My suburban goes into the death wobble only between 25 and 35 miles per hour. I've replaced everything in the steering from the power steering pump, the gear box, drag link, steering arm, all the way to the last tie rod end. All that's left is the bearings, or maybe some off balanced tires, or maybe even something with the brakes but right now I'm clueless. It does have 4 inches of lift and I'm running 33" tires. If anyone has an idea I would appreciate the help.
Post by Pontiac1976 on Sept 16, 2008 16:18:22 GMT -5
Good you got it fixed. the + is that your front end is all new must drive nice now. Thanks for telling us what it was. The best way some times is to eye ball the parts from under feel if there to loose or move more then they should, any holes that look bigger then they should with shiny steel showing. Most thing should be tight or little to no movement in them.
77 1/2 ton Heavy Half chev 454,350TH,3.07rear driven 6 YR now changed back to 85 monte carlo SS 305 Motor as of 2004, june,30 inter changed to 84 GMC style, flatbed with a 98 van bumper.
Post by bonehead7101 on Jan 12, 2011 19:24:08 GMT -5
im sure this is an old topic but i have found some new info on this problem cause my 73 k10 just started doing this also.... so i found out from a friend with a lifted dodge diesel and has told me that straight axle trucks and lifted trucks are notorious for this. he also said that a lot of it is caused by the fact that i am running over sized tires and the steering arm is not sufficient enough to handle the strain of fighting the wheels when they wand to go a certain direction and that the best thing to do is to go to a dual shock dampened steering with the shocks going opposite directions. i was also told that the frame will actually begin to flex and sometimes bend when this is occurring. the last thing he said was that i should remove the rear traction bar/double shock setup in the rear of my truck so that when it does begin to shake some of it will transfer through to the back and the rear suspension will eat it up.
Check the ball joints, I'm sure there bad. Nobody ever checks the ball joints. Also 2 or 3 good "wobbles" at 35 - 40 mph and you’re looking at tie rods, drag link, wheel bearings and you’re going to get stress cracks. The hydraulic forces that sort of save the steering box from coming apart are the same ones that rip it off the frame. The force it takes to overcome the gyroscopic effect a 35" tire spinning at 40 mph generates, you’re going to get cracks. Maybe not right away, but your going to get cracks. Steering stabilizers are just a temp fix, it will come back. The entire front end needs to be tight, aligned and balanced to get rid of the shake. If everything is good you shouldn't even need a stabilizer.
'77 K10 Stepside, GMPP 383 HT Vortec, NV4500, NP205, 9" front and rear. 4" suspension lift on 33's.