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Ford Antifreeze Change Interval #4539913
10/11/17 08:32 AM
10/11/17 08:32 AM
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
ssamaroo01 Offline OP
ssamaroo01  Offline OP
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
Why does Ford recommend the first antifreeze change at 100k and then 50k after that? Is there something special about the factory fill? Perhaps an additional additive that makes it last longer? I'm at 73k now and I'm wondering if I should just go ahead and do a drain and fill at my next oci @75k or wait until about 90k. My car uses VC-3 orange.

Also, is it a good practice to replace the thermostat when doing a drain and fill of the cooling system or is it one of those "if it ain't broke, don't fix it" type of parts.


2015 Fusion Titanium AWD 2.0L Ecoboost 103k
2012 Escape Limited 2.5L Duratec 42k
2000 E-250 4.2L 90k
MC FS W/ MC Filters
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4539940
10/11/17 08:59 AM
10/11/17 08:59 AM
Joined: May 2005
Posts: 10,287
ROCHESTER, NY
Char Baby Online content
Char Baby  Online Content
Joined: May 2005
Posts: 10,287
ROCHESTER, NY
The only things that I can think of for the 100K change is the fact that it was an all brand new cooling system, engine, water pump, radiator etc. And too, that no air has yet entered the system. Now at 100k miles they must feel that enough of the coolant has broken down to warrant a replacement. Other will chime in with more info.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4539944
10/11/17 09:04 AM
10/11/17 09:04 AM
Joined: Sep 2010
Posts: 7,567
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,567
SE Texas
I had gold in my 2010 and did not change it for 5 years/150K and it was "ok", but I probably should have changed it at 125K. I believe that you are fine to go the full 100K miles.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4539950
10/11/17 09:09 AM
10/11/17 09:09 AM
Joined: Jan 2017
Posts: 632
Melbourne, Florida
RichardS Offline
RichardS  Offline
Joined: Jan 2017
Posts: 632
Melbourne, Florida
I'm with Char, unless you find a way to completely drain, flush, and refill the system, they're anticipating some of the old coolant will linger, and affect the chemistry of the replacement coolant that you've added.

Or they've picked 100k to limit the necessary services for the first/second owner, thereby reducing cost-of-ownership, but set 50k from there to extend serviceable life of aging parts.


2008 Dodge Caliber SE 2.0 117k
4qt Imeditsu 0w-20, 1/2qt Mobil SS 5w-20 Fram HM

2003 Buick Century 107k
4.5q Havoline 5w-30 HM Fram XG
Re: Ford Antifreeze Change Interval [Re: RichardS] #4539957
10/11/17 09:16 AM
10/11/17 09:16 AM
Joined: Sep 2002
Posts: 2,276
VA
Gebo Offline
Gebo  Offline
Joined: Sep 2002
Posts: 2,276
VA
Originally Posted By: RichardS
Or they've picked 100k to limit the necessary services for the first/second owner, thereby reducing cost-of-ownership, but set 50k from there to extend serviceable life of aging parts.

I'm with RichardS. Sorta like lifetime transmission fluid. I'd change at 50.


'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 58K
Amsoil in all engines, transmissions and differentials

Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4539996
10/11/17 09:51 AM
10/11/17 09:51 AM
Joined: Dec 2014
Posts: 1,671
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,671
'murica
It's because they don't trust whoever is doing the coolant change to perfectly bleed the system and not allow contaminants in.

It's the same reason that OEMs use snap-head bolts on certain critical applications where techs just aren't likely to use a torque wrench.

Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4540132
10/11/17 12:01 PM
10/11/17 12:01 PM
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
ssamaroo01 Offline OP
ssamaroo01  Offline OP
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
Thanks for the advice. I guess I'll wait until 90k when I perform major service to drain and fill the cooling system.


2015 Fusion Titanium AWD 2.0L Ecoboost 103k
2012 Escape Limited 2.5L Duratec 42k
2000 E-250 4.2L 90k
MC FS W/ MC Filters
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4540195
10/11/17 01:04 PM
10/11/17 01:04 PM
Joined: Jul 2017
Posts: 1,292
Douglas County, Colorado
bigj_16 Offline
bigj_16  Offline
Joined: Jul 2017
Posts: 1,292
Douglas County, Colorado
Originally Posted By: ssamaroo01
Why does Ford recommend the first antifreeze change at 100k and then 50k after that? Is there something special about the factory fill? Perhaps an additional additive that makes it last longer? I'm at 73k now and I'm wondering if I should just go ahead and do a drain and fill at my next oci @75k or wait until about 90k. My car uses VC-3 orange.

Also, is it a good practice to replace the thermostat when doing a drain and fill of the cooling system or is it one of those "if it ain't broke, don't fix it" type of parts.

How much have you added over the time you have had it?

