Alternator Repair in Brentwood

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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 Brentwood and get booked in today when you enter your registration in the form above!

Top garages for Alternator Repair in Brentwood (22 found)
AJ Servicing & Repairs.
94 Jobs Completed
Hornchurch
3.9 / 5

AJ Servicing and Repair centre (formerly Moorings Garage) was taken over in 2013 by a group of main dealer management and technical personnel. The team have over 100 year

Miles Motor Mechanics
73 Jobs Completed
Little burstead
4.4 / 5

began my mechanic career through Addison Lee the London taxi service and this was through Ford which was a scheme where both were involved. I served my time repairing the

Formula One Autocentres - Brentwood
354 Jobs Completed
Brentwood
3.8 / 5

Established in 1974, Formula One Autocentres set out with a mission to deliver a completely new fast-fit experience to its customers. This would feature clean, modern pre

GC Autotech
13 Jobs Completed
Romford
4.2 / 5

Professional car servicing available across Romford, Essex If you require any servicing or repairs for your car get in touch today. GC Auto Tech was established s

Allen Ford Warley
Member since 28 April 2015
Brentwood

The team to go to for service you can trust, at a price you can count on. Here at Allen Ford we aim to provide you with an unrivalled experience when servicing your v

Mercury Car Centre
Member since 19 December 2013
Brentwood

"We offer MOT, Services or Car Repair in Essex. We are independent specialists for Audi, VW, BMW, Jaguar, Mercedes, Porsche, Volvo, Land Rover and Range Rover. If you are

Triggs Garage
Member since 23 May 2017
Brentowood

Triggs Garage work closely in partnership with a number of high profile lease companies and welcome enquiries from businesses across Brentwood. At Triggs Garage you’ll

BM Automotive
Member since 23 February 2020
Billericay

BM Automotive is a Specialist Independent Garage based in Billericay Essex Just off J29 on the m25 We Founded The garage in 2020 and with over 7 years Bmw main dealer ex

Renault Romford
Member since 08 February 2016
ROMFORD

We are a Renault and Dacia main dealer with the knowledge, specific tooling and diagnostic equipment to efficiently repair and maintain all Renault and Dacia vehicles. Co

Going Spare Auto Care
Member since 23 May 2017
Brentwood

Going Spare is a family business run by Peter and David Gross. Started in 1982, we still embody the same values as when starting out - providing our customers with the be

Mechanics Workshop
Member since 05 March 2013
Essex

We are a MOT tester center in East Ham and carry out all mechanical repairs. We also have a state of the art Diagnostic system which will cater for all modern cars includ

Premier Car & Commercial LTD
Member since 05 October 2020
Romford

All aspects of vehicle servicing and repairs. Engine and transmission work undertaken.

Car Repairs Romford
Member since 07 December 2011
Romford

"WELCOME TO CAR REPAIRS ROMFORD, ROMFORDS ONE STOP GARAGE FOR ALL YOUR CAR REPAIR AND SERVICING NEEDS At car repairs romford we aim to give you the best service a

UDS Service Centre Ltd
Member since 19 August 2015
Harold Wood, Romford

We are a small family run business offering servicing and general repairs and maintenance to all makes and models of cars and vans. Catering to all levels of servicing

Grange Aston Martin Brentwood
Member since 11 October 2011
Brentwood

"At Grange Aston Martin Brentwood, we are proud of our association with two of the greatest names in British motoring - Aston Martin and Jaguar. We have been Aston Martin

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Alternator Repair in Brentwood
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 Brentwood bookings

5.00

2 reviews

Alternator Prices in Brentwood

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 Brentwood
Car MakeAverage PriceGet Quotes
Ford£314.76
Mercedes£427.74
Vauxhall£316.55
BMW£477.51
Audi£360.77
Volkswagen£276.75
Citroen£370.29
Nissan£427.76
Toyota£322.34
Peugeot£515.19
MINI£286.20

This table uses data from quotes provided on WhoCanFixMyCar.com between 05/07/2022 and 03/10/2022.

Gary from Complete Mechanics explains the workings of the alternator