Book an Alternator Repair for your Vauxhall

£414.04

Average price for this repair for your Vauxhall 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.

RAC Mobile Mechanics can carry out alternator repair on popular Vauxhall models such as Corsa, Astra, Mokka, Grandland, and Crossland. This service is completed at your home or workplace, following Vauxhall maintenance guidance and using OEM‑equivalent parts. You get clear pricing, real‑time updates and a convenient, no‑hassle experience.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Vauxhall

We’ll come to you at home or work

RAC Mobile Mechanic

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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.

OEM quality parts

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.

Mechanics you can trust

Our mobile mechanics are friendly, honest, and backed by the RAC.

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.

Diagnostic check

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

Full error report and advice on repairs

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.

And it’s not just alternator repairs we can do for your Vauxhall

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

View all garages

Edward Street Garage Crewe Limited

4.4/5

We are specialist diagnosticians — we take on the vehicle problems most garages won’t. Using the latest technology and dealer-level technical information, we can find faults just like the dealers do, giving you clear answers and solutions before any work is agreed. As an RAC Approved Service Centre, we work on all makes and models, including EV and hybrid vehicles. From free vehicle health checks and diagnostics to MOTs, servicing, brakes, cambelts, electrics and general repairs, we handle it all with experience and transparency. We can also manage your warranty for you with any warranty provider, taking the hassle out of claims. We only use genuine OEM parts on new car servicing to help keep your manufacturer warranty valid. For heavy vehicles and Class 7 MOTs, our Ignition Autos Ltd branch in Middlewich is equipped to take on your inspections too. We offer service plans, interest-free payment options, and a transparent approach: honest advice, clear pricing, no hidden costs, and you’re kept in the loop every step of the way. Drop into your friendly local garage in Crewe or Middlewich — we’ll take care of you.

Edward Street Garage (Crewe) Limited, Edward Street, Crewe, CW26HQ

Moorhouse Garage Ltd

5.0/5

Hi, Here we have a higher duty of care as our technicians are main dealer trained including BMW and Mini, VAG Group (Volkswagen, Audi, Seat, Skoda and Bentley) and the FCA Family (Fiat, Chrysler, Jeep and Alfa Romeo) We also have main dealer level diagnostic tools for the above brands and extremely confident we can fix your vehicle for you. **Here at Moorhouse Garage we Are Able To Carry Out All Your Motoring Needs from a simple service to the depths of building a forged engine for you as we're a tuning and remapping centre too**. We Also Specialise in Dpf Cleaning Family Run Business for over 25 Years We hope that this is of interest and we would be very happy to answer any questions you have. We look forward to hearing from you. Kindest regards, Moorhouse Garage

Unit J, Moorhouse Park, Westerham, TN162ET

Apollo Servicing & Repairs Ltd

5.0/5

From diagnostics to repairs, we ensure your vehicle runs smoothly. We offer a wide range of services on all major makes & model of vehicle. As an independent business based in Wroxton, Banbury, we pride ourselves on providing customers an exceptional service at a affordable price without cutting corners. Services such as MOTs, Diagnostic, Tyres, Breaks, Clutches, Timing Belts, Air Conditioning, Exhausts, Servicing and Repairs. We have Courtesy Cars available, offer a Collection and Delivery Service, Health Checks and Recovery Services locally all free of charge. We have invested heavily into the best tools and equipment and have brand new facilities with a Waiting Area, Wifi, Parking, Drinks and Snacks. We look forward to welcoming you soon

Unit 8 Apollo Park Ironstone Ln, Banbury, OX156AY

Edinburgh Car Services Mot & Service Centre

4.9/5

Welcome to Edinburgh Car Services As an independent, family run business, we at Edinburgh Car Services pride ourselves on delivering the highest quality of vehicle maintenance and repairs for our customers. With Over 30 years’ combined experience we have a passion for the work we do, and only ever use the highest quality parts. But we know motoring is expensive and most of our customers would rather spend their hard earned money on something else, so within those parameters, we keep our prices to a minimum as much as possible. Of course, we also cater for petrol heads and enthusiasts who want to splash out on their cars, offering performance upgrades and advanced components. We are an Edinburgh based, Scottish, independent, family run garage and offer a vast range of services within the motor trade. All of our service plans are tailored personally for each individual’s vehicle, ensuring the best in-depth analysis and repair. We are always happy to advise on he best course of action for any customer, and we are as up-front as we possibly can be about costs. That includes fixed price servicing, which is carried out to manufacturer specifications and will cover your warranty – despite what expensive main dealers might say! We pride ourselves on our vast knowledge of the trade and are highly respected in the motor industry. As we are a small family business we put 100% in to looking after our customers and their vehicles. We know we need our clients as much as they need us! Garages can be a daunting place for many people, but our staff – male or female – will be more than happy to answer any queries you may have.

Unit 7, 33 Bankhead Terrace, Edinburgh, EH114DY

Duke Street Motors

4.2/5

We are an established local independent garage and are proud to be members of Autofirst Network – a nationwide network of independent garages operating to the Network’s 6 core values of Capability, Consistency, Care, Clarity, Cost Effectiveness and Customer Focus. For your added peace of mind we are members of the Motor Ombudsman service which is approved by The Trading Standards Institute. In short, we are a local garage you can trust offering you the support and service guarantees of a national network, giving you complete peace of mind.

6 King Edward Road, Loughborough, LE111RZ

Frequently asked questions about car alternator

Can I drive my car with a bad alternator?

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.

What happens when the alternator stops working?

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.

What is alternator reconditioning?

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.

How much does an alternator cost?

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.

Can an alternator be repaired?

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.

Is it worth replacing an alternator?

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.

How often should an alternator be replaced?

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.

Does an alternator repair or replacement fall under warranty?

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.

Is an alternator repair or replacement covered by insurance?

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.

When do I need an alternator replacement?

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.