Book Alternator repair & replacement in Harrow

Get a fair price & compare in seconds, garages and mechanics you can trust, next-day service at your door.

149000+
Customer Reviews
4.8

Up to 50% cheaper than franchise dealers

Instant fixed price quotes
(no hidden estimates)

Fully vetted & qualified mechanics

1 year parts & repairs warranty

Next day bookings at your home or office

Get your car repaired at your home or office

Expert Local Mechanics

190+

Total expert alternator repair mechanics operating in Harrow

Number of Ratings

870

Total number of alternator repair reviews in Harrow

Average Rating

Average user rating for alternator repair bookings in Harrow

Top Mechanics For Alternator Repair & Replacements in Harrow

123 Reviews

Garage serving Harrow, 12 years of experience

I've been in the trade for 12 years and in that time i have worked at main dealers carrying out Diagnostic work as well as repairs of all sorts by following the main dealer expectations. I have also had expe...

258 Reviews

Garage serving Harrow, 10 years of experience

Pit Start is the only garage in the UK that carries out all repairs and servicing in full public view. You are allowed to go into the work area and inspect the work while it’s being carried out by our profes...

1094 Reviews

Garage serving Harrow, 30 years of experience

We provide MOT tests, servicing and car repairs on all makes and models in Enfield and surrounding areas. Catering for customers in Enfield, Cheshunt, Barnet and Southgate, we offer quality car servicing and...

11 Reviews

Mobile mechanic serving Harrow, 20 years of experience

I began my career with VW as an apprentice and completed my full apprenticeship after 3 years. I moved to Car Giant to take a workshop manager role for 10 years. In 2005 I left and set-up my own garage in Lo...

582 Reviews

Mobile mechanic serving Harrow, 11 years of experience

Shahid is very passionate about mechanics and is keen to deliver the best service possible. He was brought into the mechanics world by his father, whom owed his own garage. After completing his qualificat...

388 Reviews

Garage serving Harrow, 18 years of experience

Having spent over 18 years in the motor trade as a senior/ master technician, I have gained a huge amount of experience and skills. I started off as a Technician working on Porsche's for the first 9 years of...

81 Reviews

Garage serving Harrow, 33 years of experience

I’ve been in the motor trade for 33 years and have worked for Toyota main dealers before spending 18 years working out on the roadside for both the AA and RAC. I have worked for Tesla and VW

381 Reviews

Mobile mechanic serving Harrow, 12 years of experience

I'm a fully qualified mechanic in a family ran business with the top of the range equipment and knowledge with over 12 years experience, I cover all makes and models over a 60 miles radius

113 Reviews

Mobile mechanic serving Harrow, 20 years of experience

Worked in main dealers been self employed for 6 years as mobile mechanic

81 Reviews

Garage serving Harrow, 7 years of experience

BACK ON ROAD LTD offers a variety services on high quality standards, in no time such as: Diagnostics Coding Programming Brakes Exhaust Mechanical Electrics Upgrades ..... and more The only solu...

150 Reviews

Garage serving Harrow, 6 years of experience

Mark has 6 years experience as a mechanic and is now a mobile mechanic around the West London area. Mark covers all makes and models.

54 Reviews

Garage serving Harrow, 5 years of experience

We are a professional and reliable car mechanic based in Hayes west London, we under take all type of mechanical work including servicing, tyres, brakes, diagnostic, MOT, Bodywork.

102 Reviews

Garage serving Harrow, 13 years of experience

We have been in the motor trade for over a decade most of this time working with main dealers such as Vauxhall and Audi, we are also accredited technicians within the above brands meaning we are specialists ...

Frequently asked questions about alternator repair & replacements in Harrow

Read our answers to questions about alternator repair costs, symptoms and more.

What does an alternator replacement in Harrow involve?

  • Mechanic will inspect the car's battery charging system.
  • Mechanic will inspect the alternator's ancillaries (drive belt, cables etc.)
  • Mechanic will test the voltage output of the alternator.
  • If necessary, the mechanic will replace the alternator.
  • Mechanic will advise if any other parts of the electric system need to be replaced.
  • Mechanic will test the charging system and will test drive the car.

What are the symptoms of a bad alternator?

  • When the battery warning light on the car's dashboard has lit up.
  • When the battery is not being recharged

How long does it take a mechanic to replace an alternator?

On average, alternator replacement times can range from 1 hour to 2.5 hours with an average of just over 1 hour. The time that the job takes will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.

What are the signs of a bad alternator?

If the battery light remains on with the ignition (and does not go out once the charging is in operation), or comes on with the engine running then there is an issue with the alternator generating power and the battery will not be recharged. It is important to get a professional mechanic to check the issue as soon as possible.

Is a faulty alternator an MOT failure?

No, a car will not fail its MOT on an alternator issue itself. The alternator is not checked as part of the MOT, but a garage may flag it as something to address outside of an MOT to help ensure your vehicle will be able to charge its battery as intended.

How do I check if my car alternator is working properly?

The easiest way to check if your alternator is working is to start the car and let it idle. Then, turn on all of the car's accessories one at a time. If the car's battery dies while the accessories are on, then the alternator is not working.

Additionally, the battery should be tested for voltage. If the battery is low, the alternator may not be charging the battery. Depending on the electrical system, a voltmeter reading in the 13.8 to 15.3 volt range with the engine running, lights and accessories off, generally indicates that the alternator is working as it should be.

What happens when the car alternator fails while I am driving?

If your alternator dies while driving, your car will eventually lose power and come to a stop. You may notice the first signs of a dying alternator with dimmed interior lights and warning lights on the dashboard. The best thing to do in this case is find a safe place to stop and call for professional help.

How do I fix a bad alternator?

In most cases the alternator would be replaced if it bad or faulty. Alternators can be refurbished but often getting a new one fitted is more cost-effective. An alternator is an electrical component that is key to supplying power to your car so fixing it is a job best left to qualified technicians.

Can Harrow garages offer home collection and delivery for alternator repair?

Yes, many garages in Harrow are able to offer collection and delivery for an alternator repair. With ClickMechanic collection & delivery is free if your vehicle is drivable. Once booked a mechanic will pick up the vehicle on the day and time of your choice, do the work, and return the vehicle at a time convenient to you. Simply enter your vehicle registration number and postcode to get an upfront price for a alternator repair in Harrow.

Can Harrow mobile mechanics do alternator repair at my home or office?

Yes, Harrow mobile mechanics can do an alternator repair at your home or office, provided there is a safe and sufficient space to conduct the repair or replacement. With ClickMechanic, once booked for a date and time of your choice, your booking will be offered to vetted mobile mechanics in your area.

Book a trusted mechanic today

Get an instant quote, then book a vetted mechanic to fix your car at your home or office.

  • Vetted mechanics
  • Save up to 50%
  • Fast online booking

Mechanics in and around Harrow

Book repairs for hundreds of makes and faults