Question about 1990 Oldsmobile Cutlass Supreme Conv

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Type of freon used in 1990 olds cutlass supreme. new or old?

Does the ;1990 olds cutlass supreme use the "new" freon or the "old" freon in factory a/c system

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This car uses r12 freon that is the old stuff but you can have your system converted over to the 134a.

Posted on Jun 18, 2009

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1990 models had R-12.
To change it to R-134a all you have to do is replace the accumulator, the orifice valve and the high and low side valves.
But first you have to make sure all of the traces of old oil are flushed out of the system. you can not mix R-12 Oil(mineral) with R-134a Oil(sinthetic)

Posted on Sep 07, 2009

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Does the 1990 Olds cutlass Ciera Supreme have a thermostat and where

Posted on Jul 09, 2009

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