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Rear Wheel Bearing Replacement
 
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Pelican Technical Article:

Rear Wheel Bearing Replacement

Jared Fenton

Time:

3 hours3 hrs

Tab:

$130 to $260

Talent:

*****

Tools:

E12 Torx socket with extension, breaker bar, penetrant spray, anti-seize compound, hammer, torque wrench

Applicable Models:

Volvo C30 T5 (2008-13)
Volvo C30 T5 R-Design (2008-13)

Parts Required:

Rear wheel bearing, mounting bolts

Hot Tip:

Soak the mounting bolts in penetrant spray before starting

Performance Gain:

Better handling and less noise

Complementary Modification:

Replace rear brake pads and rotors

Wheel bearings in general are a chore to replace. The rear wheel bearings on the Volvo C30 are a little easier to remove than most. The C30 uses a cartridge style bearing that incorporates a new wheel hub and also the ABS sensor into one assembly. This is held to the rear trailing arm with four E12 Torx bolts that tend to rust in place. I highly recommend spraying down the bolts and mounting face with high quality penetrant oil for a few days before attempting to remove the bolts. It can help make things go a little bit easier.

Accessing the bearing assembly requires jacking up the rear of your car and securing it on jack stands. See our article on Jacking up Your C30 for more information. You'll also need to remove both the brake caliper and rotor. See our articles on Rear Brake Pad Replacement and Rear Brake Disc Replacement for more information.

Shown here is the rear wheel bearing assembly for the Volvo C30.
Figure 1

Shown here is the rear wheel bearing assembly for the Volvo C30. You'll note that the ABS sensor (green arrow) is incorporated into the assembly as well as the wheel hub (yellow arrow). You may want to put a very light coat of anti-seize compound along the mounting face (purple arrow) to make it easier to remove, if needed in the future (picture courtesy of iPd).

Left and right sides of car: Shown here is the rear wheel bearing assembly for the Volvo C30 after the brake caliper and rotor have been removed.
Figure 2

Left and right sides of car: Shown here is the rear wheel bearing assembly for the Volvo C30 after the brake caliper and rotor have been removed. You'll note that the assembly is bolted in place from inside the trailing arm. Use a good penetrant oil such as Aerokroil to soak each of the four bolts around the perimeter (green arrows, opposite side bolts out of view). You may want to schedule an extra day to let the bolts soak.

Left and right sides of car: In this picture, you can see two of the four E12 Torx bolts (green arrows) that hold the bearing assembly in place.
Figure 3

Left and right sides of car: In this picture, you can see two of the four E12 Torx bolts (green arrows) that hold the bearing assembly in place. Press the tab on the electrical connector (yellow arrow) and pull it off the ABS sensor. Soak all four bolts with penetrant oil from this side of the trailing arm as well. You'll want to use a long extension, breaker bar and take your time removing the bolts. Don't worry if one or more bolt heads snap off. You want to replace the mounting bolts regardless. Once the bolts are out, you should be able to use a hammer on the outside edge to tap the assembly out of the trailing arm. When fitting the new bearing assembly use new bolts with anti-seize compound and torque to 30Nm (22ft/lbs.). 


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