Problem w/ intermittent defrost a/c
The evaporator is in the dash not accesable but youll know its icing over when the ac isnt sweating as much as before and the compressor would short cycle. There is a high pressure cutoff switch on the drier (its a black cylinder on the passenger side near the firewall in the engine bay) but I doubt the switch is the culprit. At this point your best bet is to put manifold gauges on it and see where the pressure is on the low and high side.
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07 Gt Tungsten Grey
Roush (Airaid) Cai, GT500 Tb with BlowByRacing Adaptor Plate, UPR O/r X Pipe, M80's, Pypes Muffler Delete Axle Back, Sr Performance Adjustable Motor Mounts and Steeda Tri Ax Short Throw Shifter
02 Gt Mineral Grey
Steeda Sport Springs, 3.73s, Pro5.0 Short Shifter, Pypes O/r X Pipe, full 2.5 inch exhaust with M80's, 75mm Tb and C&L Plenum
87 Mercury Grand Marquis