Alternator Repair in Cardiff

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Is your battery not charging? Do your headlights dim when you press the accelerator? If so, you probably have an Alternator Fault.

A new alternator may be necessary to power your engine sufficiently and ensure safety.

Along with alternator repair, battery problems may also be an indication of starter motor failure.


Receive alternator prices for garages across Cardiff and get booked in today when you enter your registration in the form above!

Top garages for Alternator Repair in Cardiff (86 found)
Fairwater Garages
281 Jobs Completed
Fairwater
2.6 / 5

We are a family business with over 40 years experience in the motor trade. We believe in a totally transparent service and we regularly welcome customers into our worksh

Euro Testing Centre Ltd
1451 Jobs Completed
Cardiff
4.7 / 5

We are a family owned garage in Cardiff, who is prides itself on the quality of work done. We have a four-ramp Garage and MOT Test centre able to help with MOTs and repai

Windway Tyres Cardiff - Team Protyre (North Clive St)
151 Jobs Completed
Cardiff
4.3 / 5

Originally opened as Windway Tyre Services in 1965. Protyre Cardiff in North Clive Street is located close to the Cardiff City Stadium. The centre has over 6,000 tyres in

Wessex Garages - Cardiff
7 Jobs Completed
Cardiff
4.5 / 5

Wessex Garages is an established Nissan specialist based in Bristol, Cardiff and Gloucester. We are passionate about what we do and provide friendly and helpful customer

Royal Remaps
306 Jobs Completed
Cardiff
4.6 / 5

Here at Royal Remaps we are specialists in the performance tuning of engine management systems improving the efficiency of the engine and giving your vehicle increased po

Town Garage.
299 Jobs Completed
Llantrisant
4.2 / 5

We are an established local independent garage and are proud to be members of Autofirst Network – a nationwide network of independent garages operating to the Network’s 6

Promotive BMW MINI
44 Jobs Completed
Newport
4.0 / 5

Promotive is one of the largest independent BMW and MINI specialists in the country. Our technicians are both BMW specialists & MINI specialists trained and have

1st stop MOT cardiff ltd
307 Jobs Completed
Cardiff
4.8 / 5

1st stop MOT cardiff ltd is your local garage that is run by a team of experienced and skilled car mechanics. We understand every aspect of vehicle repair, hence no job

John Dolbear Tyre & Auto Services Ltd
67 Jobs Completed
Cardiff
3.1 / 5

John Dolbear Tyre and Auto Services are an established local independent garage and are proud to be members of Autofirst Network – a nationwide network of independent gar

Platinum Vehicle Services Cardiff Ltd.
35 Jobs Completed
Cardiff
5.0 / 5

Platinum Vehicle Services are one of the leading car maintenance specialists in South Wales. We provide excellent customer-focused service whilst ensuring a hands-on, re

Automotive Cardiff Ltd
233 Jobs Completed
Cardiff
5.0 / 5

We are a family run business here at Automotive Cardiff which offers a more personal touch to repairing your vehicle. We understand how much we all rely on our cars and

Hutchings Hyundai
3 Job Completed
PONTYPRIDD
5.0 / 5

Fifth generation family run business . Hyundai Franchised Dealer for the sale of new & pre-owned vehicles. All make servicing and repair. Hyundai diagnostics.

Motoring Centre
22 Jobs Completed
Caerphilly
4.9 / 5

The Motoring Centre has been established for over 35 years offering all our clients the very best advice and customer service. We have fully trained and experienced staf

Castle Cars Mobile Mechanic
97 Jobs Completed
Rhiwbina
4.5 / 5

OUR HOURLY RATES ARE 50% CHEAPER THAN THE AVERAGE INDEPENDENT GARAGE AND 80% CHEAPER THAN A TYPICAL MAIN DEALER!! FAST, FRIENDLY, RELIABLE, HONEST AND PROFESSIONAL SERVIC

Penarth Tyres
5 Jobs Completed
Penarth
5.0 / 5

When the opportunity arose for Tyre Specialist Chris Cronin to acquire a garage on Station Road, Penarth, it was something he couldn't turn down. Not only did the garage

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Alternator Repair in Cardiff
Frequently asked questions
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What is a car alternator?

The car's alternator performs a simple but vital job: to keep your car's battery charged. The battery is responsible for starting the car, spark plugs, lights, electrics, and sometimes power steering - quite a job - so it's essential that it's topped up - and that's what the alternator does.

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What are common problems with an alternator?

The alternator acts like a small generator: the engine spins, and the alternator turns that spinning motion into electricity. The most common problems are worn brushes (the component that maintains constant electrical contact with the spinning alternator) and a failing voltage regulator (which ensures that the charge is sent to the battery at the correct voltage.)

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What are the common symptoms of alternator problems?

Common signs of car alternator problems include the 'charge' or battery lights flashing on the dashboard, flickering or dimming headlights and interior lights and a growling or whining noise under the bonnet.

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What is the average alternator repair cost?

An alternator can be rebuilt as opposed to replaced, however in truth the difference in cost is often quite small. Either way the most common repair cost is around £150-200.

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How to test an alternator for problems

A simple way to test an alternator for problems is to do what's known as the headlight test. Park your car with the headlights on or run it in neutral, then rev the engine. If the headlights dim you could well have an alternator problem. A better test is to take your car to a garage, where a car alternator can be tested using a multimeter tool.

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What happens if my alternator breaks?

If your alternator fails, your car battery won't charge and, very soon, will have insufficient charge to start the car.

Average rating for  Alternator Repair in Cardiff bookings

4.82

11 reviews

Alternator Prices in Cardiff

Alternator repair prices can vary depending on your car due to differences in labour time and parts needed but you can expect to pay between £250-£300. Take a look below at the average quote on WhoCanFixMyCar.com for some of the top car makes.


Alternator Repair Cost by Car Make in Cardiff
Car MakeAverage PriceGet Quotes
Vauxhall£337.22
Peugeot£309.54
MINI£504.65

This table uses data from quotes provided on WhoCanFixMyCar.com between 07/07/2022 and 05/10/2022.

Gary from Complete Mechanics explains the workings of the alternator