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Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3324411 03/26/14 03:44 PM
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901Memphis Offline
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The earlier link was just showing an example. I think my actual filter is a Fram G15. It might not be the best filter for my application, it's just the only metal one I found with a paper element that has 3/8 barbs. I found similar ones but this was the biggest filter I found locally. I actually found this one at tractor supply because Autozone didn't seem to have this in Stock.

I am hoping it will weaken enough from the extra heat cycles that I can crack the seal with a mallet. I have seen people use the clear plastic filters with similar sized barbs but they will expand more than the metal and eventually leak. Probably a great choice for short term solid contamination removal that you can see without cutting open.

I very rarely drive my Taurus so it might be on the vehicle awhile.


2012 Chevy Cruze LT 1.4T - 69k - M1HM 5w30 + Fram Ultra
2002 Buick Century 147k - Built 4T65e(Maxlife) - GTX 5w30 + Fram XG3980
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3379495 05/23/14 06:45 PM
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yvon_la Offline
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Why a coolant filter is important ? Rofl go see any big truck,i mean any!they ALL HAVE filter.why because the heat and cold cycle create debry (yes even with truck liquid)its slower but on the million mile cycle it is quick.so to prevent particulate in the coolant to shew the engine (_like when you use a grinder)we put filter also said filter also is the excuse to have extender in said filter to prolong the life of the liquid (_wich these days is about 300k


Truck driver
Nissan versa note s 2014 total classic 5w30(qc.ca) drivework oil filter
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3400110 06/17/14 08:44 PM
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901Memphis Offline
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Less than 100 miles over two weeks of short trips ruined the plastic filter. It was fine until I did some full throttle runs to see if it would implode, it did get very wavy at full load and shortly after the next day the element came loose.

In this short time it loaded the filter good. I might do it again for the quick cleanup.

First picture is the day of the install, rest are of the removal after failure.














No leaks or anything but the filter element came loose and stopped filtering. Maybe it reached its holding capacity but I want to try it again without abusing the throttle and see how long it lasts. Also there's less contamination now that I've run two filters through it.


2012 Chevy Cruze LT 1.4T - 69k - M1HM 5w30 + Fram Ultra
2002 Buick Century 147k - Built 4T65e(Maxlife) - GTX 5w30 + Fram XG3980
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3401507 06/19/14 01:10 PM
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Olas Offline OP
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Wow! After seeing pictures like that I'm shocked, its as bad as mine was when I first got it. I'm going on about 7 or 8000 miles on the current coolant and its still crystal clear and blue, but after being reminded of the horrors I found i'm definitely getting a filter plumbed in. Thanks to everyone involved in this thread, its been super-helpful to me smile

Re: Would a coolant filter make a difference to a UCA? [Re: cheesepuffs] #3401775 06/19/14 08:27 PM
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MinamiKotaro Offline
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Originally Posted By: cheesepuffs
Why bother? 99.99% of all cars on the road don't have a coolant filter. No OEM finds them necessary so why should you?


Because I can.


1967 VW Beetle: Delo 15w40/ST4386
2004 Saturn Ion: Magnatec 5w30/DW5436
2014 Polaris Ranger 570: Delo 5-40/Wix 51356
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3407878 06/26/14 07:24 PM
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yvon_la Offline
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I ll take big truck for exemple .at one point engine faillure was bad,coolant would eat the cylinder liner and the block .they added filter.it didnt fix the problem ,later it was found that the culprit was silicate in coolant .even tho the trouble waz found coolant filter were so inexpensive that they were kept,why?on paper coolant call for distilled water now a day !since maker were afraid people would use plain tap water and basicly bring the trouble back they kept the filter ,most use premix now a day but some old school trucker mix their own so potential for problem is there .but if you use a premixed coolant and flush properly prior to new liquid?bof i doubt you will ever see the need for a coolant filter.probably better to put an engine oil cooler. 15 psi inside the coolant so make sure what you put can accept that


Truck driver
Nissan versa note s 2014 total classic 5w30(qc.ca) drivework oil filter
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3485528 09/17/14 05:44 PM
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bullwinkle Offline
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Biggest reason for a coolant filter was in the early days of SCAs, namely SCA-2, combined with old school high silicate green coolant, would drop silica out of the coolant & start filling up the cooling system with sand. The '89 IDI 7.3 in my sig had no coolant filter (nor any SCAs) when I bought it, and my first coolant filter I installed (with new coolant) picked up a decent amount of silica drop-out, the 2nd one looked a lot better. I could run G-05, or even an ELC, but my old engine's gaskets weren't designed for them, & a cheap coolant filter change with 2 units of SCA-2 once a year is keeping things looking good.


06 Ram 3500 CTD 4X4(FG Venturi), 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7 (MC), 03 Merc Grand Marquis 4.6 2V(XG2), 11 Express 3500 6.0 (Fram PH10060 for now)
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3490659 09/22/14 11:38 PM
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DoubleWasp Offline
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Why do I run a coolant filter? I bought my car with 134k miles on it. I have no idea what was the service history of it, but I could see rust, scale, and even stop-leak flakes in the coolant.

God only knows what's been done to it. So do I sit around and wait for trash to fall off and plug my system, kill my water pump, plug my heater core, or do I do something about it?

Here's a coolant filter from a vehicle that the OEM never spec'd one for:



And another:



Obviously coolant filters do something.

Benefits? If there's any crud in your system, its getting caught.

Drawbacks? Few ounces more coolant you have to use?

