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Front Wheel Bearing Replacement
 
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Pelican Technical Article:

Front Wheel Bearing Replacement

Kerry Jonsson

Time:

3 hours3 hrs

Tab:

$150

Talent:

*****

Tools:

Set of sockets (10mm, 13mm, 15mm, 32mm), E14 socket, pry bar, wire brush

Applicable Models:

Volvo V70 (2000-03)
Volvo V70 2.4 (2004-06)
Volvo V70 2.4T (2001-03)
Volvo V70 2.5T (2004-06)
Volvo V70 2.5T AWD (2004)
Volvo V70 AWD (2002-03)
Volvo V70 GLT (2000)
Volvo V70 GLT SE (2000)
Volvo V70 R (2004-06)
Volvo V70 R AWD (2000)
Volvo V70 T5 (2001-05)
Volvo V70 X/C (2001-02)
Volvo V70 X/C AWD (2000)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Front wheel bearing, wheel bearing fasteners, axle bolt

Hot Tip:

Replace in pairs

Performance Gain:

Quiet and smooth front end

Complementary Modification:

Replace brakes

The front wheel bearing on Volvo V70 models bolts into the steering knuckle, it makes replacing it quite easy compared to vehicles where the bearing presses in. A faulty wheel bearing can exhibit a few warning signs. The most obvious would be a howling or grinding noise from a front wheel while in motion. This noise would get louder when you steer side to side. You can check for a noisy wheel bearing with the vehicle stationary too. Jack the front of your vehicle and rotate the front wheel, while rotating place your hand on the front coil spring. You should be able to pick up a vibration in the spring. There may also be free-play in the bearing. You can check for free-play by jacking the front of your vehicle and wiggling the wheel up and down. If there is any free-play, replace the bearing. If you have a knocking sound in your front end when applying your brakes, check that the axle bolt is tight. I find quite a few axle bolts that back out, when this happens you will have to replace the wheel bearing and the axle bolt.

Remove the hubcap from side of vehicle you are replacing wheel bearing on.
Figure 1

Remove the hubcap from side of vehicle you are replacing wheel bearing on. Then using a 13mm socket, loosen the axle bolt. If you have the style with an axle nut, it will be 32mm. Raise and support front of vehicle on jack stands. See our tech article on jacking your vehicle. You'll want both wheels off the ground for this repair. Remove front wheel from side of vehicle you are replacing wheel bearing on. Remove brake rotor from axle you are replacing the wheel bearing on. See our tech article on brake rotor replacing.

With brake rotor removed, remove axle bolt.
Figure 2

With brake rotor removed, remove axle bolt. Then pull axle from back side of wheel bearing to free it. If it is stuck, use a brass punch to free it. The axle bolt cannot be reused, throw it away.

Next, you have to remove the lower ball joint pinch bolt.
Figure 3

Next, you have to remove the lower ball joint pinch bolt. The bolt size here can vary depending on if it has been replaced. The bolt is usually 15mm with a 14mm nut.

Working at back of steering knuckle, lubricate the ball joint with penetrating oil.
Figure 4

Working at back of steering knuckle, lubricate the ball joint with penetrating oil. Then lever the ball joint out of the steering knuckle using a pry bar (green arrow).

Pull the steering knuckle out and remove the drive axle from the steering knuckle.
Figure 5

Pull the steering knuckle out and remove the drive axle from the steering knuckle.

Now you have to remove the four E14 inverted Torx fasteners (green arrows).
Figure 6

Now you have to remove the four E14 inverted Torx fasteners (green arrows). Before doing this, cover the drive axle boot to protect it during the repair. I suggest cleaning the fastener heads with a wire brush to ensure a good fit for your socket. These bolts have a tendency to strip out with removing. If this happens, you will have to cut or grind the head of the bolt off to remove it. I always replace these bolts during the procedure even if they come out in one piece.

With the bolts removed, knock the wheel bearing out of steering knuckle using a hammer.
Figure 7

With the bolts removed, knock the wheel bearing out of steering knuckle using a hammer. Then clean the wheel bearing mounting surface with a wire brush.

You can see a bolt that is still in the wheel bearing (green arrow).
Figure 8

You can see a bolt that is still in the wheel bearing (green arrow). I had to cut the head off as mentioned in the previous step. Install new wheel bearing and tighten fasteners. Install new axle bolt finger tight. Reinstall brakes, and front wheel. Remember to pump brake pedal before driving vehicle.

With hubcap removed, lower vehicle, then torque axle bolt.
Figure 9

With hubcap removed, lower vehicle, then torque axle bolt. 26 ft-lbs + 90° (torque spec for axle bolt style shown in article, check the latest repair manual for your specific torque). Once torqued install the hubcap.

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