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1999 Deville base
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58 Posts
Discussion Starter #1
working on converting to 134a and want to check low pressure switch to making sure ok before charging. also going to check for leaks, where is the most common places to look at. been years since r12 leaked out(over years and has never been serviced or opened up. of course will replace accumulator and flush condensor.
 

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2006 XJ, 2000 Eldorado ESC--total loss :(
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1,180 Posts
It seems that your model doesn't use a pressure cycling switch, but instead uses a thermal cycling switch mounted on the evaporator case. Apparently it has some adjustment, but since it's based on temp and not pressure you are good to go with R134.

Hope this helps :)
 
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