Wheel Bearings for a 2008 Chevy Silverado 1500 4×4
What is a Wheel Bearing?
A wheel bearing is a crucial part of your 2008 Chevy Silverado 1500 4×4’s suspension system. It allows the wheels to rotate smoothly with minimal friction and supports the vehicle’s weight. The Silverado 1500 4×4 uses a sealed hub assembly, meaning the bearing is pre-installed inside the wheel hub and must be replaced as a unit.
Where is the Wheel Bearing Located?
The wheel bearings are inside the wheel hub assembly, which connects the wheels to the axle. In the 2008 Silverado 1500 4×4, there are two front wheel bearings and two rear wheel bearings:
- Front Wheel Bearings – Part of the hub assembly and require full hub replacement.
- Rear Wheel Bearings – Located inside the rear axle housing and pressed into the axle tube.
Signs of a Failing Wheel Bearing
- Humming, grinding, or roaring noise that gets louder at higher speeds.
- Vibration in the steering wheel or floorboard.
- Uneven tire wear due to excess movement.
- Wheel play or looseness when jacked up.
- ABS warning light if the bearing contains an ABS sensor.
How to Replace the Wheel Bearing on a 2008 Chevy Silverado 1500 4×4
Tools Needed:
- Jack and jack stands
- Lug wrench
- 15mm, 18mm, and 36mm sockets (for axle nut on 4WD)
- Torque wrench
- Hammer and pry bar
- Anti-seize lubricant
- Replacement wheel hub assembly (for front bearings)
Front Wheel Bearing Replacement (4WD & 2WD)
- Lift the vehicle and remove the wheel.
- Remove the brake caliper and rotor to access the hub assembly.
- Unplug the ABS sensor wire if equipped.
- Remove the axle nut (for 4WD models).
- Unbolt and remove the wheel hub assembly (may require hammering if corroded).
- Install the new hub assembly and torque bolts to manufacturer specs.
- Reassemble all components and lower the truck.
Rear Wheel Bearing Replacement
- Lift the vehicle and remove the wheel.
- Drain differential fluid and remove the axle shaft.
- Use a bearing puller to remove the old bearing from the axle housing.
- Press the new bearing into place with a bearing installer tool.
- Reinstall the axle shaft and refill the differential.
Cost of Replacing a Wheel Bearing
- Parts cost:
- Front wheel hub assembly: $100–$300 per wheel
- Rear wheel bearing: $50–$150 per bearing
- Labor cost:
- Front: $150–$400 per side
- Rear: $200–$500 per side (due to axle removal)
Final Thoughts
The 2008 Chevy Silverado 1500 4×4 uses sealed front wheel bearings, meaning the entire hub assembly must be replaced if the bearing fails. The rear bearings are pressed into the axle, requiring special tools for removal and installation. If you notice grinding noises, vibrations, or loose wheels, replacing the bearings promptly can prevent further damage to the suspension and drivetrain.
FAQs
1. How long do wheel bearings last on a 2008 Chevy Silverado 1500?
Wheel bearings typically last 100,000–150,000 miles, but harsh driving conditions can shorten their lifespan.
2. Can I drive with a bad wheel bearing?
No, a failing wheel bearing can cause wheel detachment or braking issues.
3. Do I need an alignment after replacing a wheel bearing?
Not usually, but it’s recommended if you replace multiple suspension components.
4. Can I replace just one wheel bearing?
Yes, but if one fails, the other on the same axle may wear out soon.
5. How do I tell if my front or rear wheel bearing is bad?
- Front bearing noise gets louder when turning.
- Rear bearing noise remains constant regardless of steering direction.
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