1989 Mazda MX-6 GT AAS 2WS Tight Steering
Alright my fellow MX-6 peeps, this is going to be a novel, but please read it all; I need some help. I am at my end trying to figure this one out on my own. Was driving the car over 2 years ago when the sheriff suddenly tightened up. Thought it was the pump, so changed it, but nothing. Tried 3 other pumps, and no change. Changed the pump and steering rack together and still no change. Tried a reman rack, and a donor rack. None of this worked.
So, found a 1990 donor with 105K miles and the steering was great; got it cheap due to it being an auto and the tranny was gome. So, changed the ENTIRE power steering system because I was afraid that debris or the inside of the rubber tubing may have liberated and contaminated the system, and every time I changed a part, the bad part of the system was ruining the newly installed parts.
So, I literally swapped everything, the reservoir, the rack, the high pressure and low pressure return lines, the cooler lines in the wheel well, the pump (didn’t disconnect the fitting from the pump because it wasn’t leaking before being removed). Bled the system while jacked, turning it 20 times stop-to-stop while off (tried it with it on about a year ago and the pump whined bad when I went stop-to-stop with the engine running). Lowered it, turned it stop to stop again (super hard), and the fluid was going down whether the engine was in and turning the pump or off (I bled the system the same way I did my NA 2.2L MX-6). Is there a different way to do the GT power steering with the Auto Adjusted Suspension (AAS)? Adjusted the drive belt tighter and looser and no still no change.
I have literally changed everything but the steering wheel bearing and the coupler on the end of the steering shaft; both turn fine when jacked. I have zero idea what to do next. Either I’m not doing something right when I bleed it, or there is something else I’m not thinking of. I even swapped tires and over inflated my winters to see if it was them resisting turning. Need some help!!!