I only see a DIY for replacing the ALT for a 12V. Same thing I would imagine for the 24V right?
Follow the 12v guide and you should figure it out it's pretty straight forward once you get into it did my first alternator change ever on my 24v few months ago and was not very hard
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03 24v GLI - 2003 Pathfinder LE - 1998 Jetta Vr6