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Jeep Liberty Diesel Oil Questions

48 messages,  Last post on Aug 21, 2009 at 2:25 AM

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What is this discussion about? Jeep Liberty, Diesel


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#29 of 48
Re: Recommended Jeep Liberty Diesel Oil [caribou1] by siberia
May 09, 2007 (5:01 pm)
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Replying to: caribou1 (May 08, 2007 11:12 pm)

Personally speaking I would not use this cartridge because two main functions will be removed:
- The water in fuel sensing
- The preheating of the fuel for winter use.

 
The water in fuel sensor came with the CRD originally and screws into the bottom of the replacement filter in lieu of the drain plug that comes with the replacement, so the sensor is not lost. The sensor is just 2 electrodes in the plastic that measure the conductivity of the water if high enough.
 
The preheating element is not in the filter itself. The original filter I disassembled was simply a canister with a filter element. The canister extends well below the filter to provide room for water. Is the heater in the housing that holds the filter?
 
I would prefer to use a Racor with a clear bowl. I contacted Racor about a year ago and they said that they thought the R20S(if memory serves) would work but could not say absolutely so I did not order one.
#30 of 48
Re: Recommended Jeep Liberty Diesel Oil [siberia] by caribou1
May 09, 2007 (11:38 pm)
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Replying to: siberia (May 09, 2007 5:01 pm)

-There are two connectors on the clear bowl.
-Both heater and water sensors are located inside the plastic bowl.
-The R20S filter cartridge has a 'chamber' for allowing a volume of fuel to remain around the heating element.
 
European 4x4 clubs promote Parker-Racor filters when preparing for African rallies. When you're not certain of what will be poured into your tank, you add another filtration element to the one I received with the truck. My fuel filter element has 20,000 miles and doesn't show any sign of fatigue.
The plastic bowl is really neat to detect the presence of water: I apply a flashlight underneath the bowl, next to the connectors.
When illuminated, the colour of the plastic bowl full of fuel is like tea (or american coffee )
#31 of 48
Re: Recommended Jeep Liberty Diesel Oil [caribou1] by siberia
May 10, 2007 (2:41 am)
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Replying to: caribou1 (May 09, 2007 11:38 pm)

Bou, I am having trouble making the connection between what you have and what we have. I have no heating element that extends into the filter. The top of the filter looks a lot like an oil filter with no chamber. Are you saying that one of the plugs from the filter housing can be moved to a connector on the Racor filter? I only have one electrical connection on the filter itself and that is the water sensor. Right now I am just looking for a quality inexpensive replacement for the factory fuel filter that is easy to find. The Jeep dealers around here are not real big on keeping the stock filters in stock so a WIX from a local parts jobber seems like the way to go. I am not closed minded to something better it's just that sometimes a complicated life takes the easy path.
#32 of 48
Re: Recommended Jeep Liberty Diesel Oil [siberia] by caribou1
May 10, 2007 (7:38 am)
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Replying to: siberia (May 10, 2007 2:41 am)

Siberia,
Some time ago I posted these pictures:
http://richard.fortin.free.fr/KJ_diesel/Corps_filtre.jpg
http://richard.fortin.free.fr/KJ_diesel/Purge.jpg
You will see the two connectors on the bowl.
The fuel heater is a 3/4 turn ring element that is fixed inside the bowl.
The filter cartridge has an empty volume (recess) built in just above the heater element.
#33 of 48
Re: Recommended Jeep Liberty Diesel Oil [caribou1] by siberia
May 10, 2007 (3:59 pm)
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Replying to: caribou1 (May 10, 2007 7:38 am)

Right! That's what I thought you meant. The US CRD has 3 plugs (1 on the filter, 2 on the housing) and the primer that I'm sure you have seen in pictures also. With the Racor pictured I end up with and extra plug (or am I missing one?), no primer and have to possibly modify the wiring. The thing that I like about the Racor is the clear bowl that allows contaminants other that water to be seen. Thanks for reposting the pictures, I have 12k miles to think about it.
#34 of 48
Re: Recommended Jeep Liberty Diesel Oil [siberia] by caribou1
May 10, 2007 (11:16 pm)
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Replying to: siberia (May 10, 2007 3:59 pm)

The dirty looking white knob located on top of the filter mount/housing is a priming pump. It works like a bicycle pump and has an o-ring under the knob to seal it off when screwed in. Then you have access to the check valve under the white plastic screw/cap located in front of the priming pump. You can replace or clean it if your fuel returns to the tank.
The Parker filter housing is accessible and repairable. Yours is quicker to prime, every 40,000 miles
When you buy the marine version, the mount/housing is painted beige. DC saved a penny by not painting it.
#35 of 48
Re: Recommended Jeep Liberty Diesel Oil [caribou1] by siberia
May 12, 2007 (6:55 pm)
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Replying to: caribou1 (May 10, 2007 11:16 pm)

Thank you for going the extra kilometer on you explanation. The US CRD fuel filter heater is sandwiched between the filter and the filter head. This is the only image that I could find of it and the unit is fried. You can see where the other connector goes - fuel temperature sensor to operate heater relay?
 
http://img215.imageshack.us/my.php?image=1000330cp2.jpg
 
Please take a look at the catalogue below specifically page 9.
 
http://www.usdieselparts.com/pdf/pdf/Section01.pdf
 
Is that your unit, model 230R, using R20S 2 micron cartridge and “Heater and See-thru Bowl”? Racor tells me that they think the R20S will fit on the US CRD filter head. If that is the case I can get by just buying the R20S cartridge and a non-heater see-thru bowl and install my existing water sensor. I am going to order the parts and find out.
#36 of 48
Re: Recommended Jeep Liberty Diesel Oil [siberia] by caribou1
May 13, 2007 (12:09 am)
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Replying to: siberia (May 12, 2007 6:55 pm)

230R_P_12 is what I have. It's flawless.
If you retrofit this on your truck, spend the extra dollar on the purchase of two stainless steel elbow fittings ("Swagelock" or equivalent) for the fuel hoses.
You were lucky not to set fire with the fried connector
#37 of 48
Re: Recommended Jeep Liberty Diesel Oil [caribou1] by siberia
May 13, 2007 (5:58 am)
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Replying to: caribou1 (May 13, 2007 12:09 am)

Well, someone was lucky. I borrowed the pic from another site. I hope that does not become a common failure.
#38 of 48
Re: Recommended Jeep Liberty Diesel Oil [siberia] by nescosmo
May 13, 2007 (10:15 pm)
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Replying to: siberia (May 12, 2007 6:55 pm)

Siberia.... Let me know how you comeback with this adaptation and if you do; what about the bleeding port, you know that air is a comun issue on the CRD.

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