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Waxy substance in coolant out of new bottle? #4573371
11/14/17 12:33 AM
11/14/17 12:33 AM
Joined: May 2004
Posts: 2,490
Northeast
sxg6 Offline OP
sxg6  Offline OP
Joined: May 2004
Posts: 2,490
Northeast
A member at a subaru message board posted this picture, said the following:

"Hey I replaced my upper coolant hose and added Zerex coolant today. When pouring the coolant in the filter funnel I noticed a wax collecting. (see attached pic) Anyone else noticed this before?"

I'm just wondering what you guys think about this?


Re: Waxy substance in coolant out of new bottle? [Re: sxg6] #4573389
11/14/17 01:30 AM
11/14/17 01:30 AM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Shake the container before pouring it into the cooling system.

Re: Waxy substance in coolant out of new bottle? [Re: sxg6] #4573633
11/14/17 10:53 AM
11/14/17 10:53 AM
Joined: May 2007
Posts: 594
Indiana
njohnson Offline
njohnson  Offline
Joined: May 2007
Posts: 594
Indiana
I had the same thing in my bottles of Zerex Asian formula, even after shaking them well. I called Valvoline technical support and talked to a gentleman there. He said, basically, don't worry about it, it is a part of the additive package that has fallen out of suspension and it will dissolve back into the antifreeze with the heat of the engine once it is poured into the radiator and you run your car.
I still doubted, I collected some of waxy sediment, put it into a ceramic container, and heated it with our hairdryer. Sure enough, it dissolved and turned liquid.

I can understand the concern about using it, I had the same reaction, I didn't want to use it. Hence, my call to the technical support, I thought something might be wrong with the product. The technical guy reassured me it was fine, and part of the additive package.

I have used various other coolants in different vehicles and our tractors, Peak Global, Final Charge, Toyota Pink, Zerex conventional green formula, and have not seen anything like this with them. It does get your attention!

Last edited by njohnson; 11/14/17 10:54 AM.
Re: Waxy substance in coolant out of new bottle? [Re: sxg6] #4575492
11/15/17 09:24 PM
11/15/17 09:24 PM
Joined: Aug 2015
Posts: 133
Spokane ,WA
Xrs2zz Offline
Xrs2zz  Offline
Joined: Aug 2015
Posts: 133
Spokane ,WA
This also happened to me a year ago and 2 bottles had this stuff in it but dissolved after a heat cycle. It was concerning, but I figured it was ok.


2003 Toyota Matrix Xrs-207k Miles

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