a leak in the air bags as the most common !
It can be a bad air bags or if all of them are down then you have to check the compressor for power if it has power then check the pressure line's are connected
hello I have a 2004 lincoln navigator which started giving me suspension problems all the time, on long trip to brooklyn my suspension was down it was bad and it is very stressful all the time worring about whether the suspension would go back up. So I did a lot of research online about converting to coil springs. I found out that strut masters had the best customer service reviews and a lot of four and five star reviews in reference to they conversion kits. I love my lincoln and I am willing to pay for the confort and ride of this truck. I pick the conversion kit for all four wheels, and I also got the part that takes the warning light off the dash board it was about $700. I then research how much it would cost to put it on my truck my mechanic charged me $500. It was well worth the cost, I love the ride, it looks regular not too high. And I am not constantly worrying about whether my suspension is going to rise. I highly recommend replacing the suspension with regular suspension from strutmasters. I have a gray 2000 Lincoln Navigator that I am also going to change the suspension. What sense does it make to have air suspension that is alway down? I hope this help you to make a decision. I feel that the air suspension have so many parts you constantly have to change or have check that in the end I am saving thousands of dollars.
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