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#4695185 - 03/14/18 11:13 PM Anyone running a coolant filter on a gas engine
Linctex Offline


Registered: 12/31/16
Posts: 5606
Loc: Waco, TX
Lots of diesel guys do....

Is Anyone running a coolant filter on a gasoline engine?
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#4695193 - 03/14/18 11:24 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
Leo99 Offline


Registered: 03/30/14
Posts: 2864
Loc: NJ
I've never heard of such a thing. What needs to be filtered out of coolant?
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#4695195 - 03/14/18 11:26 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
mattwithcats Online   sleepy


Registered: 06/13/13
Posts: 1613
Loc: Virginia
WIX Filters - 24019 Heavy Duty Filter Mounting Base, Pack of 1 https://www.amazon.com/dp/B000CSINYU/ref=cm_sw_r_cp_tai_6sfKAb5DG2G1K

Filter is 24070 for the large, 24069 for the small coolant filter
Stay away from the 24071-24075, they contain additives...

Also can be found at Napa...
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#4695227 - 03/15/18 12:54 AM Re: Anyone running a coolant filter on a gas engine [Re: Leo99]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5227
Loc: Fort Lauderdale, FL
Originally Posted By: Leo99
I've never heard of such a thing. What needs to be filtered out of coolant?


Unless an engine was manufactured and maintained 100% correctly, there is a lot that might need to be filtered out of coolant.

In my case, rust flakes, stop leak flakes, and whatever the heck else I have seen that I can't identify.

My case was also one of a poorly maintained cooling system. Florida has a lot of vehicle owners who subscribe to the "you don't need antifreeze in Florida" mentality, not realizing they are inviting electrolytic corrosion.

I flushed all of the offending engines "until clear" many times, and the scum always came back.

Friend of mine had it so bad, that he could count of his heater core blocking after 6 months, even after doing CLR and citric acid flushes. Coolant filter saved him from ever having to do that again. We poked out the rubber "orifice" limiter, and ran it as a full flow filter leading into his heater core. The filter would plug about every 2 months instead, until it finally stopped after 4 filter changes.

Casting sand escaping from the casting after manufacture is another problem that can occur. Chrysler and Ford have had their own adventures with this. Lot of Jeep owners install coolant filters to prevent this from blocking their heater cores.

Some cars (Honda) get blocked cores for no good reason at all, and have TSBs advising CLR flush to fix this problem. Coolant filter stops that from ever happening.

Basically, a coolant filter is something for the trash to clog, rather than your heater core, if there is indeed trash in your system. Apparently, even though most vehicles will never need such a thing, no vehicle is automatically excluded from this, mostly due to casting sand issues.
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#4695253 - 03/15/18 02:29 AM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
das_peikko Offline


Registered: 01/01/18
Posts: 410
Loc: San Antonio, TX
I didn't know there was such a thing. I sure wish there was a way to catch the "debris" that gets stuck to the inside wall of the reservoir tank.

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#4695412 - 03/15/18 08:50 AM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
bullwinkle Offline


Registered: 10/09/04
Posts: 7469
Loc: Cincinnati, OH, USA
If you have an older gas engine (or diesel) that had neglected green AF in it, a coolant filter can help catch all the silicate drop out that collects in the nooks & crannies of a cooling system, that can be difficult to completely remove without flushing numerous times. On a newer gas engine, unless coolant has been mixed (like Dex with something else), I don't think it would catch a lot.
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#4695680 - 03/15/18 01:20 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
E150GT Offline


Registered: 03/11/12
Posts: 1037
Loc: San Antonio, TX
Ive always wanted to do it in my truck but I never have.
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#4695745 - 03/15/18 02:27 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
MinamiKotaro Offline


Registered: 08/01/12
Posts: 1306
Loc: TN
I've got one on the Saturd and the old van. The one on the van removed about a pound of "mud" in about a week. I'm not even exaggerating, the canister was nearly full. I'm no expert but it was probably good to get that stuff out.


Edited by MinamiKotaro (03/15/18 02:30 PM)
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#4695867 - 03/15/18 04:23 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
SHOZ Offline


Registered: 06/28/03
Posts: 5601
Loc: Illinois
I ran one on my Gen Coupe 2L for a year. It didn't need it and I took it off. Got one for sale. smile
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#4696152 - 03/15/18 09:31 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
Linctex Offline


Registered: 12/31/16
Posts: 5606
Loc: Waco, TX
Originally Posted By: das_peikko
I didn't know there was such a thing. I sure wish there was a way to catch the "debris" that gets stuck to the inside wall of the reservoir tank.


EXACTLY.

I have washed mine out twice, and I keep thinking "where does all this scummy goo keep coming from?"

I have been given (I love free stuff!) and aluminum base (11/16" thread?) and a brand new Fram PR3909.
It DOES appear to have an additive "pill" inside the filter.... Is that a bad thing?

I use plain green coolant 50/50, and usually flush and fill every 3 years.
I always pull the reservoir and try to clean it out the best I can.


Originally Posted By: MinamiKotaro
The one on the van removed about a pound of "mud" in about a week. I'm not even exaggerating, the canister was nearly full. I'm no expert but it was probably good to get that stuff out.


Dis you post that in a thread here a few months ago?
I seem to recall that - and I was SURPRISED to see THAT MUCH gunk!!!
_________________________
"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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#4696174 - 03/15/18 10:07 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
Linctex Offline


Registered: 12/31/16
Posts: 5606
Loc: Waco, TX
I have been reading a bit online.....

Apparently, a coolant filter with a Supplemental Coolant Additive (SCA) included inside is a BAD thing - - it can cause silicates to drop out of the coolant and make a nasty sludge (usually caught by the filter, though?)

I really don't know EXACTLY what coolant is in my engine (I know it is not G-05)....
It's just plain yellow bottle Prestone. I don't know if that compatible with the filter or not.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
#4696178 - 03/15/18 10:11 PM Re: Anyone running a coolant filter on a gas engine [Re: Linctex]
Linctex Offline


Registered: 12/31/16
Posts: 5606
Loc: Waco, TX


https://www.aftermarketsuppliers.org/councils/FMC/filter-faqs/heavy-duty-coolant-filter

Q: What happens if the coolant system is overcharged with additives?
A: Over charging or over concentrating a coolant system with additives will result in the formation of solids. These solids will form deposits that drop out and clog passage ways in the system preventing proper heat transfer. These solids are also very abrasive and will permanently damage surfaces they come in contact with. If a coolant filter is in use, it will be quickly plugged up.

Q: Should I consider using coolant filters on gasoline engines?
A: Yes. The overall up time and usability of gasoline engines can be greatly increased by treating the coolant systems used with gasoline engines the same way diesel systems are.
Due to the total capacity of most gasoline engine coolant systems, the use of a liquid SCA and an additive free filter is recommended.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
#4696297 - 03/16/18 04:06 AM Re: Anyone running a coolant filter on a gas engine [Re: DoubleWasp]
Garak Offline


Registered: 12/05/09
Posts: 24051
Loc: Regina, Saskatchewan, Canada
Originally Posted By: DoubleWasp
In my case, rust flakes, stop leak flakes, and whatever the heck else I have seen that I can't identify.

My case was also one of a poorly maintained cooling system. Florida has a lot of vehicle owners who subscribe to the "you don't need antifreeze in Florida" mentality, not realizing they are inviting electrolytic corrosion.

Yes, generally it's BITOG OCD, but when it something that comes in handy for a certain application, it definitely comes in handy.
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