Coolant spraying out of windshield nozzle??? - LotusTalk - The Lotus Cars Community
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post #1 of 3 (permalink) Old 08-11-2018, 10:33 AM Thread Starter
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Coolant spraying out of windshield nozzle???

My windshield washer sprayers don't work when pull the lever, only the wipers go back and forth automatically. That is not my issue...

After driving my car and getting it up to temp I parked in the driveway and turned off the car. A few minutes later the driver side nozzle started spraying coolant at the same amount of pressure as if it was windshield washing fluid.

Since then I was driving the car and while driving it will intermittently start spraying usually from the driver side nozzle and occasionally from the passenger side as well. The wipers do not engage so it seems like a purge of coolant from the system. The part that baffles me is that it happens anywhere from 190-200 degrees temp so it is not a result of overheating.

Does anyone know what could be happening? How does coolant even get into the same lines to even do that?
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post #2 of 3 (permalink) Old 08-11-2018, 11:02 AM
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Given that the windshield washers and coolant systems are separate, is there any chance someone connected the hose that is supposed to attach to the windshield washer pump on the bottom of the windshield washer reservoir, to the coolant expansion tank outlet instead? If so, the coolant expansion tank would be the source for the windshield washers, and if there was sufficient pressure from the cooling system, would (I think) cause coolant to come out of the windshield washers. It would also explain why your windshield washers do not otherwise work.

-- Mike
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post #3 of 3 (permalink) Old 08-11-2018, 02:11 PM
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This is hilarious. Please let us know what you find out.

I think the prior post hit the nail on the head as to the reason. Check the back of your windshield fluid tank, there should be a small rubber hose connected to the pump. If there is, you may want to switch the hose to the coolant tank and Vice versa around and see what happens.

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