Got it. So am I correct in thinking that these Bosch alternators have both diodes to get to DC and voltage regulators to make it a clean voltage?
Welp... the alternator AND the battery are dead. New battery is in, now to do the alternator but I need food first. I was amazed that the store had a rebuilt Bosch alternator IN STOCK
My 05' Golf TDI came with a Bosch unit from the factory and lasted about 90k or so, I replaced it with a Bosch Reman and its been doing well, 120k now.
I got an OEM (Bosch) new replacement 120A alternator from German Auto Parts. It came with the pulley installed.
I ended up with a Bosch reman from AutoHausAZ .. was a bit cheaper than europarts-sd.
I would definitely replace your alternator if it is dead. I had the same problem on another one of my cars (Ford). It was really frustrating because the alternator tested good but it kept happening so I thought it was the battery and got a new one. It stopped for about a week but then started again. The alt. was the problem after all. I would also go oem Bosch because the autozone ones don't last that long.
The car had a choppy idle before installing the eBay Corrado G60 140 Amp Alternator . After slapping this on it cured the rough idle and flickering HID's at night on cold start up.
eBay came through for me. I located a 140 amp (vs 90) alternator from a shop in L.A. The Bosch rebuilt G60 alternators use good, but not the best bearings. The owner said he'd use a good core, put in the better bearings (SKF) and build one from scratch for me (gratis). He recommended against using the OAD on the pulley.
Yeah I just bought a bosch too and it was too wide also I had to hacksaw a mm off to get it to fit in my bracket.
non bosch reman alternators are the worst...they rarely last long, so you are having a typical experience changing them out all the time....lifetime warranty is nice with those cause they suck, period.
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