You have a fixed orifice tube is located in the liquid line, between the condenser and the evaporator coil. If the fixed orifice tube is faulty or plugged, the liquid line assembly must be replaced.........
1993 what?
You have a bad rear expansion valve located in the rear......
Against the firewall
The 2003 Frontier 3.3L has an expansions valve, its part of the evaporator.
You need to check the idle control valve, and the air filter.
The 1990 Buick LeSabre air conditioner recharge valve can be found on top of the air conditioning compressor. The air conditioner recharge valve will have a blue top.
It's not an expansion belt but an expansion valve and the ac should have had one already. so get more infor as to why a new one is necessary.
on passenger side of engine, half way up
The expansion valve on a 1997 Honda Accord AC is located in line with the tube that supplies liquid coolant to the air conditioner vapor. It is mounted right beside the tube.
where is the air conditioner drain on a 2001 Mitsubishi Galant
If it happens only at idle speeds I'd suspect it is low on freon. If it's intermittent at all engine speeds there may be moisture in the system affecting the expansion valve or a problem with the expansion valve itself.
You most likely have a bad expansion valve or the system may be low on freon as well...