Parts for your 2011 Subaru Tribeca-Thrust bearing

2011 Subaru Tribeca thrust-bearing — what owners need to know

For anyone hunting a “thrust-bearing” for a 2011 Subaru Tribeca, here’s the straight answer: a clutch thrust/throwout bearing isn’t fitted or relevant on this model. Technical sources confirm the 2011 Tribeca was produced exclusively with a 5‑speed electronically controlled automatic transmission (5EAT), so there’s no clutch assembly and therefore no clutch release/thrust bearing to service or replace. This is supported by Subaru’s MY2011 Tribeca Owner’s Manual (transmission description), the Subaru Workshop Manual for Tribeca (Automatic Transmission/5EAT section), and Subaru’s electronic parts catalogue (EPC), which lists no clutch or release bearing for this vehicle.

Why isn’t a thrust-bearing used? On a manual gearbox, the thrust/throwout bearing lets the clutch disengage. The Tribeca’s 5EAT uses a torque converter instead, so it doesn’t need that bearing. While the engine itself (the EZ36 3.6‑litre H6) does have an internal crankshaft thrust bearing surface as part of the main bearing set, that’s a built‑in engine component only touched during a full rebuild, not a routine service item. Likewise, the automatic transmission has internal thrust and needle bearings, but these live deep inside the unit and aren’t catalogued as standalone service parts.

If someone’s chasing a “thrust-bearing noise” on a Tribeca, it’s worth steering diagnosis toward parts that commonly mimic that kind of whir or grind on automatics, such as:

• Torque converter or flexplate issues (rattle at idle in gear)
• Front accessory bearings (idler/tensioner, alternator) under the bonnet
• Wheel bearings or hub noise that changes with road speed

Good ownership practice here is simply to keep on top of the basics that actually matter to this driveline in Aussie and Kiwi conditions:

• Use the correct ATF and change it at sensible kilometre intervals if driving in heavy traffic, towing, or hot climates.
• Listen for new noises when selecting D or R, and check for leaks around the transmission and cooler lines.
• If there’s noticeable engine end‑play or a rhythmic knock, get a technician to measure crankshaft end float — it’s rare, but worth ruling out.

Technical sources consulted: Subaru Tribeca MY2011 Owner’s Manual (transmission overview), Subaru Workshop/Service Manual for Tribeca/B9 Tribeca (Automatic Transmission/5EAT and Engine sections), and Subaru FAST/EPC parts listings showing no clutch or release bearing for this model.

Popular questions about 2011 Subaru Tribeca thrust-bearing

Does a 2011 Tribeca have a clutch thrust/throwout bearing?
No. The 2011 Tribeca runs a 5EAT automatic with a torque converter, so there’s no clutch release bearing like you’d find in a manual. Any suspected “thrust-bearing” noise usually points to something else, such as the torque converter, flexplate, or an accessory bearing.

Is there any thrust-bearing to service on a Tribeca?
Not as part of normal servicing. The engine’s crankshaft thrust surface and the transmission’s internal thrust/needle bearings aren’t routine maintenance items. If there’s a symptom, it’s a diagnose‑and‑repair job rather than scheduled replacement.

What should be checked instead if there’s a bearing‑type noise?
Have a technician check ATF condition, listen for changes in noise when selecting D/R, inspect the flexplate and converter fasteners, and spin‑check front accessory pulleys. For road‑speed noises, wheel bearings and tyres are prime suspects.