'97 Pontiac Bonneville Air Conditioning Question


Old 05-09-07, 03:32 PM
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'97 Pontiac Bonneville Air Conditioning Question

I recently bought a used Pontiac Bonneville. I dont think my AC is working. Seems like the compressor engages but no cold air. Got any ideas? Can a DIYer still add R12, freon, or whatever they call it to the system? HELP!!!!!
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Old 05-09-07, 04:06 PM
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If your compressor is kicking on, then you probably do need some R-134a.

Hopefully there are no leaks or damaged equipment.

Adding 134a is very easy.

Get some 134a at a local auto store along with pressure gauge (most kits come with this now)

The hose that attaches to your low pressure fitting in the engine area will only fit that fitting.

Find your cooling lines, usually the low pressure side has a blue or black cap and is smaller then the high pressure side.
Old 05-09-07, 06:44 PM
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Does the compressor stay engaged, or does it cycle rather rapidly?????.........If you're A/C savvy and you have the correct tools, the answer is yes.....but be advised..............adding 134A to the low side without being able to see what's going on with the HIGH side, can lead to unit damage AND............Personal injury..........

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