Author Topic: i30 GD - Alternator noise - refurb or replace?  (Read 478 times)

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  • gb United Kingdom
i30 GD - Alternator noise - refurb or replace?
« September 28, 2021, 07:52:48 »
My i30 GD with 115k miles is making a bit of a light rattle from the alternator. Garage quoted £360 for new part (aftermarket) + labour. What are peoples thoughts on which is best out of me buying a new aftermarket part or having my original one refurbished?


  • i30 (63 plate) - newer shape?

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  • HOS BOSS
  • Posts: 26,967
  • england England
    Wirral
  • Wirral, UK. - 1.4 Petrol Active - Aqua Blue
Re: i30 GD - Alternator noise - refurb or replace?
« Reply #1 : September 28, 2021, 15:22:38 »
Europarts have 2 on their site circa £320 and £280.

Have they said what the issue is and whether bearing or the electrical unit.

Presume still charging.

Is there an auto electrician nearby for a 2nd opinion?
  • 1.4 Petrol Active I'm no expert, so please correct me if I'm wrong

Re: i30 GD - Alternator noise - refurb or replace?
« Reply #2 : September 29, 2021, 04:57:47 »
I asked and the mechanic who looked said needed a whole new unit. Surprised given it's giving 14.8v out and the battery is sat at 13.5v with the engine off, the only issue is that it's becoming a little noisy at times, not terribly...

I know sometimes the Kia parts are cheaper than Hyundai, anyone know of alternative part numbers that are suitable for this? Very expensive alternator, Hyundai tell me it's 37300-2A850
  • i30 (63 plate) - newer shape?

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  • Posts: 349
  • gb United Kingdom
    East Midlands
Re: i30 GD - Alternator noise - refurb or replace?
« Reply #3 : September 29, 2021, 13:33:17 »
The noise might be coming from the alternator pulley which has a freewheel mechanism built into the hub. That can be replaced independently of the alternator. I wouldn't be too concerned about fitting a reconditioned alternator as long as it has a decent warranty
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