Alternator Repair in Grantham

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

Top garages for Alternator Repair in Grantham (26 found)
RJM MOTOR REPAIRS LTD
513 Jobs Completed
Grantham
4.7 / 5

We are a small independent garage based in Grantham which offers fantastic repairs and services at affordable prices. Working for main dealers over the years has allowed

Formula One Autocentres - Grantham
331 Jobs Completed
Grantham
4.2 / 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

RH Autos
256 Jobs Completed
Grantham
5.0 / 5

Here at RH Autos we have 28 years experience in the motor trade. I am IMO Registered and have worked on the majority of makes and models of cars. Based in Grantham a

Stoneacre Grantham
7 Jobs Completed
Spittlegate Level, Grantham
3.5 / 5

Stoneacre Grantham is part of one of the country's fastest growing motor groups. The company was first incorporated on the 21st December 1994 and started off as a used ve

Just Car Clinic Grantham
3 Jobs Completed
Grantham
3.0 / 5

"Just Car Clinic Grantham is part of Just Car Clinics which is the second largest accident repair and car care company in the UK with 26 centres throughout England. Eve

JM Performance & Terry Ballam Motor Engineers
Member since 13 February 2023
Grantham

Welcome to JM & Terry Ballam motors Let’s tell you about us. We are a friendly, Professional and Dependable Automotive repair and diagnostic service based in

Victor Wood (Grantham)
Member since 17 November 2015
Grantham

Victor Wood is a family owned garage.We know your vehicle, meaning that we offer the highest levels of quality and reliability, whatever your needs. Our Fixed Price Servi

HMRG Automotive
Member since 18 October 2022
Grantham

Hi we are an independent multi skilled garage with a vast multi brand knowledge of most makes and models we have been established full time since 2023 with 10 years mot

Viking auto restoration
Member since 15 May 2023
Grantham

Automotive restoration and repairs We cater for classic, vintage and retro vehicles, including all ages of 4x4’s. Land Rover specialists with extensive experience i

Prompt smart repairs ltd
Member since 01 January 2021
Marston

Prompt Smart Repairs ltd Fully insured freelance/mobile technician. Ex Ford, Nissan, hyundai and fiat professional and volvo trained. Most work undertaken at a locatio

Ancaster service and mot station
Member since 16 January 2020
Grantham

We are a service and mot station, we can repair any make of vehicles,

A c motors services
Member since 15 October 2019
NG31 7DD

Car mechanic

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Alternator Repair in Grantham
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 Grantham bookings

5.00

2 reviews

Although the alternator is a relatively simple part, it plays a critical role in your vehicle’s operation, so it’s essential any alternator problems are diagnosed correctly and fixed.


Here are some of the most common signs that your alternator is on the blink:

  • The alternator warning light will be on – in most cases this is shaped like a battery but some cars will show ‘ALT’ or ‘GEN’
  • You may experience extremely bright or dimming headlights, or a speedometer that stops working
  • Drivers sometimes complain of a growling or whining noise before the alternator gives out
  • You may experience a smell of hot wires or burning rubber


The average alternator repair cost is between £200 and £300, depending on the model of your , so it’s important you make sure you find the best deal. And that’s where we can help.


Here’s how it works:

  • Simply enter your car registration number
  • Give us some details about your vehicle and the kind of repair work you require
  • We’ll send you a great selection of quotes from mechanics in your area
  • We use our network of 7,000 mechanics and garages across the UK to find you the best deal. You can then compare the quotes, read reviews from previous customers and book your alternator repair online.
  • Enter your registration to compare alternator repair prices, read reviews and book your car in online.
Gary from Complete Mechanics explains the workings of the alternator