VC-9 question?
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Posting Guru
Joined: Dec 2012
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From: SW Ohio
VC-9 question?
I stopped by my local dealer today and picked up new block drain plugs, water separator drain plug and QUART 
of VC-9. They didn't have any smaller bottles of VC-9.
I read the back of the bottle and it says not to exceed more than 10% of the cooling system capacity with the VC-9 . Does this mean that I calculate what 10% of the cooling system volume is and measure out that amount of VC-9?
To the techs on the board what is the down side if I use to much VC-9?
I am hoping to flush the cooling system this weekend.
of VC-9. They didn't have any smaller bottles of VC-9. I read the back of the bottle and it says not to exceed more than 10% of the cooling system capacity with the VC-9 . Does this mean that I calculate what 10% of the cooling system volume is and measure out that amount of VC-9?
To the techs on the board what is the down side if I use to much VC-9?
I am hoping to flush the cooling system this weekend.
Lead Driver
Joined: Feb 2011
Posts: 8,241
Likes: 155
From: L.A. (Lower Alabama)
Yup, two quarts 
. Here's a couple of good videos if you haven't seen them. I would add flush with distilled water a couple of times after it's clean so it would end up with coolant and distilled as the final fill.
Sr master tech coolant flush
Part 1.
Part 2.
. Here's a couple of good videos if you haven't seen them. I would add flush with distilled water a couple of times after it's clean so it would end up with coolant and distilled as the final fill.Sr master tech coolant flush
Part 1.
Posting Guru
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I think that's a bad idea without using Restore first to clear the silica gel. If you have silica gel plugged up in the oil cooler, radiator, heater core and you run VC-9 through to flush the rust and iron scale, it will just block it up more and you'll be replacing the oil cooler. Just my opinion, but I'm new to Diesels. Good Luck OP.
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Cargo Master
Joined: Jun 2007
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From: Roseburg, OR
I think that's a bad idea without using Restore first to clear the silica gel. If you have silicate gel plugged up in the oil cooler, radiator, heater core and you run VC-9 through to flush the rust and iron scale, it will just block it up more and you'll be replacing the oil cooler. Just my opinion, but I'm new to Diesels. Good Luck OP.
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Posting Guru
Joined: Dec 2012
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From: SW Ohio
Well since I have to do an oil cooler anyway worrying about plugging up the oil cooler is a moot point.
I have had this truck a little under a year now and it appears it is not Ford Gold coolant in it.
I will look at the Restore product this weekend when I pick up the Zerex Coolant and the 50 gallons of distilled water.
I have had this truck a little under a year now and it appears it is not Ford Gold coolant in it.
I will look at the Restore product this weekend when I pick up the Zerex Coolant and the 50 gallons of distilled water.
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 25
From: Middle Tn.
Well since I have to do an oil cooler anyway worrying about plugging up the oil cooler is a moot point.
I have had this truck a little under a year now and it appears it is not Ford Gold coolant in it.
I will look at the Restore product this weekend when I pick up the Zerex Coolant and the 50 gallons of distilled water.
I have had this truck a little under a year now and it appears it is not Ford Gold coolant in it.
I will look at the Restore product this weekend when I pick up the Zerex Coolant and the 50 gallons of distilled water.
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