986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - How bad is my alternator (generator, dynamo)

Lapister · 07-28-2018, 01:31 PM

Video link won't work. The noise could be just a bearing but no charging would mean the internal regulator might be toast. Have you put a multimeter to the battery while running? Should see 14 plus VDC. If it's charging the bearing can be replaced.

07-28-2018, 01:31 PM	#2
Lapister Registered User Join Date: Dec 2014 Location: Pasadena Posts: 261	Video link won't work. The noise could be just a bearing but no charging would mean the internal regulator might be toast. Have you put a multimeter to the battery while running? Should see 14 plus VDC. If it's charging the bearing can be replaced.