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Neal, Mechanic
Category: Car
Satisfied Customers: 8351
Experience:  Auto repair pro and Mechanic on multiple makes.
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when changing coolant filter..isl400 position

Customer Question

when changing coolant filter on ISL400 shutoff leaking when returned to run position. would adding stop leak stop leak.
Submitted: 5 years ago.
Category: Car
Expert:  Neal replied 5 years ago.

I'm Neal and I am here to assist you. Only accept when you are happy with my assistance. If I can't help I will open your Question to other experts.


Stop leak will probably not work.


How bad is it leaking?


Did you cycle it on and off a couple times?

Customer: replied 5 years ago.
leak about one drip every 10 seconds yes cycled
Expert:  Neal replied 5 years ago.

Sorry for the delay,


You can try the stop leak but I would not be optimistic that it will work or that it will last if it does work. If you do use it, it will be something you will want to keep an eye on.