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GM of Ford, makes no difference , see if the compressor is running when you turn the key on , can you hear it run ?

If it is running , there may be a leak in a hose , not letting the suspension raise , or a leaking seal on the actual shock.

Rear suspension compressors do tend to fail on older cars , some are under the rear of the car , some are under the hood , usually on top of the inner fender .

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Q: How do you determine if the suspension compressor is bad on a 1998 ford expedition fuses and switch are ok?
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