Welcome to the jungle of shit,,,,yes the beautiful mess of wiring and hoses under that engine cover on a N63,,,,customer said battery discharge light was on,,,,some other dealer replaced the battery and didn’t register the battery to the car,,,,so I check fault and found the alternator not charging,,,,the alternator lost the BSD signal,,,,if you look closely you can see the alternator buried under everything. First things first disconnect the battery please,,,,we don’t want any sparks flying under the hood before the 4th of July,,,,So you have to remove the small turbo coolant tank,,,and then the belt,,,,I also remove both turbo charge hoses,,,just so I have some more room to grab things and move things around. Now you unbolt the 4 bolts that hold down the alternator,,,,you then start to disconnect the alternator cables,,,,now the fuel line and harness that go over the alternator are a pain in the ass,,,,,unbolt the 2 small 8 mm nuts that hold down the fuel line,,,,swing away the fuel line brackets,,,now lift up on the bracket that lies on top of the alternator. Here you can see you can pretty much lift that bracket out while pulling the alternator out,,,reminder when putting the alternator back in there is a cooling duct for the alternator,,,the alternator should be sitting on top of it when n you bolt the alternator down,,,,,take your time when putting the new alternator back in.
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