Contour Enthusiasts Group Archives Forums General Troubleshooting A/C only blows hot air

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Usually if the compressor clutch isn't engageing means the system is really low on 134A. You have a leak somewhere. If you just want to add some 134A, you will need to disconnect the connector to the accumulator and put a jumper wire in the harness connector that plugs into the accumulator. This should make the compressor clutch kick in so you can add the 134A. If you are this low though, the oil in the system also goes away and you could have a dammaged compressor.