I spent the last day and a half changing the power steering rack. I had a used one that I knew worked I had taken from a parts car I had. It has been sitting for about 3 months. After completing the installation I started the car with the front wheels off the ground and began turning the wheels lock to lock to bleed the air from the system. There is no power steering whatsoever. The reservoir is where it should be in the pump. There is no whining hardly at all from air being in the system. I took the car around the block and it all I can do just to steer it. Does this sound like the rack is bad? There are no leaks either.
jso2378
I disagree with this. I always start bleeding by leaving the engine off and turning the wheel. If started right away, with all the air that is in the system it is possible to damage the pump. If you pull the return line (don't need to do this is the bleeding procedure) you will see that even with the engine off, turning the wheel move fluid back to the pump. This also helps prevent aeration in the fluid. Once you have turned it lock to lock numerous times with the engine off, then I would say you could turn it on.
Is there a bleed nipple somewhere on the rack? I would check for one, as that might help the bleeding process. Some have them...some don't...not sure about yours.
If the engine is on, and you are turning it lock to lock, are you seeing air bubbles in the resevoir? If not, I would maybe try pulling the return line with the engine off and turning the wheel to see if fluid is coming out. If not maybe you have a blockage somewhere. If you aren't seeing bubbles, it could be that your pump is not working as well.
Do you have a pump you can swap from your parts car? I might try that just to rule it out. With the tires of the ground and the engine on, if you rev the engine are you able to turn the wheel quickly then? Sounds like you don't have enough pressure to me...but I am no expert.
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