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Where is the low and high pressure switch located on the ac

Location of low and high pressure switch on ac 2003 buick lesabre

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SOURCE: need to know location of low and high pressure

find the ac compressor, follow the hose going to the rear, when you find two wires that's it
Don't touch it unless the system's been evacuated, you'll get a face full of freezing goop and probably ruin the threads, ask a parts house, sometomes the section of hose must be replaced the switch is welded on, most GM's put the switch on the expansion block,that one's usualy not removable the block must be replaced
If you paln to remove it either empty the system, or have a pro do it
THIS IS DANGEROUS BE CAREFUL

Posted on Aug 30, 2009

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