Coolant additive
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Senior User
Joined: May 2001
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From: Texas USA
Coolant additive
Hi,
I posted a question a few days ago and some of you guys said to only buy a truck if the owner has used a coolant additive.
I am wondering if I buy one were they havent used an additive, how long do you think the engine will last if I start useing an additive in it. I am looking at an 89 F250 with 130,000 miles on it.
Thanks,
Richard.
I posted a question a few days ago and some of you guys said to only buy a truck if the owner has used a coolant additive.
I am wondering if I buy one were they havent used an additive, how long do you think the engine will last if I start useing an additive in it. I am looking at an 89 F250 with 130,000 miles on it.
Thanks,
Richard.
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Coolant additive
You might do a coolant system pressure check for starters to check for cavitation, check coolant for oil and oil for coolant. If the engine has 130k on it and the FW-16 wasn't added I don't think I would buy it. I don't believe there is an easy way to see how much if any damage has been done. I have heard the engine can start cavitating as early as 70k.
Les
Les
New User
Joined: Feb 2001
Posts: 22
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Coolant additive
I am curious about the coolant additive fw-16? Where do you get it, what does it do, How often do you add it, Howoften should your coolant be changed? I would appriceiate any help you could offer.
Thanking you in advance for any help you could give me concerning this mater.
Thanking you in advance for any help you could give me concerning this mater.
New User
Joined: Aug 2001
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Coolant additive
FW-16 is a coolant additive that is offered by your local dealership. The FW-16 is not a product, but a motorcraft part number for a product. It is always great to us a factory certified product but there are also several name brand manufacturers out there that offer coolant additive at local parts stores. It is hard to say when to change your coolant. This can only be determined by the severity of the duty that the truck is worked. Try adding the coolant additive atleast twice a year. It is a very cheap alternative to engine failure.
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Joined: Feb 2001
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From: Indianapolis
Coolant additive
We did a study at the plant on cavitation in the 6.9/7.3 IDI engine and the conclusion was that cavitation wasn't much of a problem except on severe service engines. The harder they were worked over a long period of time the more likely they were to suffer the effects of cavitation. Navistar school buses were the worst.
More Turbo
Joined: Nov 2000
Posts: 715
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From: Erie, PA
Coolant additive
I agree with Joe, If the guy only used it as a daily driver and used it to haul small loads, Then I would go for it. If it was used to pull a 5th wheel or anything heavy then I would have second thoughts.
1986 F-250 6.9 diesel,4x4,XLT Lariat,Ex Cab, 8'bed,etc...
1986 F-250 6.9 diesel,4x4,XLT Lariat,Ex Cab, 8'bed,etc...
FTE Leadership Emeritus
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From: Southern California
Coolant additive
joe, what exactley is 'cavitation'?
Is it oxygen pitting of the metal, or caused by turbulent flow? Is the factory additive an oxygen scavenger, or a corrosion inhibiter?
I'm curious, because when we speak of cavitation at work, we are reffering to a centrifugal pump that has lost it's suction head or the fluid is beginning to flash to gas inside the pump. This causes either surging or complete loss of output and can lead to damage of the mechanical seals.
Scott
Is it oxygen pitting of the metal, or caused by turbulent flow? Is the factory additive an oxygen scavenger, or a corrosion inhibiter?
I'm curious, because when we speak of cavitation at work, we are reffering to a centrifugal pump that has lost it's suction head or the fluid is beginning to flash to gas inside the pump. This causes either surging or complete loss of output and can lead to damage of the mechanical seals.
Scott
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Coolant additive
Scott, this link should answer your questions.
http://www.freeautoadvice.com/diesel/cav.html
Rob
http://www.freeautoadvice.com/diesel/cav.html
Rob
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From: Southern California
Coolant additive
rob_nc, thanks for the link.
Okay, I understand now. We use the same type of chemical treatment program on our high pressure steam boilers at work. When we open them up for inspection, they are covered with a nice soft black residue, which is good. If it's red, that's bad.
Wihout the proper chemical protection, the interior walls of the steam generating tubes will get pitted from the water flashing into steam. (Sort of a crater from a mini explosion).
PSD:
P ressure
S team
D egenerator
;-)
Thanks,
Scott
Okay, I understand now. We use the same type of chemical treatment program on our high pressure steam boilers at work. When we open them up for inspection, they are covered with a nice soft black residue, which is good. If it's red, that's bad.
Wihout the proper chemical protection, the interior walls of the steam generating tubes will get pitted from the water flashing into steam. (Sort of a crater from a mini explosion).
PSD:
P ressure
S team
D egenerator
;-)
Thanks,
Scott
New User
Joined: Sep 2001
Posts: 2
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Coolant additive
The manual says to add coolant additive every 15000 miles. Will it be detrimental to the motor to add the additive without using the test strip that I have heard so much about. Thanks from a new PSD owner.
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