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The brakes can squeak, the suspension can squeak, the steering can squeak, the wheel hub/bearings can squeak, have a trusted mechanic determine the source of the squeak.
The top control arm bushings are likely candidates.
We changed both and the binding squeak stopped.
Check the shocks first they will squeak pretty bad when going out ( dried out seals ). Bushings will squeak but they would have to be pretty bad to do it when just pushing on the front end.
I just fixed this on my car. All you need to do is spray some DW-40 on the area that is squeaky, and squeak no more
When was the last time you had the suspension lubed? Did someone swap in some urethane bushings? They tend to squeak .
The most important lube points are rubber mounts that serve as an interface between the suspension and the chasis (one behind each wheel). You need a needle to squirt the grease between the rubber mount and chassis. If you do not do this, your suspension will squeak. I had mine done last year and the squeak is back!! There are also zerk fittings at each tie rod behind the front wheels.
how do you no when you front air suspension go
The front suspension is steerable.
The squeak is most likely coming from your upper or lower ball joints. Replace your worn ball joint(s) and that'll fix your problem.
To the best of my knowledge this truck uses the front suspension called "Ford twin I-beam front suspension."
On a 1997 Ford Expedition : ( NO ) not on the front suspension It could have the REAR load levelling air suspension