Chrysler 300M Enthusiasts Club
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  • Do we need to change that Long Life Coolant anyway?
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Do we need to change that Long Life Coolant anyway?

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 #353930  by Sneke_Eyez
 January 29th, 2016, 9:44 am
Glad to see you convinced yourself, Norm.
Hate to see the grime and gunk growing in your system and failures of gaskets as a result of not using the right stuff.

The HOAT coolant isn't that much more expensive when it comes down to it, especially if it prevents issues.
 #376195  by mac.os.x
 October 20th, 2018, 3:51 am
hi guys I don't know if this is correct place to post this but I have a 1999 Chrysler 300M 3.5l and I was curious is the coolant, (HOAT) you guys recommend okay in the older 300M? and if not what would you recommend I need to know color.
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 #376199  by beespecial
 October 20th, 2018, 4:06 pm
mac.os.x wrote: October 20th, 2018, 3:51 am hi guys I don't know if this is correct place to post this but I have a 1999 Chrysler 300M 3.5l and I was curious is the coolant, (HOAT) you guys recommend okay in the older 300M? and if not what would you recommend I need to know color.
Yes, HOAT type coolant is the proper antifreeze for your car. Zerex makes a HOAT coolant, it comes a gold bottle, but read the bottle to make sure you're getting HOAT.
If you currently have some other type of coolant in your car, or you don't know what it is, you should flush the system very well with distilled water to insure all the other type is removed before adding HOAT type coolant.