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DIY 2016 gti alternator replacement

YamR1rider

Drag Racing Champion
Location
Tampa, FL
Car(s)
2017 GTI Sport DSG
Just be very conscious as to how much you are moving the AC line when you've loosened the bracket - last thing you'd want to do is kink that line! Also make sure your coolant line(s) from the header tank and the hard pipe its connected to are all loosened up and well out of the way.
 

carbon_gecko

Go Kart Champion
Location
texas
Car(s)
2016 GOLf tsi 'S'
How'd it go? Did you remove the ac bracket?
Didn't, it flexes enough to slide the alternator between it and the intake manifold. I did release the plastic clip near the headlight on the frame though.
 

carbon_gecko

Go Kart Champion
Location
texas
Car(s)
2016 GOLf tsi 'S'
That's the bracket I meant, sounds easier than expected
The whole process took about 30 minutes with the most time spent sliding the old alternator out carefully, and triple ensuring the belt was realigned properly
 

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carbon_gecko

Go Kart Champion
Location
texas
Car(s)
2016 GOLf tsi 'S'
What were your symptoms for failure?
Considering that vw diagnostics were wrong I couldn't tell you anything other than generic alternator failing queues, I found out my issue was something completely different: ground loop from an amp.
 

rallymaniac555

Passed Driver's Ed
Location
ChiTown Burbs
Car(s)
2020 GTI S MT
I just completed the swap yesterday on my 2020 GTI.
It took about 2h total and the most time was spent cursing and trying to first get the fan shroud and later the alternator out.
For anyone that's trying to do this, once you unbolt the alternator and disconnect the harness and wire, the only way i found viable was to not turn the alternator in any way but get it out between the AC hose and the radiator. Keep the alternator upright almost in the same position that it's mounted to the block and just tilt as needed to clear the hoses. Yes, you need to muscle the hoses a bit but keeping it in this direction was the only way for me to get it out.
I spent about an hour flipping it around and trying other ways and ultimately this is the only one that worked for me.
Once the old one was out, putting the new one in was a breeze.
 
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