. I have a new CDR valve ford part number E3TZ6A665A and gasket E3TZ6A892A (both numbers posted above) in front of me.

The so-called gasket above is more or less an o ring with a square cross section. There is another rubber piece, a grommet that fits into the valve cover and into that goes the longer leg on the CDR valve. Does anyone know that part number? thanks.
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Old 02-09-2008, 01:40 PM   #8 (permalink)
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ATS number DSL00145 hose CDR drain....... go to the ATS web page and they have a catalogue........6.9/7.3-093 turbo with wastegate below is ATS page.

Restoring the layer structure...
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Last edited by cdnsarguy; 02-09-2008 at 01:56 PM.
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Old 02-09-2008, 04:39 PM   #9 (permalink)
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Thanks, but anybody know the International or Ford part number??
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Old 02-09-2008, 06:38 PM   #10 (permalink)
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You may have to go to your Ford dealer and get them to look for the part from a schematic.....
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93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93

Toys: 2006 37' Triple E Embassy coach (powered by Cummins), 18' Sylvan Pro Fish with Mariner motors.

Proud Canadian BOOB man too!!

Please PRIVATE MESSAGE only!! ...
Please DO NOT.....visitor message me...
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Old 02-11-2008, 10:22 AM   #11 (permalink)
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According to my local dealer, the part number for the grommet or "retainer crankcase valve" that goes between the CDR and the valve cover is f3tz6a892-a.

However, it is listed as discontinued at a local dealer as of 2004. Unless I find one in stock at another local dealer I will go to International to get it.

Edited to say that I think I was given a wrong part number for the above from the dealer. This site may have the correct part number in the list Ford diesel 6.9 7.3 IDI

Instead of even bothering with Ford or International I ordered Mercruiser Part number 25-808256. It was less than $10. Mercruiser used this engine in some boats for awhile. I will let you all know when I get it in my hands and verify it is the correct part. I ordered it from Stem To Stern Boat Works
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Last edited by rustnrot; 02-14-2008 at 11:32 AM. Reason: wrong part number posted
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Old 12-27-2008, 04:01 PM   #12 (permalink)
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Did the boat part (CDR valve) worked?

Please let me know,

Steven
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