I think the dealer may have added water to my overflow tank during a routine service, but I'm not sure. I told them not to do it, and they deny it. How can I tell, and how can I fix it?

 

You can empty the coolant overflow tank with a brake bleeder kit. Some of the water has probably been sucked into your engine cooling system, though.

You might consider putting a decal on the overflow & filler neck that reads:

"DO NOT ADD WATER. EVANS COOLANT ONLY!"

I'd spend the $50 and replace the coolant. But that's just me.

 

There is a procedure for boiling off excess water on the evens web page, it is a bit involved and is somwhat violent but worked quite well for me. Involves a long hose from your overflow tube up to the roof of your gargage and back down, then you just let'er blow the water vapor out (the liquid coolant won't climb all the way up the tube but the vapor will). Your neighbor's will think you had a late night at the bar after a spicy mexican dinner but it gets the job done (just be sure to secure the loose end of the hose

I'll see if I can find the page on their site, it's in there somewhere.

Alex

 

Over 600 posts, and you never saw a warning about taking your car to the dealer!!

 

I would never take the car to the dealer for engine replacement or major work etc., but routine oil changes have been ok, because I haven't had the time. Besides, talk about red carpet service when you pull up in the FD! It's like pulling up in a porsche.

 

My four gallons of Evan's came with a test strip. Maybe they will sell you one ...

 

great idea. THANKS.

 

That is why I do all the work on my car myself.