bosch alternators and belts

calvink at calvink at
Thu Feb 10 09:34:18 EST 2005

I agree, those older bosch alternators are pretty
inderstructible.  I've had several with over 200K miles on
them, running 100 W watt headlights & 55 watt fogs, jump
started all sorts of cars, trucks, and even a bus. Never had
one fail yet.  The only problem I have had was with one
brand of belt.  Dayco belts would survive about a week. 
Switched to Gates, problem solved.  Apparently, the dayco
has a bit too much "stretch"  so they slip, get hot, snap. 
Why did they ever do away with that gear-drive belt
tensioner?  I love those things.

Calvin Krug

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