The intake valve is always bigger.
Plug in port for ac.
On the right-hand side strut wall close to the chassis, just below the air intake plume.
Front of the engine, under the intake and behind the ac compressor.Front of the engine, under the intake and behind the ac compressor.
Find the s10's ac drier. On the side of the drier there is a port. This is the low pressure ac port.
replacing AC air intake Filter is rigth side, under glove box.
The high pressure is along the firewall on the driver side. The Low side port is between the brake master cylinder (Also on driver side) and the air intake pipe. It should have a black plastic cap with an "L" on it.
The AC low side port on a 1999 Cadillac DeVille is against the firewall. It is on the larger of the two hoses going to the AC compressor.
The low pressure AC port can be found on the passenger side engine compartment. The port is located near the oil cap for the engine.
Where is ac low pressure service port on a 1990 ford mustang
The recharge port is on the larger AC pipe
I have the small v8 its under the air intake plastic square peice right over the fan loosen the clamp on air intake to filter pivot it up toward passanger side and you will be able to get to it easy