The LOW pressure fitting is SMALLER than the HIGH pressure fitting.
The Oil Pressure Switch is located on the driver's side top rear of the engine on your Chevy Pickup.
in the expanded line coming from the evaporator in the core support. You nee to pull the grille to gain access. Good luck breaking the fitting loose! Jeff
need to replace the fitting, or remove it and put some plumers tape on the threads
We are going to need to know what engine it has.
It is located on the condenser in front of the radiator. Easy to access if you remove the grill and disconnect the high pressure line.
The fuel pump is kaput.
It is near the back of the air filter box - that is just on the firewall side of the box. The fitting on the larger tube is the low pressure side which is what you want to use. You will see two fittings there the low pressure fitting is the one on the bottom with the high pressure fitting above it. This means the one you want to get at is harder to access - figures right? If you can't attach your recharge hose easily you may want to loosen or remove the air filter box.
Heater core? Inlet or outlet hose fitting at heater core?
60 to 66 psi
32psi
It is located in the throttle body.
Above the left rear tire. It is easier o access by removing the bed. You can remove the bed in 20 minutes by removing only 8 bolts from underneath. Once removed you can access tank, pressure switches and everything from on top.