Join Date: Jul 2016
Location: East-Central Minnesota
Re: Jerking steering wheel
Just a couple more thoughts I'd try I guess...
With the front tires in the air a little, and the car not running, spin the steering from lock to lock....do you feel anything while doing that? You're not running the pump at that point so I would think that if it feels smooth at that point, which it probably will, that would rule out anything being wrong in the steering box.
There isn't any way to get the hoses reversed so that can't be it. Do either of the hoses feel soft or squishy at all? If not, they should be fine. If they are, maybe one is weak and needs to be replaced.
Any idea what kind of fluid is in the pump? My pump(entire car actually) sat unused for 32 years and when I started it just last August and filled the pump, you could turn it with your pinky finger...still can. I did however go to a chevy dealership and spend $16 on a bottle the GM steering pump fluid; "AC Delco 10-5030". Google it. You could maybe give that stuff a try... kind of a pain, but yank a hose off of the pump, get a pan to put unerneath and turn the wheel to get as much of the current fluid out as you can and then replace it with the new stuff. I hate shot-gunning parts at things.
With the car not running and wheels off the ground, could you get someone to turn the steering wheel while you try and turn the pump pulley by hand to see you feel anything there?
I'm leaning toward something with the pump itself I guess, but that's just me.
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