Freon is added through the low side pressure port. A gauge will be needed to check that the system is not overfilled. The Freon and gauge can be bought together as a kit.
Under the engine
To the best of my knowledge, there is no heater or outside air filter on the 1999 Ford Expedition, and Grease Monkey confirmed that when my Expedition (Eddie Bauer version) was in for service.
i have a 1999 ford expedition. my subwoofer and amplifer are good but no sound what can i do to fix this
r 134
check fuses
its on the ac dryer passanger side of the motor near fire wall
Follow the recommendations on the sidewall of the tire.....not the vehicle.
no heat front defrost dsah.
yes... provided the connectors the same
On your 1999 Ford Expedition : The thread on cap on your engine coolant reservoir ( located at the front of the engine compartment , on the drivers side ) is the pressure cap / radiator cap
You can buy a recharge kit from your local auto parts store and it will come with directions but, if the system was empty there must be a leak so recharging it will be a waste of money. Have the system serviced by a qualified technician.
Check fuses , or bulbs in radio burn out.