Alternator Repair in Barnstaple

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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.


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Top garages for Alternator Repair in Barnstaple (15 found)
Bathwick Tyres Barnstaple - Team Protyre
27 Jobs Completed
Barnstaple
4.3 / 5

Protyre has a history going back over 50 years in the tyre industry and at Barnstaple Protyre we pride ourselves on the level of service we provide to our customers. Al

South West Nissan - Barnstaple
Member since 23 March 2021
Barnstaple

South West Nissan offers a fantastic range of servicing and MOT options in Wellington, Exeter, and Barnstaple, all designed to save you money and get your vehicle back on

Barry Hews Automotive Services
Member since 09 February 2018
Barnstaple

Barry Hews Automotive Services

Roundswell Hyundai
Member since 04 May 2016
BARNSTAPLE

As an established Hyundai dealer, we are proud to represent the philosophy of New Thinking, New Possibilities. We believe in challenging conventions, not for the sake

Clover Cars
Member since 30 August 2011
Barnstaple

"Here at Clover Cars we pride ourselves in offering a professional, first class, personal service and sensible advice for all your motoring needs. Established motor engi

Car Care Centre
Member since 13 June 2017
Barnstaple

The Car Care Centre was founded in Barnstaple in 1985 by two local mechanics who had many years of experience in the trade. They decided to utilise their skills and Car C

County (Barnstaple)
Member since 17 November 2015
Barnstaple

We are a 3 Generation family business run by local people. Being part of the well established Parkside and County garage group you can be sure of a trustworthy and reliab

AUTOVet
Member since 17 January 2015
barnstaple

I own a mobile mechanic business that operates all over North Devon. We specialise in 1st line repairs and recovery of light vehicles. Please visit autovet.org to find ou

ATS Euromaster Barnstaple
Member since 12 August 2017
Barnstaple

Here at ATS Euromaster in Barnstaple you will find a team of experts offering our customers a range of tyres and vehicle maintenance at competitive prices. We stock w

Roundswell Toyota
Member since 29 June 2015
Barnstaple

<Toyota Centre name> offers professional, competitively priced ownership services, along with exceptional customer service. Our expertly trained staff are on hand to ensu

Flying spanner mobile mechanic
Member since 05 October 2019
Barnstaple

Everything vehicle related

Braunton Garage
Member since 30 August 2011
Braunton

"Braunton Garage (BG) is located in the heart of Braunton Village, just a short drive from the holiday resorts of Saunton, Croyde, Woolacombe and Ilfracombe, BG was buil

GS Auto Tech Ltd
Member since 30 August 2011
Nr Braunton

"At GS Auto Tech we aim to maintain your vehicle economically and to the highest standards. Regular servicing is the best way to care for your vehicle. We undertake diagn

SEV Mobile Mechanics, Barnstaple
Member since 11 December 2015
Barnstaple

Welcome to SEV Mobile Mechanics! Our business is focused on delivering excellent service at an affordable price. Our roots can be traced back to the start in 1920, wi

Green Lanes Garage
Member since 31 August 2011
Barnstaple

"The clean and tidy appearance of Green Lanes Garage may surprise new visitors. But, as proprietor Grant Sturkey explains: With modern equipment there is no need for a

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Alternator Repair in Barnstaple
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.

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Gary from Complete Mechanics explains the workings of the alternator