12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Fuel/Water Seperator blow up?

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Old Dec 15, 2009 | 09:59 AM
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woodly1069's Avatar
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Default Fuel/Water Seperator blow up?

Has anyone had the small plastic valve on the bottom of the fuel filter blow up? I was out on the road last night and when I pulled up at the house I was "puking" fuel all over the road. I followed the trail I left for miles and it's a good thing I filled the tank up and them dumped it all over the road! Why would the plunger just disappear? I have a 3/8" hole for the fuel to just fall out now! What is this part called? Can I buy one aftermarket?
 
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Old Dec 15, 2009 | 11:00 AM
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My buddy went threw the same problem recently with this cold weather. I would like to know what the deal is because im stumped.
 
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Old Dec 15, 2009 | 11:10 AM
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its the water drain valve and it froze and broke.......I think its metric but a feller may be able to pull the canister out its an easy job and drill and tap for NPT and put a good valve in
 
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Old Dec 15, 2009 | 11:32 AM
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Originally Posted by Whit
its the water drain valve and it froze and broke.......I think its metric but a feller may be able to pull the canister out its an easy job and drill and tap for NPT and put a good valve in
X2 - you guys probably arent dumping the water every time you fill up and its freezing.

Do what Whit said (although I am not sure you will be able to tap it - depends on how much metal is there) or get a Racor replacement filter/seperator
 

Last edited by Dr. Evil; Dec 15, 2009 at 02:18 PM.
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Old Dec 15, 2009 | 12:50 PM
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THANKS GUYS!
 
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