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 for your Renault

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

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

£438.18

Average price for this repair for your Renault 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 Renault models such as Clio, Captur, Arkana, Austral, and Mégane E-Tech. This service is completed at your home or workplace, following Renault 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 Renault

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.

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.

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

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

Precision Autos Ltd

5.0/5

Established in November 2022 we are a freshly set up automotive repair shop based in South Molton, North Devon. We undertake many different types of vehicle repair and have a vast array of equipment in order to accommodate most types of repair necessary to vehicles old and new! We have over 25 years of experience repairing, fault finding and modifying in all aspects, from bulb changes to engine rebuilds, rewiring to restoration, tyre puncture repair to race car preparation, from brake pad replacement to full brake upgrades. We like to offer a trustworthy and honest approach to car repair, often going beyond what is necessary to keep you safely on the road. We also like to show you and explain potential problems and what they may cause giving you choices for the cost conscious motorist. Tea and coffee is very much available, made to your liking! So whether you want a chat about a slight rattle, or to book in for the Precision treatment, we're here for you and your vehicle, on hand with a proper brew and a friendly service.
Precision Autos Ltd, Units 9 And 10 J Bucknell Way Pathfields Business Park, South Molton, EX363FU

GKT MOT Centre

4.6/5

Welcome to GKT MOT Centre – Your local MOT testing station serving Pontllanfraith, Blackwood and local surrounding villages. At GKT MOT Centre, we have the expertise and knowledge to not only provide MOT testing in Blackwood but also, vehicle servicing, repairs, tyres and so much more! At our MOT garage, we understand how important having a reliable vehicle is for your daily life. That’s why we provide high-quality MOT testing, servicing and repairs to keep your car in excellent running condition. Our experienced, friendly technicians are committed to providing outstanding customer service and workmanship. We aim to make your experience with us as convenient and stress-free as possible.
Gkt Mot Centre, Gilwern Yard, Newbridge Road, Pontllanfraith. Blackwood., NP122AX

DK Auto Repair

5.0/5

At DK Auto Repair, we are a team of skilled and certified automotive technicians dedicated to providing the highest level of service. Our goal is to take the stress out of auto repair by offering transparent, honest, and affordable solutions. Whether you’re in need of routine maintenance, major repairs, or emergency services, we are here to get you back on the road as quickly and safely as possible. Clutch repairs Electrical repairs Timing belts and chains Head gasket replacement Suspension and brakes Free vehicle check Injector refurbishment Bodywork repairs
Unit 3, Oak Lane, Littleport, CB61RS

Zn motor repairs

4.8/5

We are a family run business located on the outskirts of Tavistock in West Devon. Our team of Technicians are equipped to deal with any issues that may arise from a mechanical failure. We have the latest Diagnostic equipment and Specialist tools to undertake those jobs that may have otherwise needed to go to the Main Dealer. We are also able to cater for LCV and HGV repairs. All general mechanical work undertaken at reasonable rates.
Unit 6, Pitts Cleave Ind Est, Tavistock, PL190PW

WINNERS CK LTD

5.0/5

Welcome to Winners, your premier destination for all automotive needs in Kettering! Located at 3 Alexandra Street, we proudly feature a top-tier MOT Center, a reliable auto repair workshop, and a state of-the art car wrapping service, providing you with unparalleled convenience and exceptional services. We are especially proud to work with NHS, UNITE, and offer Members Discounts for UK. customers, ensuring our services are accessible to everyone. Our dedicated team of professionals is passionate about delivering outstanding customer service and high-quality workmanship. At Winners, we take pride in exceeding your expectations. Whether you need comprehensive auto repair services, a reliable MOT, or want to transform the look of your car
3 Alexandra Street, Kettering, NN160SX

Frequently asked questions about car 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.

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.