The short version
- A GMC wheel bearing is the same hardware as the Chevrolet equivalent. Sierra and Silverado share the front hub family.
- Buy on drivetrain, year and stud count, never on the badge. The badge tells you nothing the parts counter needs.
- Denali and other upper trims often run larger wheels, which loads the bearing harder for the same driving.
- Everything here is a bolt on unit, so the obstacle is corrosion rather than press work.
GMC and Chevrolet trucks are the same vehicles with different grilles. That is genuinely useful to an owner, because it doubles the parts information available to you.
It also means the failure patterns are identical.
What a GMC wheel bearing shares with Chevrolet
Sierra and Silverado, Yukon and Tahoe, Acadia and Traverse, Terrain and Equinox are pairs built on the same platforms.
The front hub is a bolt on unit held by bolts through the knuckle, with the wheel speed sensor built in.
The full detail sits on the Chevrolet page, which covers the same hardware and the same two rust problems.
The two failures worth knowing
The hub spigot corrodes into its bore and needs a puller rather than force on the flange.
Separately, corrosion under the wheel speed sensor lifts it away from its ring and sets a fault code on a perfectly good sensor.
Those are on the stuck removal page, the hub puller page and the ABS light page.
Trim levels change the loading
Denali and similar trims usually carry larger wheels with a lower profile tire, and sometimes a different offset.
Moving the contact patch outboard lengthens the lever the bearing has to resist, and bearing life falls steeply with load rather than in proportion to it.
That is on the spacers page and the load rating page.
Ordering the right part
Drivetrain first, because a four wheel drive hub has to pass an axle shaft through the middle and a two wheel drive one does not.
Then year and stud count. Six stud and eight stud trucks take different parts, and the same model name spans both.
Cross referencing is on the cross reference page and sizing on the sizes page.
GMC wheel bearing arrangements by model
| Model | Front | Rear |
|---|---|---|
| Sierra 1500, 2500, 3500 | Bolt on hub unit | Axle bearing in the housing |
| Yukon, Yukon XL | Bolt on hub unit | Axle bearing in the housing |
| Acadia, Terrain | Bolt on hub unit | Bolt on hub unit |
| Canyon | Bolt on hub unit | Axle bearing in the housing |
Read the rear column. On the trucks the rear is an axle bearing in the housing, which is a different job from the front entirely.
That difference is on the axle bearing page.
Doing the job
- Break the axle nut loose on the ground before jacking on four wheel drive.
- Soak the bolts from behind the knuckle well in advance.
- Pull the spigot rather than hammering the flange.
- Clean the bore and the sensor face back to bare metal, and leave both dry.
- Torque to the published figure, since the axle nut sets clamp load here.
Torque data is on the torque specs page.
Common questions
Is a GMC wheel bearing the same as a Chevrolet one?
On the paired models, yes, the front hub is the same family. Confirm by drivetrain, year and stud count rather than by badge.
Do I need a press?
No. These are bolt on units, so the difficulty is corrosion rather than press work.
Why will the hub not come out?
The spigot has corroded into the knuckle bore. Use a puller and penetrating oil.
Does a Denali eat bearings faster?
Larger wheels and offsets increase the load the bearing carries, so all else equal it is harder on them.
Why is the ABS light on?
Often corrosion lifting the sensor away from its ring rather than a failed sensor or a failed bearing.
Is the rear the same job?
Not on the trucks. The rear is an axle bearing inside the housing, which is a different repair.
Which GMCs ask about this most?
Sierra, then Yukon, Acadia and Terrain.
By model
- GMC Acadia Wheel Bearings: The 2017 Size Change wheel bearings
- GMC Canyon and Colorado Wheel Bearings: the Six-Hub Front wheel bearings
- GMC Envoy Wheel Bearings: One Hub, Five Badges wheel bearings
- GMC Jimmy wheel bearings
- GMC Sierra Wheel Bearings: A Silverado Underneath wheel bearings
- GMC Sonoma wheel bearings
- GMC Yukon Wheel Bearings: Four Badges, One Hub wheel bearings