Hey Scotty thanks ahead of time. I have my 1998 GMC k1500. I just put a new steering box in it because of it having very noticeable play in it. Now the only other thing left that has any play in the steering is the idler arm. And its not much. When I hit the brakes going less than 25 ish miles per hour, it brakes smoothly. But when I hit the brakes anywhere over 35 to 45 mph I get a nasty wobble in the steering wheel that is there until I completely stop. It's a left to right wobble like my rotors are warped. Is there any chance it's something other than the rotors? I thought I got all of the air out of the power steering and rack and pinion. But to be sure I jacked up the front again and went lock to lock about 20 times, but im still having the same braking problem. Any advice would be much appreciated I just want to get this wobble taken care of without buying unnecessary parts.
idler arm play has a very noticeable effect. Change them out they're not expensive. (and check the rest of the linkage while you're at it.)
everything in the suspension plays a part too. Ball joints, control arm bushings, bearings etc.. The truck has a quarter of a century on it. Everything is suspect.
If that doesn't do it, then it's very possible the rotors ARE warped.
I just want to get this wobble taken care of without buying unnecessary parts.
no unnecessary part changing should be needed. Everything can be tested.
