Hydraulic system problems ('85 5000 turbo)

[Kneale Brownson]

If there's air in the hydraulics system, it usually manifests itself as a
froth in the reservoir.  Bleeding air from the system is done with the
wheels off the ground, the engine running and the steering wheel being
turned lock to lock quickly and repeatedly.


At 02:38 PM 8/17/2006 -0400, Huw Powell wrote:
>> The power assist does seem to randomly change.
>
>> Also, I noticed that the fluid level in the reservoir changes a lot.
>
>Without being an expert on this particular system, I would have to say 
>my first suspect here is a lot of air still in the system.  It probably 
>moves around, and ends up cavitating the pump while its running, 
>killing, or at least randomizing, your pressure and assist.
>
>I do believe I have read here that bleeding the system is a complex 
>process (but that might have been the cooling system!).
>