The AC compressor in the 1999 Ford Expedition/F150 is located on the passenger side of you engine, next to the fire wall. It can be tricky to get to when using r134 to recharge the system. Facing the engine, on the left side, behind the battery you will find a removable cover with several electrical wires behind it. To access the Lower in order to charge air conditioning refrigerant it is not necessary to remove this. Directly below this you will find 2 larger hoses, in 4.6 and 5.4, directly behind these hoses you will find the A/C compressor, the valve used to refill refrigerant is behind these hoses, making it tricky. Additionally, after removing the cap you find that the insert is set at a slight angle. The most efficient way to access this is by using "AC Pro" R134A refill. Found at AutoZone and most auto parts store, even Walmart, though more expensive, is the best investment, not only for quality, but the hose is the ONLY over the counter refill with a tube long enough to access the insert while still using the canister, but can also be reused with future refills. I will also note that in Expeditions with rear air it is necessary to by the smaller can of refrigerant in addition to the one with hose as after running the AC for a few hours will cause it to move back and fill the rear air system and the capacity is approximately 30 ounces total when running warm or under 15 psi. It can run you about 75 dollars all together, but considering the benefits and additives in this formula, well worth the investment.
J A
Ford Expedition Owner
AutoZone ASE Certified Parts Manager
Which Compressor are you talking about ? The a/c compressor or the rear suspention Compressor ?
where is located ford expedition 1999 relays
Its located on the top of the a/c compressor..................
The power distribution box ( which is " live " ) is located in the engine compartment near the brake fluid reservoir in a 1999 Ford Expedition
The air conditioning compressor clutch relay is located on the bottom of the air conditioner compressor. The relay switch will be labeled.
To replace the air ride compressor on a 1999 Cadillac DeVille Concours remove the air shocks located under each wheel and replace it.
In the right front passenger footwell , behind the kick panel ( according to the 1999 Ford Expedition owners manual )
Follow Larger hose from a/c compressor--may be near firewall next to drier
Right side lower belt driven accessoriy
Believe it is near the compressor
On a 1999 Ford Expedition : The washer fluid for the rear liftgate is supplied by the same reservoir for the front windshield ( located in the engine compartment )
Actually , it's fuel injected , so there is no carburetor