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Trying to troubleshoot a noise im getting from my 1999 996 C2, 115,000 km.
The noise can be described as a howl, that is completely dependent on vehicle speed, and only occurs when the transmission is in any gear with the clutch engaged, when there is no throttle (eg. Engine braking).
My first thought was probably pinion bearings, but it seems most people were only getting the noise when throttle was applied, where my noise goes away when I apply throttle.
I appreciate any help.
still suspect pinion bearing - if it is the case it will get progressively louder
I struggled to locate a canadian shop who would take it on for me - in the end, I shipped my trans south of the border. My feeling was that I'd rather have mine gone through than take a chance on a used unit.
Best of luck,
