Quote:
Originally Posted by ML Dude
Diesel911 & Vstech,
The stock Bosch alternator for the 85 has an internal regulator, right? Are you recommending replacing just the regulator? Also, I thought the Bosch came in a 55a version as well as 65a, if I am measuring only 12.6-8V at idle, does that tell you my alternator is going bad or perhaps expected on a 55amp.
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That is basically the Battery Voltage.
I believe 13.3 Volts is the absolute minimum voltage when it is charging. 13.5-14.5 would be better.
Comment on rebuilt Alternators.
I had a bearing go bad in my Alternator about 2 years ago. When I pulled the Alternator it had a rebuilt by Bosch Noth America sticker on it.
The Bearings inside were made in China.
So if Bosch is cutting corners you can imagine what the other rebuilders are doing.
Since on eBay new Made in China Bearings were only $2.50 each shipped I bought two sets.
If the new set of Made in China Bearings goes bad I will replace them with the 2nd set I bought or up grade to a higher out put Alternator.
The good thing about taking the Alternator out of the Car and having it tested is that when it is tested the Wiring and groud are going to be OK. So it sort of tells you if you have a possible wiring issue.
If you do not trust one test take it for another free test some place else and get another opinion.