Alternator Repair in Welwyn Garden City

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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 Welwyn Garden City and get booked in today when you enter your registration in the form above!

Top garages for Alternator Repair in Welwyn Garden City (102 found)
IN'n'OUT Autocentres Stevenage
959 Jobs Completed
Stevenage
4.7 / 5

At IN’n’OUT Autocentres we offer fixed prices MOTs and Servicing for any make and model of car with no hidden extras. We are proud to be a ‘Which? Trusted Trader’ so we a

Welwyn MOT & Service Centre - Team Protyre
298 Jobs Completed
Welwyn Garden City
4.6 / 5

Welwyn MOT & Service Centre joined the Protyre network in 2015. The centre offers a number of car tyres, van tyres, 4x4 tyres, high performance tyres, MOT's and vehic

Galaxy Auto Centre Garage
754 Jobs Completed
Welham Green
4.8 / 5

Galaxy Auto Centre Garage is based in Welham Green, Hertfordshire, AL9 7DY. We started trading in 2013, and now we have two ramps and two mechanics. We carry out servici

Collect Service Go
498 Jobs Completed
Welwyn Garden City
4.6 / 5

We are a professional reliable garage we also offer free collection and delivery from the customers home or work. Customer satisfaction and vehicle safety is a our main p

Formula One Autocentres - St Albans
381 Jobs Completed
St Albans
4.0 / 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

JJ Auto Solutions
33 Jobs Completed
Potters bar
5.0 / 5

JJ Autos has built a great reputation for its garage services, MOT test centre and car repair shop. Owner, John Perkins is a vastly experienced mechanic and bodywork spe

Formula One Autocentres - Stevenage (London Road)
225 Jobs Completed
Stevenage
3.9 / 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

Formula One Autocentres - Welwyn Garden City
28 Jobs Completed
Welwyn Garden City
5.0 / 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

Hertfordshire Vehicle Services
134 Jobs Completed
Hatfield
4.9 / 5

Fast, professional and reliable service for the motorists of Hatfield, Welwyn Garden City, St Albans and surrounding areas. Mechanical repairs and servicing undertaken on

W M Couper Limited
2 Job Completed
ST ALBANS
5.0 / 5

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

D & B AUTO CARE
83 Jobs Completed
Hertford
4.2 / 5

Welcome to D&B Autocare in Hertford, we are car repair specialists carrying out all your car servicing needs, we provide a wide range of services. Car servicing in Her

Leelac Ltd
194 Jobs Completed
Stevenage
4.8 / 5

Saab, Vauxhall and Volvo, service and repairs, diagnostics, A/C repairs, engine repairs, map tuning

David Thomas Garages
8 Jobs Completed
Hitchin
3.7 / 5

David Thomas trained as a vehicle mechanic at a local main dealer and progressed to service manager. He left there and joined Alfa Romeo as a car tester ultimately assumi

Gates of Stevenage
8 Jobs Completed
Stevenage
3.0 / 5

Welcome to Gates Ford. We are a Ford main dealer based in Essex and Hertfordshire. As an Approved Ford Authorised Repairer, we’ve been established for over 95-yea

Chittenden Autos
32 Jobs Completed
St Albans
4.9 / 5

Chittenden Autos (The Friendly Professionals) have been established in St.Albans for over 35 years with over 160 years combined experience in the motor trade. We are prou

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Alternator Repair in Welwyn Garden City
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 Welwyn Garden City bookings

5.00

9 reviews

Alternator Prices in Welwyn Garden City

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 Welwyn Garden City
Car MakeAverage PriceGet Quotes
Mercedes£419.72
Vauxhall£357.31
Ford£336.63
Nissan£418.98
Volkswagen£328.88
Toyota£327.65
Audi£380.70
BMW£538.23
Peugeot£433.80
Citroen£661.75
Renault£427.43
MINI£303.20

This table uses data from quotes provided on WhoCanFixMyCar.com between 14/05/2022 and 12/08/2022.

Gary from Complete Mechanics explains the workings of the alternator