Re: Ford Antifreeze Change Interval [Re: bigj_16] #4540233
10/11/17 01:30 PM
10/11/17 01:30 PM
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
ssamaroo01 Offline OP
ssamaroo01  Offline OP
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
Originally Posted By: bigj_16
Originally Posted By: ssamaroo01
Why does Ford recommend the first antifreeze change at 100k and then 50k after that? Is there something special about the factory fill? Perhaps an additional additive that makes it last longer? I'm at 73k now and I'm wondering if I should just go ahead and do a drain and fill at my next oci @75k or wait until about 90k. My car uses VC-3 orange.

Also, is it a good practice to replace the thermostat when doing a drain and fill of the cooling system or is it one of those "if it ain't broke, don't fix it" type of parts.

How much have you added over the time you have had it?


I've never added any coolant. It has always been at the right level.


2015 Fusion Titanium AWD 2.0L Ecoboost 103k
2012 Escape Limited 2.5L Duratec 42k
2000 E-250 4.2L 90k
MC FS W/ MC Filters
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4540236
10/11/17 01:32 PM
10/11/17 01:32 PM
Joined: Apr 2012
Posts: 3,159
Boston, MA
Bgallagher Offline
Bgallagher  Offline
Joined: Apr 2012
Posts: 3,159
Boston, MA
To be honest I usually change my antifreeze 5 years regardless of miles. A simple drain and fill with 50/50 will refresh the lubricants etc. in the cooling system and gives me a peace of mind


2017 Chevy Traverse - 28k - Delco Dexos 1 and PF63
2014 Chevy Equinox - 22k - Delco Dexos 1 and PF457G
2015 GMC Terrain - 22k- Delco Dexos 1 and PF457G
Re: Ford Antifreeze Change Interval [Re: Bgallagher] #4540238
10/11/17 01:35 PM
10/11/17 01:35 PM
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
ssamaroo01 Offline OP
ssamaroo01  Offline OP
Joined: Aug 2017
Posts: 60
Mt. Vernon, NY
Originally Posted By: Bgallagher
To be honest I usually change my antifreeze 5 years regardless of miles. A simple drain and fill with 50/50 will refresh the lubricants etc. in the cooling system and gives me a peace of mind


I do that with my wife's Escape since she only drives about 8k per year. I drive a lot - about 30k per year. I bought my Fusion new in April of 2015 and I am currently at 73k.


2015 Fusion Titanium AWD 2.0L Ecoboost 103k
2012 Escape Limited 2.5L Duratec 42k
2000 E-250 4.2L 90k
MC FS W/ MC Filters
Re: Ford Antifreeze Change Interval [Re: Bgallagher] #4540374
10/11/17 03:44 PM
10/11/17 03:44 PM
Joined: Jun 2014
Posts: 2,475
Phoenix, Arizona - USA
SirTanon Offline
SirTanon  Offline
Joined: Jun 2014
Posts: 2,475
Phoenix, Arizona - USA
Originally Posted By: Bgallagher
To be honest I usually change my antifreeze 5 years regardless of miles. A simple drain and fill with 50/50 will refresh the lubricants etc. in the cooling system and gives me a peace of mind


I'd say the 5-years thing would work for a lot of people, but not for everyone, especially when dealing with G-05/Motorcraft Premium Gold, which is rated at 5-years and 100,000 miles. For me, 5 years of driving amounts to roughly 150,000 miles, which would be too long for a standard HOAT like G-05.

Add to that the fact that if you're already at the 5-year/100,000 mile limit for said HOAT, and you only drain-and-fill to replace with fresh stuff, you're not going to get all the old stuff out.. probably leaving about 40-50% of the old stuff.. then the "refreshed" coolant will really only be good for about 2.5-3 years and 50k-60k miles, at most.

If you really want to get another full 5 years and 100,000 miles out of the new fill, then I'd say at least ONE flush will be in order.


2010 Ford Fusion SE - 2.5 liter/6F35 Trans - 262,000mi
2014 Nissan Altima SL - 2.5 liter/CVT - 57,000mi
Re: Ford Antifreeze Change Interval [Re: ssamaroo01] #4540473
10/11/17 06:06 PM
10/11/17 06:06 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Forget what they recommend and change it every year.

Re: Ford Antifreeze Change Interval [Re: Merkava_4] #4540678
10/11/17 09:00 PM
10/11/17 09:00 PM
Joined: Sep 2010
Posts: 7,567
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,567
SE Texas
Originally Posted By: Merkava_4
Forget what they recommend and change it every year.
Complete waste of time and money.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Ford Antifreeze Change Interval [Re: 2015_PSD] #4541282
10/12/17 03:18 PM
10/12/17 03:18 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: 2015_PSD
Complete waste of time and money.


What about acid build up that can eat away at your engine's gaskets ? Also, if I see junk sticking to the walls of the overflow bottle, that's another indication the coolant needs changed out.

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