The A/C system in my (new to me) 123 was just checked for leaks last night using a Snap-On sniffer.

Leaks: MAJOR leak at the pressure switch on the receiver dryer. Very small leak on the front shaft seal of the compressor. Minor leak at the expansion valve, discharge hose, suction hose next to the compressor and the hose between the discharge hose and the condensor.

These are the typical places for leaks on these cars. The leak at the pressure switch is so bad its no wonder the car wouldn't hold a charge.

Now if someone would post the part numbers for the hoses for me, I'd be......too cool.

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84 300DT Puke Yellow. Totalled after 438,000
84 300DT Orient Red. 169,000 (actual mileage may vary)
2002 Explorer EB (wife's)