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Discussion Starter #1
Hi all,

I've just finished rebuilding my 110 hdi and the engine started first time and sounds good when idling.
However, when I drive it I hear a loud tapping noise from the engine bay that increases with engine speed. I can hear it in all gears whenever the car is under load so it's louder when going up hill.

In order to rule out crankshaft pulley/tensioner I'm wondering if it is safe to take the car for a short (1 or 2 mile) test drive with the auxiliary belt removed.
After all it only drives the alternator and aircon so I suspect it would be OK.

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