Hydro boost/ Powersteering Problem, it is noisy from airation. Started truck no problem as soon as I pushed on the brakes it started moaning. Started driving and started getting the same out of the steering. Stoped and checked the fluid. Fluid was full but air in the system. Continued to drive and got better no noise by the time I got to work. On the way home quiet also. Next morning same thing all over again. Is there a check valve in the Hydroboost that could be sticking? Any help is appreciated!



Jay

 

If it's cold where you are you could have condensation mixed in there and when warm it's liquid and frozen.. well just clogs things up. Try changing the oil and use synthetic PS fluid I believe on the 2002. I think it was 2004 that uses ATF.