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Premium Member
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Discussion Starter #1
I'm about to add some refrigerant to my 89 T'ird A/C.
Can I just disconnect/remove the pressure switch sitting atop the accumulator low pressure port while I add refrigerant in what I would call the normal way then reinstall it? Or is there some magic this switch controls that I'm not aware of? Thanks for any clues or advice.
MDW
 

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Super Moderator
1997 Thunderbird 4.6, 1998 Mark VIII LSC
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9,367 Posts
I don't know how the 89s are with R12 but on the 94+ R134a cars, there's a dedicated charging port next to the cycling switch. In either case, there should be a check valve under each which will prevent refrigerant loss if caps/switches are removed.
 
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