Question about 2004 Chevrolet Avalanche
Looking for location of ac low pressure port location to add 134a refridgerant
Look back on the firewall for the two a/c lines. One is large and on is much smaller. The larger line is the low pressure line. Follow that line back to the compressor. The low pressure port will be on that line.
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Posted on Sep 01, 2012
Low side charging port is next to the accumulator.
Posted on Sep 02, 2012
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Posted on Jan 02, 2017
Down low between the radiator and the engine. Look for the cap. Very hard to reach without burning your hand if the engine is hot. I had to rig a much longer hose to add 134a so the can would be upright while putting it in.
Posted on Sep 25, 2008
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