Question about Pontiac Grand Prix

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Jack the car up the wheel is loose would it be the bearings or axle

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The obvious (which you probably already did thing to check lst --are the lug nuts tight, is the center spindle nut tight. It could be the bearings,but I would then check your ball joints or tie rods. Grab the tire at the top and bottom, try to move the tire in and out. Have someone watching the ball joints to see if there is movement (aka, play, they are loose). Next grab the tire at the front and back, and again try to pull it in and out while someone watches. If you can see movement in these components, they should be replaced asap (car won't handle as well, tires wear out quicker, etc) good luck countrycurt0

Posted on Aug 15, 2008

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The rear end sounds like the bearing is going bad? like a tire with a bad cord.


jack up and remove wheels please use jack stands , rotate each wheel slowly and listen for noise at hubs or differential, maybe just an hub bearing, if axle bearing look for wet backing plate or grease around brakes . if axle bearing you have to get chiltons or haynes Manuel for truck and follow instructions

Mar 15, 2011 | 1999 Jeep Grand Cherokee

1 Answer

I need to know how to replace the hub bearings on my grand am


The front wheel bearings on this car come as a sealed unit inside the wheel hub.
things you will need to replace them
-torque specs for your cars axle nut, hub retaining bolts, brake caliper mounting bracket bolts, and wheel lug nuts.
-a socket set
-a breaker bar
-a axle nut socket
-a c-clamp
-a jack
-two jack stands

To complete the job follow these steps
1) remove the hub cap/wheel center cap
2) remove the axle nut cap (use the tip of a small flat screwdriver to pry up one edge, pull it off)
3) remove the cotter pin from the end of the axle shaft
4) using a breaker bar style wrench (non-ratcheting socket wrench) with a helper pipe slid over the end to increase leverage use an axle nut socket to loosen the axle nut without removing it.(these are torqued pretty tight and can be stubborn, don't be afraid to use a generous amount of penetrating fluid).
5) once the nut is loose, loosen the wheel lug nuts
tip: doing steps 4 and 5 is made easier with the weight of the car on the ground to keep the wheel from spinning while you loosen the nuts.
6) jack up one corner of the car, and support it with a jack stand. lower the jack to rest the weight of the car on the jack stand, then lift the jack back up to contact the cars jacking point, without taking the weight off the jack stand. leave the jack in place as added support.
7) remove the wheel
8) remove the brake caliper from the hub (if you remove the caliper mounting bracket with the caliper still attached as a unit it's only two bolts to remove it together) hang it from the strut spring with some heavy wire or a metal clothes hanger being sure not to pinch or kink the brake line in the process.
9) remove the brake disc/rotor
10) locate the wheel speed sensor (a small electronic box located on the back side of the wheel hub) a small bolt secures it to the hub, remove the bolt and move the sensor to the side out of your way.
11) locate and remove the three hub retaining bolts (reachable from the rear of the hub)
12) remove the axle nut and use a jack stand to support the axle shaft
13) use a "soft blow" hammer (if possible) to tap on the back side at the outer edges of the hub working your way around in a circle so as to drive the hub out of its housing/steering knuckle evenly. As the hub comes out of the housing/steering knuckle the axle will want to slide with it, in turn pulling the axle out of the transmission. try not to let this happen. if necessary tap lightly on the end of the axle shaft to free it from the hub, once the hub comes loose remove it. this is where supporting the axle with a jack stand comes in handy. try not to allow the axle to scratch the hub mating surface.
14)clean the cavity that the hub came out of, remove the axle shaft support jack stand as you slide the new hub into place lining up the axle and the holes where the hub retaining bolts go (if you just shove it in, it can be impossible to turn it to line up the bolt holes) be sure that it is seated tightly against the steering knuckle, and that the axle is all the way into place. put the axle nut on but do not tighten it yet
14) replace the hub retaining bolts and torque to specs
15) replace the wheel speed sensor
16) replace the rotor/brake disc
17) replace the brake caliper and mounting bracket unit, this may require you to spread the brake pad pistons (this is easiest with a c-clamp slowly squeezing the piston open so as to not create too much pressure in the brake line or master cylinder). if a c-clamp is not available a large pair of channel lock pliers can do the job. once its in place, torque the caliper bracket mounting bolt to specs
18) raise the car off the jack stand, tighten the axle nut to snug and replace the wheel, remove the jack stand and lower the car to the ground.
19) torque the axle nut to specs
20) replace the axle shaft cotter pin and axle nut cap
21) torque the wheel lug nuts to specs
this should complete one side so switch your tools and equipment to the other side of the car and repeat the process. i hope this helps

Jan 05, 2011 | 1996 Pontiac Grand Am

1 Answer

How to replace front wheel bearing


Jack up vehicle, use jack stands for safety. Remove wheel, brake caliper, axle nut, brake caliper bracket, rotor. Remove wheel hub bearing bolts, unplug speed/abs sensor, remove bad assy. Good idea to clean up any corrosion on spindle where bearing mounts and use anti seize in case you have to replace again down the road. Sometimes it is a pain to get bearing assy. loose from spindle because of corrosion. Reverse order of dissassembly and use manuf. suggested torque for reassembly.

Nov 11, 2010 | Chevrolet Venture Cars & Trucks

1 Answer

Need to change a front wheel bearing...is it hard to do myself?


moz-screenshot-2.png-Jack up the car
-remove the tire, 19mm socket
-remove the brake caliper, its either an 18mm or 15mm socket that will remove the bracket bolts.
-remove the rotor
-remove the axle nut, its either a 34 or 36 mm
-unplug ABS sensor connector if equipped
-remove the three bolts that hold the bearing/hub assembly to the knuckle, a 13mm socket will work
Remove the wheel bearing.

