Never had a problem with any sort of overflow I myself didn't spill. 
Windshield washer reservoir
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Joined: Jun 2016
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From: Washington DC
Windshield washer reservoir
I recently purchased a new C7 Stingray. What a wonderful car. I was making the rounds under the hood to check the fluid levels. What I am most interested in in the windshield washer reservoir tank. They say to fill it up when outside temperature warm and 3/4 full when cold. My filler tube and reservoir (I can't see it) appear to be black plastic. Consequently, I can't see how much fluid is in the tank. Is there a way to know how much is in there? I haven't seen a message in DIC that it is low and the mechanism seems to be working well.
thanks for info,
Tom Faust
thanks for info,
Tom Faust
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Joined: Aug 2015
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From: Toronto
I can't answer that... but interesting question. I can't see why you can't fill up the tank to full if you use windshield washer fluid that has an anti freezing agent. Its not like the liquid will expand that much in the cold.
Don't take my word for it though...
Don't take my word for it though...
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Joined: Jun 2016
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From: Washington DC
Tom
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From: Washington DC
Thread Starter
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Joined: Jun 2016
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From: Washington DC
Perfect! Will do. Live in Potomac and work at Georgetown as a liver transplant physician. Have a good weekend. Black on black; sweet. I have a torch red on black.
Racer
Joined: Mar 2014
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From: Marco Island FL
I recently purchased a new C7 Stingray. What a wonderful car. I was making the rounds under the hood to check the fluid levels. What I am most interested in in the windshield washer reservoir tank. They say to fill it up when outside temperature warm and 3/4 full when cold. My filler tube and reservoir (I can't see it) appear to be black plastic. Consequently, I can't see how much fluid is in the tank. Is there a way to know how much is in there? I haven't seen a message in DIC that it is low and the mechanism seems to be working well.
thanks for info,
Tom Faust
thanks for info,
Tom Faust
three-quarters full when it is
very cold. This allows for fluid
expansion if freezing occurs,
which could damage the tank
if it is completely full.
Unless you use a cheap washer fluid that freezes at +32 degrees, it won't be a problem in DC area as most quality products don't freeze until -20 degrees F.