How to change front wheel bearing on 2001 blazer

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thanks

Axle nut preload is very important, too tight will cause premature wear of the hub. The proper preload for a 2001 Chevy Blazer is 103 foot pounds.

If it's your bearings the sound will go away when you turn around a corner or curve. If it's your brakes then it should get better or worse when breaking.

I'm pretty sure that it's a wheel bearing in your instance. If you do decided to replace the bearing then don't forget to torque the axel nut down to 103 ft. pounds. This is very important.

Too much or too little torque on your nut will cause early failure of your new bearing.

Check the front wheel bearings .... very common . While driving turn the wheel gently from side to side and see if the noise changes .. this will load and unload the bearings.

If they are the wheel bearings making the metal grinding noise, you need to replace them ASAP before it causes more damage.

jack the front off the ground remove the tire remove the brake caliper remove the rotor remove the bolt hol;ding the front axle into the spindle hub, remove the hub and bearing.

That sounds strange about the power windows and the blower motor not working when the ABS light comes on. I happen to have a 99 Chevy blazer and I had the ABS light come on several times. There are ABS sensors on the two front wheel bearing hubs. If you take off the front wheels you will be able to see a black electrical cable that has 2 wires inside of it. This cable is coming directly from the ABS sensor on the wheel hub and is strapped to a bracket the is on the upper ball joint. From the hub it then goes to a plug connector that is under the protective flap that you lift to change your spark plugs. What I found that is a common problem is that wire tends to corrode or doesn't have enough slack in it when making turns and starts to pull and break. Examine that cable and if you see any breaks in it, that will cause the ABS light to come on. Also if you can get to the plug underneath the flap, unplug it and use a multimeter to see if you are getting any resistance on the two wires. If you aren't getting any resistance then your sensor is bad or you have a broken wire to the sensor. On my vehicle the ABS light kept on coming goin on and off intermitently and I found that wire from the sensor to the plug had a break in it. I stripped the wires back, spliced them together, soldered them and I used heat shrink tubing to cover the connections. The ABS light went out and it has been fine ever since. Hopefully this will solve your problem as well.

In addition to the great answer above, it is extreamly improtant to torque the front hub nut to the proper torque. If you under or over torque the nut which puts pressure on the bearing, you will be changing it again in a very short time. Refer to a shop manual, or go to the local auto parts store and look at a chiltons manual for reference torque value.

You can't just replace the bearings. You've got to replace the entire wheel hub (thank you genius engineers at Chevy). My driver side front wheel was rubbing the frame and the hub cost around $350 plus $150 labor.

all 1998 and newer 4x4 blazers and s10s have front wheel bearing problems. If they are bad and you do not replace they can com apart then the only thing holding the wheel on is the axle shaft.