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

£601.66

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.

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

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.

Vehicle diagnostic check

£99

Our mobile mechanics will spend up to 30 minutes checking your car for faults and talk you through any repairs you might need and give you a report for your records. Plus, when we’ve diagnosed the problem get £50 off mobile mechanic repairs over £150 – for a limited time only. T&Cs apply. Offer ends 03/08, 23:59. 

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

Diplock Fuel Injection Services Ltd

5.0/5

We at Diplock Fuel Injection Services Ltd are a professional and friendly company based in Hailsham. Established since 1985, with individuals having over 50 years experience our car mechanics offer an array of car maintenance services. We specialise in diesel fuel injection and MOT testing, and can offer a comprehensive selection of repair work. We have built up a highly sought-after reputation and we come highly recommended by people in the trade. We also pride ourselves on offering very good rates on MOT tests; so please contact us for an unbeatable price!
Unit 3/4 Avocet Way, Diplocks Way, Hailsham, BN27 3JF

Orpington Motorworks

4.9/5

Welcome To The South East's Leading Independent Mechanics & Vehicle Servicing Centre. Mechanics you can trust, next-day service available using the latest manufacturer’s diagnostic Equipment, all whilst saving you up to 40% on main dealer prices. About Our Vehicle Repairs & Servicing Orpington Motorworks offers a full range of Vehicle servicing and repair solutions all including good quality parts. Having an annual service for your vehicle is one of the best ways you can maintain its good condition and avoid some basic issues that if ignored can end up causing costly damage. One of the most important aspects of a service is the oil change. At Orpington Motorworks we use only the best quality parts for your vehicle, so when you come to us for a service or an oil change you know that your vehicle is getting one of the most advanced services. Prices start from £150 for a full service or £75 for a interim service. Please feel free to call us today to discuss a service plan to suite you. To ensure the smooth running of your vehicle it should be serviced once a year. A full service includes a series of maintenance checks including an oil change. Any issues due to wear and tear will also be noted should any further work be required. Fleet Vehicle Servicing Our fleet customers typically save up to 40% on repairs and maintenance. We specialize in all areas of fleet vehicle servicing including repairs, annual servicing, midterm contract inspections and end of lease contract preparation.
Orpington Motorworks, Unit 1, Court Lodge Farm, Warren Road, Chelsfield, Orpington, BR66ER

A1 Tyres and Exhausts

5.0/5

With over 30 years experience of automotive repairs in Coventry, A1 Tyres and Exhausts is a name that you can rely on to deliver a professional, high quality, and reliable service, that will meet all of your car needs. And above all, we are a name you can trust again and again.
Unit 12-13, Relton Mews, Coventry, CV65HE

HiQ Tyres & Autocare Gosport

4.9/5

HiQ Tyre & Autocare Gosport, We are a local business that started from the ground up. As well as MOT’s and Servicing being our strength we are also able to offer Tyres for any vehicle, any size, any brand. In fact we do pretty much anything your car could ever need so if you’re unsure just give us a call. Reg and John the owners own and operate 3 HiQ’s across Hampshire and are experts in the industry with countless years of experience amongst them and the team. We are pleased to support our Military Personnel in Gosport and offer discount on production of ID. Our car care service offer includes Oil & filter service, interim and full car service schedules alongside Manufacturer Approved Warranty vehicle servicing. We also offer exhausts, brakes, clutches, MOT testing, car repairs, air-conditioning services, wheel alignment services and much more. Our team of mechanics and technicians work to the highest standard possible and are highly qualified to work on a range of various car and van marques. We are also proud to offer our customers excellent garage services at an exceptional price. Our trained technicians are very approachable and are able to provide expert advice in the best interest of your vehicle. We also offer Payment Assist so you can split your bill over several payments, however, this excludes payment for Tyres.
104 Fareham Road, Gosport, PO130BB

W G Friend & Son Ltd

4.0/5

W G Friend & Son Ltd
Units 8-10 Stowford Business Park, Ivybridge, Plymouth, PL21 0BE

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.