It is important to tighten the axle nut to the proper spec. Failure to do so will cause the new bearing to fail. you will need a 1/2" torque wrench for this.

To make removing and installing the axle nut easier place a punch in the fins of the rotor and rotate the rotor until the punch rests on the caliper (it doesn't hurt to put a couple lug nuts on to hold the caliper tight to the hub). This will hold the hub in place while you looses and tighten the axle nut.

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Nov 09, 2010 | Chevrolet Tahoe Cars & Trucks

1 Answer

Wheel bearing assembly


I assume front.
I just finished this job on my 01 Aurora. 1) Loosen Axle Nut - 33mm (with tire on ground so you don't torque the trannie) 2) Remove wheel 3) Remove caliper 4) Remove Tie-Rod end 5) Remove bolts holding strut to wheel assy. 6) Remove axle nut 7) Remove 3 bolts holding wheel bearing (I use a lot of PB Blaster on nuts and around the flange of the wheel bearing.) 8) Disconnect the wheel Speed sensor wire. 9) Remove wheel bearing - it may be stuck. I use PB Blaster and a big cement chisel to get it loose 10) At this point I always replace the Half-Shaft if the car has 100K miles or more. The only cost $50.00 and you've aready done all the work to get to it. 11) Just tap the axle spline to remove the wheel bearing - you don't need a puller or anything like that. 12) Put it all back together. Don't forget the plate that holds the wheel speed sensor clip - I always seems to forget this!
Good luck.
P.S. I was sure the wheel bearing noise was coming from my L.F. bearing, but it had no play in it. (Hold wheel at the 12 and 6 positions and see if you have any play.) So at the last minute I jacked of the R.F. and found just a bit of play. I went for the R.F. and that was the one that was bad.

Jul 07, 2010 | 2000 Oldsmobile Intrigue

1 Answer

How to replace 2002 hyundai elantra hub and bearing


With the car on ground, break loose the drive-axle nut, and the wheel nuts , than jack up the car, support it properly, remove the wheel ,remove the axle-nut.
Remove the brake caliper assembly-- support it properly.
Remove the two bolts that hold the hub bracket to the Macpherson strut assemble, remove the lower arm ball joint and remove the steering tie- rod ball-joint attached to the hub bracket. That's it.Slide off the hub /with the bracket off the drive-shaft.
Follow steps backwards to assemble back.

Apr 09, 2010 | Hyundai Motor 2002 Elantra

1 Answer

Front wheel bearings need replacement


It is uncommon for your 2008 to need front wheel bearings this soon, but if it is the case, then I can talk you through the process.
First, jack up the truck and take the tire off. For your own safety, place a minimum of a 2 ton jack stand under the frame. Next, take your brake assembly apart. including the pads, rotor, caliper, and the arm that holds the pads in place. There are 2 5/8" bolts on the back side of the axle housing that hold it in place, and you will need to take them out.

Next, you will see your main axle nut on the end of the axle, and it should have a cotter pin through it. Remove the cotter pin, and the axle nut should be a 32mm nut, and will be most easily broken loose with air tools. Remove the axle nut, then you will see your wheel studs attached to a triangle shaped flange. That triangle is the wheel bearings. It will have a small wiring harness that goes up under the wheelwell. follow it and disconnect it from the closest connection. You will need to place a large screwdriver on the flange to pry it loose. When it comes out, clean the inside of the axle with parts cleaner and a small piece of sandpaper or emery cloth.

Take your new bearing assembly and install it exactly as the old one came out. Put the axle nut back on and tighten it down, replace the cotter pin, and put your brake assembly back together. Don't forget to plug the wiring harness back together as the wires are for your ABS. Put the tire back on and remove the jack stand. Good luck with it, it is a big job, and the wheel bearings are one of those things that if you replace one, you should do both sides.

Feb 20, 2010 | 2008 Ford F 250 Super Duty 4WD

1 Answer

How do i remove the front wheel bearing?


Replacing a front wheel bearing on a front-wheel drive car is not usually very easy to do. Typically, you remove the tire and then remove the nut on the end of the drive axle. (The nut is usually pretty big - maybe 27mm as a guess. It's also very tight. The spec for this car is 120lbf, or roughly 2x as tight as a lug nut. If you don't have the right socket and breaker bar/ratchet/impact driver, go buy one.) Next, you remove the brake caliper and disk. You can then use a hammer/punch to free the end of the axle from the wheel bearing (you probably do not need to completely remove it, just budge it loose from the splines). Finally, the wheel bearing is usually just held in with ~4 bolts. If you've got the axle out of the bearing, it should come off fairly easily.

This job does usually require a few specialized tools, but is not too difficult. The hardest part is usually getting the nut off the axle and freeing the axle from the splines in the wheel hub. Just be sure to properly support the car with jack stands, because you'll be really tweaking on some of those nuts, and you don't want the car to be unstable.

Jul 18, 2009 | 2001 Pontiac Bonneville

2 Answers

How to replace front wheel bearing on 2003 GMC ENVOY


Jack up vehicle and support with jack stands
Take off wheel
remove brake caliper
remove caliper bracket
remove rotor
remove axle retaining nut cotter pin
remove axle retaining nut
remove axle from output flange
pull axle out of vehicle
hub and bearing assembly held in by 4 bolts

installation is reverse of removal. You will need to find out the torque specs for the axle retaining nut.

Jan 14, 2009 | 2002 GMC Envoy

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