2003 Chevrolet Malibu LS I had a bad Hub on the drivers side so I replaced the Hubs on both sides as well as the CV Half Shafts. After the repair I now have a severe vibration at speeds above 25mph. I have disassembled and re-assembled with the old CV Half Shafts as well as removing, inspecting and reinstalling the new Hubs and vibration remains!!! What did I screw up???
Malibu seem to be **** in the front end have a 2002 did you torque your bearings at the recommended 284 lbs? first time i changed my bearings i used an impact wrench and had a bad vibration changed it an torqued it and works now...
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when you rotate the tires and their is no change check the c/v axle -and hub 25k is not considered new have changed hubs that have gone bad at 10k -look into ball joints,upper lower bushings ,tie rod,struts the latter can cause vibration but usually at all speeds
Don't need a puller for that. Remove the caliper and rotor, remove the center axle nut (have a shop break it free with an air gun before starting job. Nothing bad will happen if it's not really super tight as long as you don't drive around all week like that and you don't drive too fast or too far. Remove the bolts that hold the hub to the steering knuckle. Spray wd40 around the perimeter of the hub and use a chisel to separate the hub from the knuckle. Work on opposite sides equally to keep it straight as it comes out. Clean the hole out before installing the new one and put a swipe or grease in there to help when replacing. Reverse process to finish install. Hub bolt torque is about 65 and axle is about 175 (have a shop tighten if you can't and never loosen to get a cotter pin to go through axle if you have one there.)
put it in 4x4 drive have some one watch the front driver shaft if turns the actuator is bad its on the front axle about center of axle the fuses are in the dash of truck or you have a bad hub
to check the hubs jack up frontend and take actuator out and push a swrech driver in and turn wheels by hand if lock then hubs are good and actuator is bad there is only one on front axle center withwires going to it or hoses for vac.
The axle nut could have backed off, or it could possibly be the hub assembly. There are three bolts that go into the backside of the hub through the knuckle side. Hubs wear out but they usually just hum really loud on the highway.
Check the front wheel bearings for play and also while the wheel is off the ground lock the front hubs, grab the axle behind the wheel and see if it is engaged. If not then you will need to take the hub apart and find out what is broken.
I think your right that its a bad bearing or hub. If your feeling it in the gas pedal and the floor, its most likely the front. If you can find an empty parking lot, try to get up to the speed it starts making the noise, and turn left and right. With the extra load being put on each bearing from turning, that will tell you which side it is.
My 2003 honda accord was doing this too. The problem is the inner CV axle bearings. The fix is to replace both CV axles. When you choose your CV axle choose a new one not a reman, there are known problems with used CV axles. It's not a hard job. It took me 1hr to do both sides on a lift.