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gas in coolant

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Anonymous Poster

Jun 7, 2006, 8:44 AM

Post #1 of 3 (7815 views)
gas in coolant Sign In

I am having mechanical issues with my 02 mini. I recently took my car to the dealer to have routine service performed and to have an over heating issue looked into. The car over heated one hot afternoon, but quickly cooled back down after shutting it off and hasn't given me any trouble since. Regardless, the mechanic informed me that they had detected gas in the coolant by some diagnostic means and that they think the head, gasket or cylinder may have a crack in it. A repair at the tune of $4700. When the car first over heated - which I shut down immediately as soon as the light came on -- I assumed that the thermostat may have stuck for a moment because of the erratic way the temperature gage reacted. The car is running fine still and at normal operating temperature..

Without having the benefit to diagnosis the car, does this sound like the cause and do i really need to have the head rebuilt. Seems hard to believe when it is running fine.

Best -Regards -Scott

Anonymous Poster

Nov 4, 2006, 11:54 AM

Post #2 of 3 (7667 views)
Re: gas in coolant Sign In

The first thing I would do is get a second opinion from another dealer/repair shop.
You didn't mention whether or not you could smell fuel in the coolant (which you should be able to smell I would think).
Fuel in the coolant happens with cracked block, or a bad intake manifold gasket.
In the case of a cracked block you may also notice oil in the coolant which can appear as thick sludge.

I guess what I'm saying basically is....
get a second opinion from someone else and be sure.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 4, 2006, 9:55 PM

Post #3 of 3 (7658 views)
Re: gas in coolant Sign In

It's pretty hard for gosoline to get into coolant. They may have detected exhaust gas which could be a gasket or crack in some area. $4700 is insane -- get another opinion, T

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