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Racor Filters

DIESEL engine, transmission and generator repair and maintenance discussion forum.
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Topic author United States of America
yardley99
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Racor Filters

Postby yardley99 » December 26th, 2017, 8:53 pm

I have Volvo Diesels in my 2005 44 MY and I keep getting a white powder built up in my Racor Filter Bowls. any ideas? once this occurs, I cant get enough fuel to reach cruise rpms.

Also, what size filters should I use? I replaced the first set which were 30 micron but im thinking of going to 10 micron. any reason this is a bad idea?

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Re: Racor Filters

Postby Viper » December 26th, 2017, 11:10 pm

Nothing wrong with going to a 10 mic but it will clog faster.
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Re: Racor Filters

Postby Midnightsun » December 27th, 2017, 6:39 am

I have been using the 10 micron variety, no issues on my setup. You did not mention which filters you have or your engines however I will assume Volvo D6 370's like I have. Here is where I purchase my filters. http://racorstore.com/racor-2040tm-or-e ... e-10m.html

Not sure what your white residue problem is but it has to come from the tank. Maybe a good cleaning fuel polish is in order?
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mjk1040
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Re: Racor Filters

Postby mjk1040 » December 30th, 2017, 6:48 am

Sulfur residue or fuel additive residue maybe. Could be someone got some high sulfur fuel somewhere?
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Re: Racor Filters

Postby km1125 » January 3rd, 2018, 8:09 pm

Wouldn't sulfur residue be yellowish? I was thinking more like an aluminum oxide from the tanks.
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Re: Racor Filters

Postby mjk1040 » January 7th, 2018, 7:28 pm

Aluminum oxide from the tanks is a good possibility.
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1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow

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