Alternator Replacement with Pics for 4.4 M62 V8 (rebuilt)

[David.X5]

I know this is an old thread but wanted to add two "lessons learned"

First, rock auto has re manufactured units at good prices. They are very quick about core deposits, etc.

Second, on the water cooled unit, the bolt circle is evenly spaced so you can install the alternator rotated to the wrong position. At first, it does seem to matter, but the wires can get pressed against the frame rail causing intermittent short and CIL. Rotating the alternator to the correct orientation fixes this. Take a picture or make a mark for yourself before you remove the old one so you get it in right!