Air Ride Suspension
Last edited by deanjet; Jun 3, 2003 at 06:19 PM.
$770 for a compressor? Now thats what I call a mark up! If mine ever goes ever locks up I will be hitting the internet for a compatable replacement.
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BTW, while on the subject of compressors . . . I wonder if a person might be able to install a fitting that would allow the use of this already on-board compressor to be used to inflate a low tire?
This is why I recommend spending a few dollars on a plug in pump. I would hate to see someone fill thier tires in the middle of nowhere and burn out the air suspension pump. I know they would be towing a thirty foot camper down a 20 mile dirt road, cursing my name every inch of the way! I would rather replace a throw away $40 pump than a fixed $770 pump.
Maybe this would not happen, it looks like Ford has built in a thermal protection device in the pump. Here is a quote from the manual:
CAUTION: Do not allow the air compressor to run for more than three minutes. The air compressor could overheat and stop operation due to an internal temperature sensitive thermal breaker.
Thanks to deanjet I have ordered a rebuilt unit from Strutmasters.com. I spoke with Gary who was very helpful. Says you should spend the $40 and buy a reconditioned DRIER when buying a new compressor. Over time, the drier becomes less effective and allows moisture to get to the compressor which is BAD - some of you may want to look into replacing your drier BEFORE your compressor craps out. Drier connects to the compressor - there are to different driers, one for 4 wheel leveling and one for rear wheel leveling (more inputs to drier). He claims replacement of compressor/drier not that difficult and any "home mechanic" should be successful. I got the compressor and drier shipped 2nd day air for $16 (they are in NC, I'm in CT). When I get the old compressor out, I slap it in the box and send it back (he provides return shipping label). When they get it they send me a $25 check for core return making it $150 total.
So....I still need to get the relay which NOBODY has but Ford. I'll be picking one of those little overpriced puppies tonite and hope to get the compressor/drier Friday. With any luck, I'll be back on the road this weekend. I'll provide info on how the install goes. Thanks to all who posted!
Ford Trucks for Ford Truck Enthusiasts
The more I thought about it, the less you need Ford to change the compressor.
1.) The system should have no aircharge left (sounds like your truck suspension is bottomed out on the bump stops).
2.) The compressor looks very easy to change.
3.) No adjustments should be needed to the LLS since you have made no changes to any sensors.
Good luck with the swap.
This kind of reminds me when I bought an EGR valve for my wifes turbo charged Ford Probe a few years ago. I called the dealer, $128 for the valve. I called a local auto parts supplier that carries "Motorcraft" parts, $36 for the same valve. I went to local auto parts store and bought the valve after verifying that it was the correct valve. The parts store told me that I would have to reuse my metal crush gasket since it was a dealer only part. Being an aircraft mechanic, I decided not to reuse the gasket. I went to the Ford dealership and asked to purchase the gasket. The person there recognized me and said, "oh, you need the EGR valve also, right?" I told him that I bought a Motorcraft EGR valve already for $36. Then the parts guy said, "Well, you might have a box with the right part number on it, and it might say Motorcraft on the outside of the box, but I guarantee you that you do not have the correct part, much less a Motorcraft part." Well, to make a long story short, I went out to the car, got my valve, and brought it back in while the dealership guy got his valve. We compared both valves, and in the end the dealership guy admitted that I had the right valve and that it was a "Motorcraft" part. What the dealership guy refused to explain was the price difference. And yes, I did tell him my theory on the price differance, he did not like it.
Last edited by deanjet; Jun 5, 2003 at 07:00 PM.
Is this air ride suspension on all four wheels....and does it adjust side to side as well as front two back? Like the Lincoln marks? if you went into a rotory it would level you off while cornering?
Thank you.
Is this air ride suspension on all four wheels....and does it adjust side to side as well as front two back? Like the Lincoln marks? if you went into a rotory it would level you off while cornering? "
Actually the Expedition should just have the airbags in the rear. The Navigator will have the option for all four wheels but the Expy should be just in the rear. Since it is only in the back it is used just to keep the truck 'level' so you can load up the truck with either gear or a trailer and the truck will not sag in the rear. It will pump it self up to make the truck level again. It is a 'Load Leveling System.'
I put about a 1400 lbs in the back of my truck this week end and the truck sagged until I turned the ignition. The truck's onboard compressor pumped up the rear airbags until the truck was level again. When I pulled out the weight the truck sat 3 inches higher than normal! When I turned the ignition again the truck released air out of the airbags and it again sat level.
Unfortunately the it does not adjust side to side. And it is Identical to the Lincoln Marks except being on a larger scale. It will not level you off when cornering.
The load leveling system is designed just to keep your truck level so you can drive safely when loaded. I think the system is wonderful!
Actually the Expedition should just have the airbags in the rear. The Navigator will have the option for all four wheels but the Expy should be just in the rear. Since it is only in the back it is used just to keep the truck 'level' so you can load up the truck with either gear or a trailer and the truck will not sag in the rear. It will pump it self up to make the truck level again. It is a 'Load Leveling System.'
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