What kind of freon do you need to recharge the air conditioning on 1998 ford expedition?
134a there a tag that says how much or system holds if you have rear air its more
First off, it does not contain Freon. Freon is R12 and your Hummer contains R134a which is not Freon. This is not a DIY job. If it is low of refrigerant then it has a leak, and it is illegal to add refrigerant without repairing the leak. I suggest you take the vehicle to a professional that has the expertise and special tools to accomplish this repair.
if it's the same as my 1998 expedition, looking at the engine, it would be on the left side, up against the firewall, located on an approximately 8 inch long cylindrical object called the accumulator. follow the air conditioning hoses back and you will find it. small black cap on the side of the accumulator, unscrews and there you will find the port.
Where is the low pressure cutout switch on a 1998 Plymouth Voyager to recharge the air conditioning system?
Using a set of a/c gauges put the blue hose on the low side (suction side) and the red hose on the high side (discharge side) and make sure that there is no freon in the system and if you have freon in the system then you will have to go to an automotive a/c shop and have them reclaim it for you.. Put the yellow hose on your vacuum pump and let it run…