Granted, I've torn down plenty of engines where the original coolant left the engine mirror spotless after 150k+ miles in service, but then there's this GM 502 crate engine with 15k miles on it, that I had to use a sledgehammer and screwdriver AFTER removing the block plugs to get anything to come out. Nice when your $13k engine accidentally becomes a pseudo half-fill of hard-block.

Should you soil your drawers and bite your nails until you have a coolant filter? No.

But if you do decide to add one, you are not making a mistake.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3707779 04/22/15 02:32 PM
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carock Offline
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I will second the idea that a coolant filter is a good idea. I installed three of them on British sports cars over the years and was awestruck by how much they caught. That much debris floating around in the system cannot be good. The issue with modern cars is finding a place to put the filter. You want to plumb the filter into a bypass mode across the heater core with a 1/8 inch restriction hole in the exit line. IMHO this website is dedicated to the idea that oils determine the life of the engine, but shop experience proves that cars come in "on the hook" due to cooling issues. Keep your cooling system in A1 condition, THEN worry about your oil.
If you can find a convenient way to plumb a cooling filter into your car then do it. Go ahead and lead the pack. If you can't find a place to mount the filter then just keep the fluid fresh like you are doing.

Re: Would a coolant filter make a difference to a UCA? [Re: carock] #3711268 04/26/15 07:01 AM
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A310 Offline
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I've never done a UCA, but have installed a coolant filter on my Ford F350 with the Powerstroke engine. I've done this for longevity of the oil cooler, which over time gets plugged with debris. It saves me money and the time to take the cooler off and exchange it with a new one. Here's a picture of the filter which is a Wix 24070. Supply is from the heater inlet and returned to the degas bottle:



2009 Ford F-350 (Detroit 4-53T)
2000 Ford Excursion (Triton V10)
1993 Dodge D250 (Cummins 6BT)
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3716945 05/01/15 10:02 AM
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mattwithcats Offline
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Part numbers....

Filter base - NAPA 4019 or Wix 24019

Filter - short NAPA 4069 or Wix 24069
long NAPA 4070 or Wix 24070
The 70 is an inch longer...


2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #3782253 07/06/15 11:50 PM
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Festiva_Man Offline
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Originally Posted By: demarpaint
Originally Posted By: 901Memphis
My Taurus had debris floating in the system even after recent flushes so I put a decent sized metal fuel filter on the pressurized overflow tank right before the coolant dumps into the tank with the supplied small rubber house and clamps and now already the floating debris is all gone after very few miles on it but all the sediment is still sitting in the bottom of the tank.

I have went WOT many times and the filter seems fine still. I'd like to open this suckers sometime but it's going to stay for now.


This thread has peaked my interest for a while now. What would you use for a filter if you didn't have a pressurized overflow tank and wanted to cut into a heater hose for example? I saw inline filters but the cost seemed very high for what they were offering? I saw garden hose strainers that looked like they'd plug up in no time flat. Thanks


its expensive but look at IPR coolant filters. i put one in my car because it doesnt have a pressurized overflow, but it was a lot of money. i bought my car and the coolant was black. someone mixed green coolant, honda coolant and dexcool in it and it had all chunks floating in it. also gave me bad chemical burns when i changed the coolant which i have never gotten before from any of the may cars i have worked on. i drained the system twice but it still was black so i bought the filter kit. in addition to the black junk there was a lot of sand. look at pictures of opened up coolant filters online. guys put them on their diesel trucks after they already have 300 or 400,000km with proper coolant drains and still fill 2 filters full of sand. to me its cheaper than changing a water pump or heater core (after just doing a heater core) and changing my expensive honda coolant 10 times and still having junk in there.
i cleaned my filter at 7000km or something because of reduced heater output (it got plugged with the fine black floaties). you cant see the fine black stuff but theres aluminum and sand in this photo. i didnt realize it was plugged untill i blew air through it and it turned the shop floor black...
picture doesnt look like much but i think it mostly plugged off with the fine black junk within a few hours of driving-judging by the heater output drop- and didnt see much flow after. there was a lot of sand in the canister and elsewhere in the filter but i dont feel like uploading 100 photos..



1993 Ford festiva 421,000km fun car/daily driver
2002 Honda Civic 265,000km boring car/family car
Re: Would a coolant filter make a difference to a UCA? [Re: Olas] #4676003 02/23/18 11:37 PM
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red7404 Offline
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all those look good. i just bought Fram FR10-1 and a FR10 coolant filter. used of course. from EBay. dont have the second one yet. two target vehicles. 2001 dakota V6, toyota Avalon V6, 08.

Re: Would a coolant filter make a difference to a UCA? [Re: 901Memphis] #4690172 03/10/18 05:03 AM
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Ducked Offline
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Originally Posted By: 901Memphis
Less than 100 miles over two weeks of short trips ruined the plastic filter. It was fine until I did some full throttle runs to see if it would implode, it did get very wavy at full load and shortly after the next day the element came loose.

In this short time it loaded the filter good. I might do it again for the quick cleanup.

First picture is the day of the install, rest are of the removal after failure.






Seemed to catch stuff, but I wouldn't have expected it to be very effective there.

I'm assuming a pressurised tank (never had one IIRC) works the same as an un-pressurised tank (except being pressurised, of course)

IF this is true, excess fluid expands into the tank through the filter as the radiator heats up, but when the engine is shut off that excess is drawn back into the radiator.

I'd expect crud trapped by the filter on the inflow to be washed off again on the outflow.

What am I missing, and if the tank being pressurised makes a difference, why does it make a difference?

(IF I'm correct in thinking flow does reverse through the filter, a bypass and a couple of non-return valves might be worthwhile.)

Last edited by Ducked; 03/10/18 05:14 AM.
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