Coolant flush procedure
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Tuned
Joined: Mar 2013
Posts: 418
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Coolant flush procedure
I just recently got a used 6.2 and in the past I have anyways gone through a used vehicle purchase with a complete maintenance procedure. It makes me feel better, I love having an extremely well maintained vehicle.
That said, how should I go about flushing the coolant system? I know this is an extremely important procedure on my 6.0.
How many gallons is the capacity? I have a couple things I am considering
.
Option 1.- Drain, fill with a 50/50 mix. Get it up to temp, then drain and refill. So two drains and call it good.
Option 2- drain, fill with distilled, get it up to temp,drain. Repeat this procedure until it is 100% distilled then drain and add the appropriate amount of concentrate to achieve a 50/50 mix ( I'll need to know the overall system capacity)
Option 3- which is what I'm thinking- this would be the same as option 2, but with a Ford vc-1 chemical flush in the beginning.
Option three is what I do on my 6.0 but with Ford vc-9 flush.
The truck has 78k on it and I plan on doing this at 80k. Is there any other maintenance items I should consider with this mileage?
That said, how should I go about flushing the coolant system? I know this is an extremely important procedure on my 6.0.
How many gallons is the capacity? I have a couple things I am considering
.
Option 1.- Drain, fill with a 50/50 mix. Get it up to temp, then drain and refill. So two drains and call it good.
Option 2- drain, fill with distilled, get it up to temp,drain. Repeat this procedure until it is 100% distilled then drain and add the appropriate amount of concentrate to achieve a 50/50 mix ( I'll need to know the overall system capacity)
Option 3- which is what I'm thinking- this would be the same as option 2, but with a Ford vc-1 chemical flush in the beginning.
Option three is what I do on my 6.0 but with Ford vc-9 flush.
The truck has 78k on it and I plan on doing this at 80k. Is there any other maintenance items I should consider with this mileage?
Logistics Pro
Joined: Apr 2000
Posts: 4,334
Likes: 306
From: Mills River
What year is your "new to you" truck?
The owner's manual contains a fair amount of information regarding capacities and maintenance. For example, page 411 in the 2012 OM (4th printing) specs the 6.2's coolant capacity at 21.3 quarts of Motorcraft Orange 50/50 coolant.
Searchable pdf versions of the OM's can be downloaded from Ford's website.
If you can find 100% coolant, I like Option 2. If you can only find 50/50, then I like Option 1.
I'd review the maintenance schedules carefully. If you're uncertain of the maintenance history, then the 75K mile service might be in order.
HTH,
Jim / crewzer
The owner's manual contains a fair amount of information regarding capacities and maintenance. For example, page 411 in the 2012 OM (4th printing) specs the 6.2's coolant capacity at 21.3 quarts of Motorcraft Orange 50/50 coolant.
Searchable pdf versions of the OM's can be downloaded from Ford's website.
If you can find 100% coolant, I like Option 2. If you can only find 50/50, then I like Option 1.
I'd review the maintenance schedules carefully. If you're uncertain of the maintenance history, then the 75K mile service might be in order.
HTH,
Jim / crewzer
Cargo Master
Joined: Jul 2003
Posts: 3,358
Likes: 250
Just a heads up, that Ford Orange coolant is spendy so I don't think you want to do a fill and drain with coolant. I'd drain whatever you can get out then fill with distilled water and then drain that and refill with fresh coolant. If the coolant is pretty clean I might be temped to just drain the old coolant out and fill back up with new.
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