Coolant Question
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Fleet Mechanic
Joined: Jan 2007
Posts: 1,293
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Coolant Question
My truck came with 'Gold' H-OAT coolant. After 8 years I had it replaced, and the shop used a non-Ford product that was also H-OAT and a similar color. Now I'm thinking of doing it again, and having had no problem at all with the cooling system/coolant after almost 8 years, I plan to stick with the H-OAT. Any comments?
4th Gear
Joined: Feb 2021
Posts: 4
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From: Souther Cal
HOAT is the way to go
Sticking with HOAT is a good idea per the owners manual .
I've used the motorcraft gold OEM and the Zerix G O5. I have had to replace the oil filter housing assembly 2x due to pitting on the coolant side of the assembly. That is the only coolant related part I have replaced at 290k.
I've used the motorcraft gold OEM and the Zerix G O5. I have had to replace the oil filter housing assembly 2x due to pitting on the coolant side of the assembly. That is the only coolant related part I have replaced at 290k.
Last edited by My06Kingranch; Jan 15, 2023 at 03:20 AM.
Hotshot
Joined: Feb 2004
Posts: 10,750
Likes: 2,587
From: The Shenandoah Valley
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