Well I decided to replace the Bosch alternator with one from Advance instead of fooling with it. It has 250k miles on it so it's at the end of it's life. It is good and quiet now. __________________ 1996 Ti 280k miles and still going.... 1993 964 - holding on to this one 2001 Burban, 240k miles 2018 Suburban Z71 |