What is a Alternator?

The Alternator is part of the car Electrics system. We have 4 associated problem symptoms connected to it.

We also have 1146 owner problems that mention it.

What problems can be caused by a faulty Alternator?
1146 problems that mention the Alternator

Showing the latest 10, see more problems here

Cooling Fan

I had a bad alternator, replaced it and now the cooling fan is coming on full blast when it feels like, sometimes even when the engine is not up to running temp, switch off and restart engine, it stop...

2010 Peugeot 308 1.6 petrol
Posted: Aug 9, 2022
Dynamo measure 12.3. measurement

Without any problem in car..replace it with same measurment

2017 Peugeot 301 1.6
Posted: Aug 1, 2022
Car will not start airbag lighton and headlights

Was driving when the airbag light suddenly came on, pulled over and switched engine off and tried restarting but wouldn't crank, when i turned the key the headlights came on. I got someone to give it ...

2007 Ford S-Max zetec 2litre diesel
Posted: Jul 24, 2022
Intermitant power steering

Intermitant power steering some days its fine others the power steering does not work as I slow down. dashboard yellow warning light comes on. i have to turn engine on and off and it releases. can do ...

2013 Seat Ibiza 1.4 toca
Posted: Jul 23, 2022
Battery and engine warning light on

Warning lights displayed on the dash. Battery, engine and abs

2008 Vauxhall Astra Breeze
Posted: Jul 18, 2022
Electrics suddenly cutting out and restarting

All at the same time my AC cuts out, my Nissan connect goes blank, my power steering stops working and brakes fail. A second or two and it all comes back on. The engine keeps going. 2013 Qashqai 1.6 D...

2013 Nissan Qashqai 1.6 DCI
Posted: Jul 16, 2022
Screeching noise when driving and sound after engine switch off when air condition is on

When driving i could hear screeching or sonic like noise especially when air condition is on also a bit of bubbling noise after switching off the engine

2018 Citroen C3 Flair 110
Posted: Jul 11, 2022
Flat battery where is the volts draining away too

Battery volts draining quicker then water down plug hole, connect booster pack to battery turn the key it does its normal sweep then comes up with error New Battery fitted 6 weeks ago

2019 MG ZS 1.0 excite
Posted: Jul 4, 2022
No spark

had alternator replaced due to the old one failing (bushes failed when driving) engine now not firing. No fault codes are registering on the dash as the engine hasn't fired since. Could it have damage...

2008 Vauxhall Astra 1.8 petrol
Posted: Jul 2, 2022
Electrical and charging problems

I bought this car on 07/06/2002, 2 weeks ago. I took it for a test drive, and it was all fine. After driving it for 2 days, the battery light and airbag lights came on. I then decided to replace the a...

2002 Ford Fiesta 1.3 Finesse
Posted: Jun 25, 2022
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