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Why does my Oldsmobile silhouette blow hot air with the ac on when I have already filled with coolant and does not seem to be leaking anything?

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Wiki User
2007-06-11 16:59:24

I have a 1998 Oldsmobile Silhouette with the same problem. Shop

mechanics have told me theirisa leak somwhere in the A/C system

that cannot be detected. I have had the AC system filled with dye

twice and no one can find a leak. They tell me that the leak must

be minute which is why it has been undetected. My next step for

this situation is to purchase an over the counter leak sealer and

see if that does any good. The local auto parts store have a kit

that will convert the system from R12 freon to R134a which I will

have to do before I fill the system with freon.

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