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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 07-20-2011
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Default Leaking Racor Filter

I had a problem where the drain valve on the Racor filter bowl was leaking. It would leave a small stain on the pavement when parked about 3 inches around.

I purchased a new drain (all plastic, cheaper construction than the old one, but that is today's current replacement) for around $30. It came with a new O ring. I installed it and a day later it was leaking. I noticed the O ring had oozed out of the joint and was visibly protruding from the mating surfaces.

I thought I had tightened it too tight. So I took it out, installed a new O Ring and was less aggressive with the tightening. It still leaked, only worse

I then rebuilt the old drain valve (parts were included in a Racor filter full gasket set) and installed that with a new O Ring and some liquid Teflon sealer. It still leaked, and the O ring oozed out again

So I used a flat gasket from the gasket set and lots of sealer. Still no luck--I was not happy!

I finally determined that the bowl had a crack in the rear where the drain screwed in and that was the problem. So I called my local supplier to get a new bowl. He gave me a price of $43. I haven't seen anything under $90 online so I rushed over and purchased it immediately. It included a new drain valve and all necessary gaskets and O rings.


The first thing I noticed was that the O ring on the drain fit into a recess in the bowl where it screwed in. That was different from the original bowl, there was no recess. So that is why the O Ring was squeezed out when the new style drain was installed.

So new bowl, new drain, new O rings and Voilà--No more leaks.

The original new drain valve was $30+, and the new bowl with another new drain valve included was $43.

I live and learn every day.
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  #2  
Old 07-20-2011
cemjam cemjam is offline
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Thanks for the update. I will look for this if my filter starts to leak.
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  #3  
Old 07-20-2011
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Gardner,

About time you had an easy cheap fix.
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Old 08-05-2011
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Cool Racor leaking

I have a racor 900 that is leaking fuel at one of the electrical connector's on the bottom bowl, is there any way to fix this?
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  #5  
Old 08-05-2011
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Some of those Racor bowls have screw in terminals with seals, they can be tightened, but the bowl needs to be removed to repair, the bowl seal gasket is the same as the top lid gasket, Last time I checked the bowl with the wire terminals was no longer available, just the clear see through bowl.
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Old 08-05-2011
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Default Leaking Racor

Thank's Bill, that is the info that i needed . Jay
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Old 08-05-2011
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I replaced mine about 30 days ago I think it was 60 bucks. The sender inside came unglued and shorted out and was melting the turmanals going thrue the sight bowl creating a leak, fun times
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Old 08-06-2011
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Gene, where did you buy the bowl for the racor?
Jay
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Old 08-06-2011
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williams oil filter in tacoma washington in stock
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  #10  
Old 08-07-2011
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I've had a tiny little leak from the Racor as well, and it has gotten worse as I've moved it around while doing the reconstruction of the battery box and surrounding hodgepodge. At first I thought it was the drain valve, like what Gardner experienced, but now I'm not so sure.

There appears to be some leakage around the boots of the sensors (I suppose that's what they are) that look like they penetrate the bowl of the Racor 1000. The photo shows what I'm talking about.

Are these threaded into the bowl, or is there a nut on the inside? Can I just tighten them down? Is there a seal or o-ring that I might replace?

Secondary question: My brother the boat nut suggests I use a 30 micron element in the 1000, and then install a Racor 500 with a 2 micr on element as a 2nd stage of filtering. Any comments on this?
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