2018 ram 3500 oat not hoat question

[evldsl]

I just red in the owners manual that this truck only uses a OAT type coolant and that my HOAT(zerex G-05) type won't work in the truck is this true or are people changing it out to the HOAT type?

 

[gsbrockman]

Why would anyone change out perfectly good 10 yr / 150k coolant with not only the incorrectly spec’ed coolant but coolant with a shorter lifespan?

 

[TFucili]

Don't fight it, just buy the OEM coolant and move on. The days of everything running the same coolant are long gone. I resisted as long as I could, but had to cave in.

 

[AH64ID]

Why do you need coolant on a new truck you just bought?!

Also, most people go away from HOAT if they can, not to it. HOAT is known to not play well with others.

 

[Beast2B]

i would guess (hope?) he's just checking to see if his supply will work with his new truck. but again, stick to the oem requirement!

 

[evldsl]

Yeah I guess I will ****. An the case I have in my garage, wait, I can use it in myTJ

 

[JR]

If you have older vehicles and do a thorough flush you can use your HOAT in them . I switched my 98 and my 67 Land Cruiser over to it years back to lengthen the service intervals over the traditional ethylene glycol (green stuff).