On all GM products it is almost always on the accumulator / receiver drier.
It don't have a low pressure valve. the high pressuer sensor is in the high pressure line next to the raditor. It don't have a low pressure valve. the high pressuer sensor is in the high pressure line next to the raditor.
The low pressure port is on a metal pipe on the passenger side of the engine bay. It is located just at the end of the radiator.
The 1999 Ford Ranger low pressure air conditioning valve can be found on the air conditioning compressor. The low pressure valve will be labeled as the low pressure port.
I own a 2002 XL-7 and the low pressure side is located behind the front grill, next to the right headlight.
It starts at the outlet valve of the metering device and ends at the inlet valve of the compressor. The evaporator is on the low pressure side of the system, as is the accumulator, if your vehicle has a Fixed Orifice Tube system.
You can find the low pressure valve for your 1994 Pontiac Transport on the top of the air conditioner compressor. The low pressure valve will have a blue top.
In a 2002 Escort ZX, the fuel pump has a check valve built into it. If the fuel pressure is dropping, then it is a bad pump. You would need to replace the entire pump. It could also be low compression.
Behind the radiator, under the air intake!
The recharge valve for the air conditioner on a 2002 GMC Envoy can be found by looking at the rear of the engine compartment. It will have a cap over the valve labelled as low pressure side.
where is low pressure valve on a 2005 ford 500? i am trying to add freon
The low pressure valve, on your 1995, Mercury, is located on the top of the air conditioning compressor. The low pressure valve should be labeled.
The high pressure charging valve is located either on the high pressure line or the muffler, and the low pressure charging valve is located either on the accumulator or low pressure line.....