Need basic instructions for changing hub. Do you have to change both sides even if only one is affected. I have standard brakes, NOT ABS. I believe I saw on-line that there are different hubs for front and back wheels. Also difference for standard and ABS brakes. Is that correct ?
Am I better off cost-wise getting them from like an Auto Zone or Pep Boys type store or ordering on-line ?
Thanks for any and all help.
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Re: Pontiac Aztek front wheel hub replacement
Try autozone.com to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you and also try Schram auto and truck parts for only GM parts 1-800-292-1032 and also try junkyarddog.com
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according to your codes your O2 sensor closes to the motor by cylinder 1 is malfunctioningp0135. youalso have a bad wheel sensor right front.this is causing the trans to shift wrong c0035 whick gives you the p1811 code (long shift) if you replace that o2 sensor ( there are usually like 4 on a V6) and replace the front passenger side wheel sensor and reader plate then you problems should correct and the lights should go off after you run the car for a bit. hope it helps.
The sensors are made right into thee heel bearing hub assembly on this. The plug on the rear is right on the bearing assembly. The front you just follow the wire coming off of the hub. If you do have to replace this hub due to a sensor, don't get a cheap one to fix it. Those go out within about a year and then you just have a wheel bearing problem which is more dangerous than an abs issue.
First get vehicle off ground make sure its supported good then with wheels off the ground see if any play in wheel see if moves up/down and side to side if any play or if when driving it makes a noise try swerving slightly side to side if noise changes the hub is going bad so when the noise stops it will be the opposite side that you turn so if you turn left no noise it will be on right side and so on hope this helps you
Sounds like a wheel hub assembly is bad without seeing it. Alot of GM vehicles have the ABS wheel speed sensors built into the hub assemblies. Should be able to narrow the noise down by driving the car slightly turn left and right noise should change from loud to soft when turning the wheel. ( if you turn left and noise gets louder hub on right front is noisey.Opposite will occur if left side is bad)
Remove the brake caliper
Remove the disc, (rotor)
Remove the 34mm nut on the axel shaft
Remove the three (3) bolts from the back side
You will need a wheel puller (three jaw will work well)
Place the puller over the hub and tighten, this will push the shaft out of the hub. Now you have to pull the hub assy. out of the mounting bracket. I found hitting each side,of the hub with a lead hammer to work well. Don't forget to disconnect the ABS senser on the back side of the hub assy.
Do not over tighten the 34mm axel nut when you install the new assy. If you use an impact whrench on it you will damage the bearing.