Airbag Imbalance on 1997 TRANSCRAFT fixed spread axle 45'

[davidsalata]

Hi All,
I have an airbag imbalance on a 1997 TRANSCRAFT fixed spread axle 45' flatbed trailer. The front axle airbags inflate as they should, however the rear ones do not.
When empty the front comes up right away with the rear lagging behind taking a long time and never getting up to the same height and they do not inflate more than maybe 1/2 of the front.
When loaded the the front comes up to what looks like proper height to me but the rear is still not anything close to matching the front. Other than a squshed/kinked line what do you think causes this? The previous owner mentioned something about "an electronic system being removed from the inflation system a while back because it was not needed" (she's wackadoodle) but that does not make any sense since we are talking basic brainless hydraulics. So other than a defective leveling valve what should I look for? The pics show airbags when empty.

 

[Curious Hound]

First of all....

If there is some kind of leveling valve assembly, I would check that and also look for restrictions in the airlines. But restrictions should only slow down the inflation of anything downstream. Not prevent it from happening, unless there is a total blockage in the line.

Second....

Exactly what year and model of Ford Ranger based vehicle is this?

You might get better info on a forum about semi’s.