Quote:
Originally Posted by 71monteme
it is a 97 suburban. a/c works good now but i want it to get down to about 30 degrees. i read that with the lincoln tube i can get it down to 20degrees.
thanks.
thanh
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The evaporator will freeze over in high humidity at those temps & the low pressure switch will cycle the compressor clutch in & out.
Are you sure its not low on freon? 96-00 vortec compressors are notorious for leaking!!!