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Fleetguard WF2074 Coolant Filter Cut Open #5270143 11/17/19 05:24 PM
Joined: Mar 2010
Posts: 49
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Pyrotechnic Offline OP
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Joined: Mar 2010
Posts: 49
I bought a coolant filter mount and it came with a new Fleetguard WF2074 filter. Unfortunately, it has DCA4 additive for a 36 gallon cooling system so I can't use it. I've always wondered what these looked like inside, so here it is cut open.

[Linked Image]

It's a paper element that seems to be stained by whatever the additive is inside. The additive seeped out.
[Linked Image]

Coil spring.
[Linked Image]

I removed the bottom plug in the element, and the center of the filter is packed full of additive.
[Linked Image]

All the additive dumped out.
[Linked Image]

Not sure if this is a date code, would be interesting to know how long this filter has been sitting around.
[Linked Image]

I didn't expect to see that much additive inside the filter. If someone installed this filter on a typical 3 to 4 gallon cooling system I have a feeling it wouldn't end well.

Re: Fleetguard WF2074 Coolant Filter Cut Open [Re: Pyrotechnic] #5270152 11/17/19 05:31 PM
Joined: Mar 2015
Posts: 13,997
53' Stude Offline
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Thanks for c&p. Hopefully diesel powered truck/semi owner operators will comment smile

Last edited by 53' Stude; 11/17/19 05:32 PM.


Re: Fleetguard WF2074 Coolant Filter Cut Open [Re: Pyrotechnic] #5270161 11/17/19 05:40 PM
Joined: Oct 2004
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bullwinkle Online Confused
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342nd day of 2012-I think that filter got wet, usually the DCA/SCA additive is in tablet form (it is in the ones I've used), I use the DCA2 additive (same as NAPA Kool) in my 7.3 IDI F-450 in my sig, usually either 4 units (WF2051 or equivalent) or a blank filter, depending on what the test strip tells me I need. 12 units is a tremendous amount!


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Fleetguard WF2074 Coolant Filter Cut Open [Re: bullwinkle] #5270393 11/17/19 11:04 PM
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Pyrotechnic Offline OP
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Originally Posted by bullwinkle
342nd day of 2012-I think that filter got wet, usually the DCA/SCA additive is in tablet form (it is in the ones I've used), I use the DCA2 additive (same as NAPA Kool) in my 7.3 IDI F-450 in my sig, usually either 4 units (WF2051 or equivalent) or a blank filter, depending on what the test strip tells me I need. 12 units is a tremendous amount!


Well the age explains it. I have no idea where or how this filter was stored, and a lot can happen in 7 years.

Re: Fleetguard WF2074 Coolant Filter Cut Open [Re: Pyrotechnic] #5270782 11/18/19 12:03 PM
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Linctex Offline
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The stuff is located AFTER the element...

Does it all dissolve itself in say, just 500 miles?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
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