Parts for your 2010 Subaru Tribeca-Centre bearing

2010 Subaru Tribeca centre-bearing

Yes — the 2010 Subaru Tribeca uses a centre-bearing (carrier bearing) on its two-piece propeller shaft. This is documented in the Subaru Tribeca 2010 Service Manual under Propeller Shaft (removal/installation and inspection show a centre bearing and bracket), and mirrored in the Subaru Electronic Parts Catalogue (Group 27: Propeller Shaft & Universal Joint), where the carrier/centre support is shown as part of the shaft assembly.

On this model, the centre-bearing supports the two-piece shaft between the transmission and rear diff, keeping everything aligned under load while damping vibration. The sealed bearing spins on the shaft while a thick rubber isolator in the carrier bracket absorbs movement. That combo is why a Tribeca feels smooth at highway speeds even with constant AWD torque going rearwards.

There’s no regular maintenance for the bearing itself — it’s sealed — but it should be inspected during services. A quick look at the carrier’s rubber, the bracket, and any free play in the shaft can save headaches later.

• Common symptoms: a droning or humming that rises with road speed, vibration between roughly 60–100 km/h (often worse on throttle), a thump on take-off, visible sagging or tearing of the carrier rubber, or noticeable play when the shaft is moved by hand.
• Typical causes: age and heat hardening the rubber, fluid contamination from leaking transmission/diff seals, harsh road impacts, or incorrect shaft angles on lifted vehicles.

When replacement is needed, Subaru commonly supplies the centre-bearing integrated with the complete propeller shaft assembly, as reflected in the parts catalogue. Many driveline specialists can press in a new bearing and re-balance the shaft if you prefer a rebuild, but proper phasing and balance are critical to avoid vibration.

Good workshop practice on the Tribeca includes marking the flanges and yokes before removal to maintain phasing, supporting the shaft to protect the joints, fitting the carrier bracket in its neutral position (don’t preload the rubber), and torquing all hardware to the Service Manual specs. After refit, check transmission and rear diff mounts, road-test for vibration under load and coast, and re-check fasteners. If there’s still a buzz, look at tyre balance, rear diff bush wear, and the front/rear uni-joints as well.

Look after the centre-bearing and the Tribeca’s AWD stays quiet, tight, and happy doing the K’s.

Popular questions

Does the 2010 Subaru Tribeca actually have a centre-bearing?
Yes. Subaru’s 2010 Service Manual for Tribeca shows a two-piece propeller shaft with a centre support bearing and bracket. The Subaru parts catalogue also lists the carrier as part of the prop shaft assembly for this model.

Can the centre-bearing be replaced on its own?
From Subaru, it’s typically supplied with the complete propeller shaft. However, reputable driveline shops can press in a new carrier bearing and re-balance the shaft. If going that route, make sure they maintain correct phasing and provide balance results to avoid new vibrations.

How long should a centre-bearing last on a Tribeca?
Plenty last well beyond 150,000 km, but heat, fluid leaks onto the rubber, rough roads, towing, or suspension lifts can shorten life. Regular inspection during services helps catch a soft or torn carrier before it causes vibration or damages the uni-joints.