An RAC Mobile Mechanic using a diagnostic machine inspecting a car for an alternator repair.A mechanic using a diagnostic machine to inspect a car vehicle engine
Service, Repairs & MOT

Alternator repair in Bristol

Book an RAC Mobile Mechanic and we’ll come to you at home or work.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

£437.65

Average price for this repair in Bristol in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for an alternator repair?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do an alternator repair on your driveway, so you don't even need to leave the house.

All our alternators are OEM standards, that means we only use parts that meet your vehicle manufacturer’s strict quality criteria, ensuring top quality and reliability. With a 12-month guarantee, you can trust our replacement alternators to last. The price includes fitting – no hidden costs. Just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Bristol

We’ll come to you at home or work

RAC Mobile Mechanic in Bristol

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At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind® to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

An RAC Mobile Mechanic using a diagnostic machine inspecting a car for an alternator repair.

Book an alternator repair

If your car’s battery keeps dying or electrical systems are acting up, it could be a faulty alternator. Your alternator should charge the battery properly, and if it doesn’t, you could need an alternator repair.

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.
Our mobile mechanics are friendly, honest, and backed by the RAC.
Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Vehicle diagnostic check

£99

We’ll spend up to 30 mins checking your car’s onboard management system for faults. We’ll talk you through repairs needed and provide a full report. If any further work is needed, we’ll agree this with you before we start. Any additional work after the first 30 minutes will be priced at £20 per 15 minutes. We’ll agree this with you before proceeding.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors
If we detect any issues, we'll talk through what needs to be repaired. We’ll give you a no-obligation quote to fix it on the spot, if we can. Or we’ll recommend a local RAC Approved Garage, and give you a full error report to take there.

Average cost of an alternator repair by car make^

The cost to repair your car alternator will depend on the car you drive. According to RAC data, the average cost to repair a car alternator is £458. But you can check out the average price of an alternator repair for your specific car make here.

Make

Average Price

Ford

£435

Volkswagen

£466

Vauxhall

£436

Nissan

£478

Toyota

£417

BMW

£495

Peugeot

£469

Renault

£477

Mercedes-Benz

£525

Citroen

£445

^Average price quoted for RAC Mobile Mechanics from 01/01/25 to 31/03/25.


And it’s not just alternator repairs that we do in Bristol

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

T.D Garage Services

At TD Garage Services Ltd, we take care of all car makes and models. Whether you have a Ford, a Fiat, a Honda or a Hyundai, you can trust us to do a quality job. We are well known as a reliable local garage that provides a range of services including car repairs, servicing as well as MOT testing.
Unit 20, Windmill Farm Business Centre, Bristol, BS34DB

Brookfield Garage

If you are looking for great savings on quality used cars in the Bristol area , then you have reached the right place. Brookfield Garage Limited are a specialist used car dealer based in Horfield, Bristol . We are proud to offer you a first class customer service and very competitive pricing, so please browse our stock list. At Brookfield Garage Limited we stock a range of used cars to suit all budgets and lifestyles so we are sure to have the right car for you. If you are looking for a second hand car in Bristol , then don't delay, call us today to book a test drive. In order to offer cars to suit everyone we make sure that we update our stock list regularly. It is therefore always worth giving us a call, even if you don't see what you are looking for on our website. We realise that buying a car can be a daunting experience, but don't worry, we are well established within the Bristol area and come with a great reputation. Furthermore we offer excellent advice and experience on vehicles and vehicle maintenance. Our friendly staff will go the extra mile to guarantee that you receive the advice you need. This is the reason why many of our customers keep coming back to us. At Brookfield Garage Limited we don't just sell cars, we do everything possible to get you driving your perfect car. Why not come along to our used car dealership in Bristol? Pete and the team look forward to meeting you!
Ashley Down Rd, Bristol, BS79JS

PC Motors.

Established in 1980, our main workshop is located in the Horfield area of Bristol. We have a thirty year heritage of being Volkswagen Audi Group (VAG) specialists. As such we are highly experienced in the repair, parts replacement and servicing of the entire range of VAG makes and models. Our many years of expertise, working on these respected brands, makes us the leading independent specialists for VAG vehicles in the Bristol area. We are a fully certified RAC Approved Garage Network member and can also carry out any warranty work. Our team of trained, qualified, reliable and trustworthy technicians and mechanics have secured solid customer and key stakeholder relationships over our 30 year heritage. Confidence in our service quality, advice integrity and competitive pricing has resulted in a significant number of our customers staying loyal to us for over ten years.
Unit 1, Elm Road, Horfield, Bristol, BS78RJ

IN'n'OUT Autocentres Bristol

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 are really a garage you can trust. We also have a 5 Star Trustpilot reviews rating. We provide OEM parts and 12 months warranty on all parts and servicing. We only use premium Castrol oils in all servicing. Our services are all completed ‘while-u-wait’ so you have never have the inconvenience of losing your car for the day. You can watch your car as it is being worked on through the viewing window or sit back and relax in our clean and comfortable customer lounges with FREE Wi-Fi and coffee and read the latest magazines. Check out our latest reviews and BOOK NOW!!
In-N-Out Autocentres, Cribbs Causeway, Bristol, BS10 7UD

Monster Gear Garage

We are an independent 5 star garage with high experienced technicians that will take care of your vehicle, we cover a wide range of repairs like: MOT MOT repairs Servicing Air Con Regas Air Con Recharge Brakes Tyres Clutches Timing belt / chain replacements Diagnostics Engine repairs / replacement Drive in with no appointment. If you wish to wait while your car is being repaired we have a luxury waiting area with TV, Wi-Fi and free hot drinks. Our garage is a comfortable place for you and your vehicle.
Bridge Road Ind Est, Unit 16 - 18, Bristol, BS154TA

Frequently asked questions about car alternator repairs

Driving with a bad alternator isn't a good idea. A failing alternator can make the battery drain fast, leading to a breakdown. Electrical parts may also stop working, which can be unsafe. It’s best to get the alternator checked and fixed or replaced as soon as you can.

When the alternator fails, the battery won't charge and will drain. This can make the car stall and prevent it from starting. Electrical parts like lights, radio, and power windows may stop working. Get help from a mechanic right away to avoid more damage.

Alternator reconditioning means fixing an old alternator by replacing worn-out parts. This can be cheaper than buying a new one, but it may not last as long as a new alternator.

The cost of an alternator varies by the type of car and the quality of the alternator. To know exactly how much, you should talk to your local mechanic.

Yes, alternators can be repaired if the damage isn't too bad. If the alternator is very damaged, it may be better to replace it.

Replacing an alternator is often worth it if the alternator is old or very damaged. A new or rebuilt alternator can work better and prevent future problems. Talk to a mechanic to help make the best choice.

Alternators usually last between 80,000 and 150,000 miles. But it can vary based on where and how you drive, and maintenance. Regular check-ups and fixing problems early can help it last longer.

Some alternator repairs or replacements may be covered under the car’s warranty, especially if the car is still new. Check your warranty details or talk to your mechanic to see if it's covered.

They’re often not covered by standard car insurance policies because they're thought to be part of your vehicle's upkeep. But, if it's damaged in an accident, it might be covered.

You need an alternator replacement when it's very damaged or has worn-out parts that can't be fixed. If it's not keeping the battery charged or causes electrical issues, you'll need to replace it.