How do you put freon in a Pontiac Grand Am?

Open the low pressure valve on the low pressure side of the air conditioning gauge to begin filling the vehicle. Fill the vehicle until the scale reads 1.4 pounds. Once it reaches this weight, close the low pressure valve. Close the valve on the freon tank and remove the hose.

Where is the low side AC fitting?

The low side service port is usually located between the AC compressor and evaporator. The low side service port will have a black or blue plastic cap that needs to be removed. The low side service port is the only port to which the AC Avalanche coupler will connect.

Where do you put freon high or low side?

The freon is added on the LOW PRESSURE SIDE ONLY. The hose tool you bought is made so you can only hook to the low side as the high side and low side fittings are different sizes and shapes for SAFETY’S SAKE.

How much should I add to 134A?

How much R134a does my truck need? One can of R-134a typically holds 12 oz. of refrigerant. While the standard auto air conditioning system needs about three pounds of liquid Freon, the amount does vary, so check with your manufacturer or have your mechanic check.

Which is low side AC line suction or discharge?

The low side, or suction line, will be the line connected to the compressor from the top or higher position. It will be cold to the touch and may be wrapped with insulation. This is where freon enters the compressor as a gas.

How do you add Freon to a Pontiac Grand Prix?

How to add freon to your 2007 Pontiac Grand Prix: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure.

Where is the low pressure port on a 2003 Grand Am?

The low pressure port on the 2003 grand am is actually behind the engine, near the firewall on the passenger side. Good luck getting your hose down there though, I ended up buying an extension hose. You can’t post conmments that contain an email address. An expert who has achieved level 1.

Can a R134a recharger fit over a low pressure port?

R134a recharger nozzle won’t fit on low pressure service port. On my 2004 Pontiac Grand Am, a standard R134a recharger (identical to the one’s I use on both my Chevy trucks) will not fit over the low pressure service port. It seems as if the port is about an eigth of an inch too large for the nozzle on the recharger.

Where are the service ports on a R-134a?

The r-134a service ports on todays cars are industry standard sizes. the high side port is slightly larger than the low side so you can not hook them up in reverse.make sure your not trying to hook up to the high side port. low side ports are usually located on or near the drier. or in the larger diameter a/c line going to evaporator.