Propeller Shaft Centre Bearing
The centre bearing supports a two-piece propeller shaft in the middle and is mounted in rubber.
What is Propeller Shaft Centre Bearing?
It holds the shaft in place and damps vibration. The rubber mount can crack with age. It is often replaced as an assembly. When replacing it, the shaft must be refitted with the original alignment marks and the bearing height set as specified. A failed rubber mount lets the shaft move, which can damage the U-joints and the tunnel. Some shafts include a sliding joint near the bearing.
How it works
A ball bearing lets the shaft spin while rubber isolates vibration.
Why it matters for your car
A worn centre bearing causes rumble and vibration when accelerating. Clunking when moving off is also typical.
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