Coolant additive needed in 02' with orange coolant??? - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 01-14-2007, 12:14 PM   #1 (permalink)
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Coolant additive needed in 02' with orange coolant???

Just wanted to know if you guys can tell me if I need the additive for cavatation in my 02" with orange coolant or not, reading a lot about the different coolants on here. ?? thanks Weed
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Old 01-14-2007, 02:41 PM   #2 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

[ QUOTE ]
Just wanted to know if you guys can tell me if I need the additive for cavatation in my 02" with orange coolant or not,...

[/ QUOTE ]

I hope you don't have orange coolant - as in DexCool. That would be a huge mistake.

But most 2002 PSDs came with G-05 gold coolant, which is more a yellow color with maybe a hint of greenish-yellow color. Compared to the old green coolant, the G-05 is not green at all, but looked at by itself I see some greenish tint to mine.

The gold coolant often turns a golden brown or light tan as it ages, but it doesn't turn orangish.

Ford says the factory fill of G-05 gold coolant does not require any sort of maintenance for 5 years or 100,000 miles - other than topping off. If you have already drained/flushed/refilled the coolant with gold coolant, then that refill is good for 50,000 miles.

Only the old green coolant that was Ford factory fill before the 2002 model year requires maintenance with supplemental coolant additive (SCA).

A few 2002 PSDs came with the old green coolant. If your VIN begins with a "1", then it came with gold coolant. But if the VIN begins with a "3" and the month of assembly was in CY 2001, then it might have came with green coolant.

If someone changed your coolant and installed orange DexCool in it, then I would drain and flush your cooling system immediately. Ford says to use only the G-05 coolant, such as Motorcraft Premium Gold or Zerex G-05 coolant.
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Old 01-14-2007, 06:08 PM   #3 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

[ QUOTE ]
Just wanted to know if you guys can tell me if I need the additive for cavatation in my 02" with orange coolant or not, reading a lot about the different coolants on here. ?? thanks Weed

[/ QUOTE ]

A couple of things will give the coolant a burned gold look that is easy to mistake for orange. One is anti-leak sealing tablets that Ford installs in some of these trucks. The other is some coolant additives. But, if you have ever seen DEXCOOL it won't look that orange, like well an orange. Why don't you just flush the system thoroughly since it is almost 5 years old anyway, what is the waste 40 bucks in coolant? Check your hoses, install a coolant filter set up, new thermostat and thermostat housing, change your coolant. Sure you can use the G-05 coolant Ford supplies and recommends, it is minimally acceptable in a diesel application. That doesn't necessarily mean that it is the best thing out there for a diesel application. However, if you want it, G-05, to have the applicable nitrate percentage you will need to supplement it with a product like NAPA COOL even with new G-05 it will likely take two pints to get your nitrate up to 2.0 where you want it. The recommended change is 50K miles. Or you can just install one of many ELC coolants made and formulated specifically for diesel applications and forget about it probably for the life of the unit.
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Old 01-14-2007, 09:11 PM   #4 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

Ok, I see what you mean about color, Yeah, it is actually the gold stuff upon closer inspection that came with the truck upon production as you stated. my rig has 64.000 miles on the clock so from what you guys are saying it looks to be good for a while yet. I have it in storage in my shop doing a good check over before my tow season comes back and thought I would ask on here while it sits. thanks alot guys I appreciate the info! Weed
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Old 01-14-2007, 10:28 PM   #5 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

[ QUOTE ]
By SmokeyWren:

I hope you don't have orange coolant - as in DexCool. That would be a huge mistake.

[/ QUOTE ]

It would be ignorant to think the coolant is bad just because it's "orange".

One of the most popular G-05 coolants out there, Diamler-Chrysler Mopar G-05, is Orange. It's the same exact coolant as Ford's G-05, supplied by the same manufacturer (Valvoline/Zerex), except it's dyed Orange instead of Gold (it all starts out clear). You can read the "FAQ: HERE.


[ QUOTE ]
By SmokeyWren:

Ford says the factory fill of G-05 gold coolant does not require any sort of maintenance for 5 years or 100,000 miles

[/ QUOTE ]

Ford also never recommended testing the SCA level in the old green coolant, and we know that was bad advice.

Most diesel engine makers require testing, maintenance, and adding SCA when using the Gold. For example, Ford requires the addition of SCA to the Gold in the CAT optioned F-series trucks. John Deere publishes right on their bottle of Valvoline/Zerex G-05 (labeled as JD Cool-Gard) to test, maintain, and add SCA at least annually.

So you can act like it's maintenance-free if you want, but it isn't. In fact it will come right out of the bottle with minimum cavitation inhibitors, and they will deplete particularly as miles add up.


[ QUOTE ]
Ford says to use only the G-05 coolant, such as Motorcraft Premium Gold or Zerex G-05 coolant.

[/ QUOTE ]

No they don't. [img]/ubbthreads/images/graemlins/rolleyes.gif[/img]

For those trucks that originally came with Gold, Ford specifies a WSS-M97B51-A1 coolant, or equivalent. It doesn't have to be G-05, Motorcraft, Zerex, or Gold color.

If the truck originally came with Green, Ford specifies an ESE-M97B44-A coolant, or equivalent. It doesn't have to be Motorcraft, Zerex, or Green.
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Old 01-15-2007, 01:36 PM   #6 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

Gooch, are you saying then for peace of mind I should just test strip it and add as needed like I did with my old 95'? will my coolant accept it and work fine? Thanks Weed
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Old 01-15-2007, 08:34 PM   #7 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

Yes.

You can use something like THESE test strips to check the corrosion inhibitors. These strips are made for the G-05.

Also you can use any 2-way or 3-way test strip that indicates "Nitrite" to test for the G-05's cavitation inhibitor (the G-05 has a Nitrite-based cavitation inhibitor). Since the G-05 doesn't have Molybdate, ignore that component if your test strip has it. Shoot for about 2000 ppm Nitrite.

The G-05 is compatible with SCA additive. In fact most diesel makers recommend adding SCA to it. Ford even recommends adding it to the Gold G-05 they use in their CAT optioned F-series, as seen HERE.

There are advantages to using a better coolant. [img]/ubbthreads/images/graemlins/smile.gif[/img]
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Old 01-16-2007, 02:05 PM   #8 (permalink)
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Re: Coolant additive needed in 02' with orange coolant???

Gooch, Thats what I needed to know! Thanks much! Weed
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