Question about Pontiac Grand Am

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96 grand am.....it is leaking yellow oily fluid from underneath....my a/c stopped working...tried to add refridgerant to the compressor and the refridgerant was leaking all over....is it more likely a hose or can it come directly from the compressor. where it is positioned under the car I can't see.

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The A/C compressor is on the RH front of the engine waay down low below the alternator. You will have to get the car on a ramp to check or at least get it raised with a floor jack. More than likely it is the aluminium bend at the compressor that has broken or if you're lucky an O-ring has failed. Check the connectors at the compressor if they are still bolted tight. If not, remove the connector altogether and replace the O-rings before refitting.

Posted on Sep 11, 2010

  • Rene Rossouw
    Rene Rossouw Sep 11, 2010

    If you are going to do the whole job yourself you will need to replace the drier/receiver as the system was exposed to air. You can probably get it done without replacing the drier but it is best to replace it. With everything connected and new O-rings in place, you will need to add a can of can of compressor oil as well as about 3 cans of refrigerant. You will also need a vacuum pump to get the air out of the system before recharging. When refilling the engine needs to be running with the A/C on. Recharging should be done on the low port side which is on the vertical pipe right at the compressor which leads to the firewall.

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