3rd Generation GK Specific DIY: Repair & Maintenance Sub-Forum Threads discussing repairs and maintenance you can do yourself on the 3rd generation Honda Fit (GK)

2015 EX CVT - Alternator replacement

Old Nov 29, 2022 | 10:20 PM
  #1  
fibrepunk's Avatar
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2015 EX CVT - Alternator replacement

Anyone did this for their GK? Any tip to make it easier to remove the alternator?

Plan:
1) Jack car up
2) Remove serpentine belt (will replace with new belt)
3) ?????


Mine is failing. Stalled on me a couple days ago, fortunately I was able to restart the car and drove home. Tested it and it would get 12.4v at idle, even when rev up to l3k RPM. With the engine running, when I turned on the front light, it would go up to 14.2v and when I turned off the light, it would go back to 12.4v on my meter.
 
Old Sep 26, 2023 | 08:42 PM
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Instead of starting a new thread I thought I'd post here.

I'll be replacing the alternator on my 2016 Honda Fit EX CVT. Any suggestion would be greatly appreciated. A link to a video would be greatly appreciated.

Thanks in advance.
 
Old Oct 2, 2023 | 09:29 AM
  #3  
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To answer my own post, I did it the other day and it wasn't too bad. Just take your time. Don't force anything. Be on the lookout for retainer clips on electrical connectors.

The hardest thing was loosening then tightening the bottom mounting bolt on the alternator. You need a U-joint for your sockets. And creativity and patience.
 
Old Oct 2, 2023 | 11:29 AM
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I was driving down the road with about 3000 miles on my new 2015 Honda Fit. I had installed a digital voltmeter on the dash when I bought the car. It was always at 13.8 to 14.2 when motor running. Suddenly started going down to 12.4 volts while driving. I thought alternator went bad. Alternator was OK. It went back to charging after a few minutes of driving. The Fit has a sensor on the negative battery post that sends a signal on current draw to the computer. The Fit then turns off charging when not needed to save gas. If you have a stock 151 battery you can make it charge all the time just by unplugging sensor connector. When I bought the larger 51r battery for the fit I plugged the sensor back in and it has not dropped out again in 8 years with the big battery. When you turned on your headlights you put more load on the system and the charging turned back on. This is normal operation on the Fit. Hope that helps.

James
 
Old Oct 2, 2023 | 12:12 PM
  #5  
max503's Avatar
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Originally Posted by James Butler
I was driving down the road with about 3000 miles on my new 2015 Honda Fit. I had installed a digital voltmeter on the dash when I bought the car. It was always at 13.8 to 14.2 when motor running. Suddenly started going down to 12.4 volts while driving. I thought alternator went bad. Alternator was OK. It went back to charging after a few minutes of driving. The Fit has a sensor on the negative battery post that sends a signal on current draw to the computer. The Fit then turns off charging when not needed to save gas. If you have a stock 151 battery you can make it charge all the time just by unplugging sensor connector. When I bought the larger 51r battery for the fit I plugged the sensor back in and it has not dropped out again in 8 years with the big battery. When you turned on your headlights you put more load on the system and the charging turned back on. This is normal operation on the Fit. Hope that helps.

James
That is very interesting. Thank you.
 
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