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Windshield washer fluid in coolant reservoir

  

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I have a 2019 Subaru Outback 2.5i 108k miles

I've been busy with work and was about 2,000 miles overdue for an oil change, so I went to Farm & Fleet to get one. Thursday afternoon, I did a longer drive than normal, about 55 miles. I needed to add some washer fluid, so when I finished driving, I opened the hood and found my coolant extremely full. The liquid in the coolant reservoir was blue, whereas before it was universal green, as a body shop put in universal green when I hit a deer about 8 months ago. My washer fluid was empty, so I believe they added washer fluid to the coolant reservoir. When I called, they said they only fill washer fluid. They said I could come in, and after checking the cameras, they did see that someone filled it with washer fluid. As it is still separated from coolant and washer fluid, they are taking out the reservoir, emptying it all out, rinsing it, and then filling it with the correct coolant. They also drained the radiator and put in Peak Asian blue coolant. Do I need to worry about it mixing with the universal green?

 

 


5 Answers
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Posted by: @subielover

If I remember correctly I had green P-HOAT coolant in there and the shop filled with Blue POAT, is that still good?

Scotty does not usually return to topics he has already answered.

If concerned, simply flush out the cooling system to get rid of what's in there and replace it with the coolant that Subaru specifies for that vehicle.


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Posted by: @subielover

so I went to Farm & Fleet to get one. Thursday afternoon, I did a longer drive than normal, about 55 miles. I needed to add some washer fluid, so when I finished driving, I opened the hood and found my coolant extremely full.

Now. I understand you're busy. But going to a chain shop is not the best thing for your car- your story is sadly far too common with chain shops. Try and locate an independent mechanic in your area as these types of mistakes are far less likely to occur there


@fishingandcarsenthusiast123 not true I normally go to the dealership or an independent I just really needed it done as I can tell it was in the best


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Posted by: @subielover

not true I normally go to the dealership or an independent

It most definitely is true about not taking your car to a 5-minute oil change chain store. You don't need ASE mechanic certification to change oil. Those stores rely on cheap labor (people with minimal experience with cars) to keep their labor cheap. Cheap labor means they can sell you oil changes for cheap, otherwise, they wouldn't be in business. 

Never go to any Jiffy Lube-style garage if you value your car. Google Jiffy Lube Horror Stories, and you'll see what I mean. 

Posted by: @subielover

I just really needed it done as I can tell it was in the best

An oil change is an oil change. Providing the " tech" used spec oil, it was filled properly, put in the oil filter specified for your car, and he screwed the new filter on properly, you will not notice a difference in "quality." A woman I knew asked my step dad to change her oil, and he immediately noticed the oil filter wasn't screwed on all the way when he took the old oil filter off. The last time she had it done, she went to a 5-minute oil change joint. It can and does happen. 

If you cannot do your own oil changes, only use an independent mechanic, not a dealer, and definitely not a 5-minute oil change joint. 


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No, you don't have anything to worry about. Windshield fluid is just alcohol and water. It wouldn't really hurt it anyways as long as only a small amount


@scottykilmer
HI, Scotty, they added so much, that they filled the overflow reservoir almost to the top with washer fluid, so way pasted the full mark. The green coolant at the bottom of the reservoir, seemed to have not mixed with the blue washer fluid as I was able to the see separated colors. If I remember correctly I had green P-HOAT coolant in there and the shop filled with Blue POAT, is that still good?


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Posted by: @subielover

If I remember correctly I had green P-HOAT coolant in there and the shop filled with Blue POAT, is that still good?

Scotty does not usually answer follow up questions. Now, generally speaking, if your car has green P-HOAT the shop should have used green P-HOAT rather than Blue POAT. 

Now echoing Scotty’s previous comment, as long as it was a small amount you should be fine. 


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