just think of the consequences if you have a leak in your AC system. With that much flammable liquid in the system, there is a chance of something going BOOM.

I would be weary of using something like this especially if I had a leak or was unsure. I wouln't want to have to explain to the insurance that the car just blew up.

Now if the system is in good order, why not just recharge it with R12 or R134A if ti has been so equipped.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon