AO Silver Member
Join Date: Mar 2003
Location: Dublin, Ireland.
Re: Odd Scouring/bearing Type Noise 146 Boxer
These questions seem to crop up every so often... there are multiple sources for noise like this.
One could be the bearings for the water pump. These waterpump noises tend to either soften as then engine warms, or the inverse.
The belt tensioners may be worn. Many people replace the belts and fail to do the tensioners. There are two of them in the boxer 1.6 8v.
The powersteering pump is the final source, you may easily remove the pulley to diagnose this one, but it's not overly frequent.
After that, squeeling can occur from loosened nuts and bolts around the exhaust branches.
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