Low Side Pressure Port in 1990 Beretta


Old 06-24-06, 10:32 AM
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Low Side Pressure Port in 1990 Beretta

Hi, I have a 1990 Chevy Beretta and am having some trouble finding the low-side pressure port so that I can fix my A/C.

If anybody could help me locate this, it'd be greatly appreciated, thanks!
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Old 06-24-06, 10:43 AM
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It will be in the line running from the firewall to the compressor. The line running from the compressor to the condenser and from the condenser to the firewall are high pressure lines.
Old 06-24-06, 11:42 AM
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On my Corsica, it was along the firewall on the passenger side.
Old 06-25-06, 05:20 PM
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generally on gm the low side fittings are on the accumalator
Old 08-11-10, 04:10 PM
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low side 1990 Beretta

The low side is on the accumulator which is just below the air filter. Remove the air filter and its housing and it will be under it just to the side of the battery. I have 1990 gt 3.1. This is where mine is. Hope this helps.

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