Did I Screw Up? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 7 Old 07-24-2015, 04:13 AM Thread Starter
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Did I Screw Up?

Needed to put in coolant. Dealer said make sure it is orange. I went to Advance Auto. They pointed me to this http://shop.advanceautoparts.com/p/p...hTerm=prestone It was orange. Did I damage anything by topping off with it? Oh man, I am nervous now.
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post #2 of 7 Old 07-24-2015, 04:32 AM
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What year is your Jeep?
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post #3 of 7 Old 07-24-2015, 06:34 AM Thread Starter
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Quote:
Originally Posted by BigTB View Post
What year is your Jeep?
2010. I just spoke to a service adviser at the dealer. He said since the coolant I bought meets MS-9769 spec, I am fine. I didn't buy the generic all makes/models one. Since I just used some to raise the level from below minimum, it probably doesn't pay to drain the reservoir just to add OEM.
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post #4 of 7 Old 07-25-2015, 08:54 PM
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You'll be fine. The biggest issue was with mixing green (ethylene glycol) and orange (Dexcool), as it can form a sludge that will clog your cooling system.
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post #5 of 7 Old 07-25-2015, 11:44 PM
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Mixing coolants is never good. It can cause chemical reactions and sludge which cause a broken motor. This really is a big deal. We have replaced a few motors from oil change shops putting wrong stuff in for people to "top it off" sure it was the same color but what's in a color...? Nothing really. Need to read owners manual on this one. Don't trust anyone but the book. Seriously...

Last edited by Stangbuster; 07-25-2015 at 11:45 PM.
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post #6 of 7 Old 07-26-2015, 12:27 PM
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Google HOAT vs OAT coolant. Figure out what your jeep is supposed to have and what you put in. Then you will know if you screwed up. Never rely on colour alone.

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post #7 of 7 Old 07-26-2015, 06:44 PM
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I use a yellow coolent. Never had any issues o.O mine is a prestone brand yellow jug too

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Nothing in my jeep is sacred, except my jelly beans and apple liquorice. Don't touch those...
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