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 Audi

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

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

£502.71

Average price for this repair for your Audi 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 Audi

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 Audi

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

B&W Motor Company.

4.4/5

Welcome to B&W Motor Company From our convenient location in South Croydon, we aim to offer our customers peace of mind that we can cater for all aspects of maintaining their vehicles in a cost effective and friendly manner. We deal with all makes of cars and LCV’s whether they are Privately owned, Company or Lease managed vehicles. We are delighted to have been invited to join the national network of RAC Approved Garages. The RAC have been serving motorists since 1897, and as the motorist’s champion, it’s their duty to provide motorists with a network of independent garages they can trust, that’s why they set up the RAC Approved Garages Network. As an RAC Approved Garage we follow the RAC Customer Charter for Approved Garages. This means you will get: Honest pricing – All work will be explained clearly and the costs will be transparent Quality work – Any repairs done will meet the high standard set by the RAC Exceptional customer service – You’ll find the service friendly, straightforward and jargon free For more information about the RAC and the Approved Garages network, please visit: www.rac.co.uk/approvedgarages Our range of services offer a winning combination of affordability along with the highest technical and customer service standards; whether basic servicing, diagnostics, wheel alignment, brakes, clutches or air conditioning.
57 Brighton Rd, South Croydon, CR26ED

RPM Motor Services Limited

5.0/5

£5 plus vat collection and delievery within 10 miles. Free loan cars subject to insurance cover Mot test centre on site. Bosch trained technician Car sales Air con Tyres Exhausts Brakes Batteries.
Unit 1, Harbour Road, Seaton, EX124AA

Turner Brothers

4.8/5

Established in 2000, Turner Brothers has grown in to one of the most comprehensive and forward thinking garages in the area. Services include anything from bulb replacement to full engine rebuilds and body shop facilities. We are a recommended Bosch Service Centre.
Turner Brothers Limited, Bottoms Mill, Woodhead Road, Holmfirth, HD9 2PX

Paul Yates (Wirral) Ltd T/A Dave Campbell Autos

4.4/5

Dave Campbell Autos are an established local independent garage and are proud to be members of RAC Approved powered by 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 .
Unit 13 Grisedale Road, Bromborough, CH62 3QA

A30 Auto Service Centre

4.7/5

RAC Approved Car and Van specialist Service Centre with over 75 years of experience, We also offer MOT, Servicing, and light repair for all other vehicle types. Our highly skilled technicians are dedicated to ensuring your vehicle is running smoothly and efficiently. Contact us today to schedule your appointment and experience the best in automotive care. SERVING ALL AREAS OF CORNWALL INCLUDING ST AUSTELL, BODMIN, WADEBRIDGE, TRURO & VICTORIA CONTACT US TODAY TO SCHEDULE YOUR APPOINTMENT AND EXPERIENCE THE A30 AUTO SERVICE CENTRE DIFFERENCE.
Unit 4B Victoria Industrial Estate, Victoria, St Austell, PL268LX

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.