Book an Alternator Repair for your Subaru

£426.17

Average price for this repair for your Subaru 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 Subaru models such as Outback, Forester, XV, Impreza, and Crosstrek. This service is completed at your home or workplace, following Subaru 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 Subaru

We’ll come to you at home or work

RAC Mobile Mechanic

CDRSD-703_SEO500_-_Location_Page_-_Top_Pick_-_800x450.webp

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

£125

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 Subaru

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

Euro Testing Station

4.2/5

Hi we pretty much do everything except electrics. Also do Class 4,5&7 mots.

80 Greville Street, Manchester, M130YG

Kmita Motors

4.0/5

We are a family run business providing excellent service to our customers. Our fully qualified and trained mechanics can offer all types of service repairs and diagnostic for any make of vehicle. We offer great service at affordable cost. Our mechanics hold a combined experience of motor vehicle repairs for over twenty years. They are fully trained and qualified, holding level 3 in motor vehicle repairs and obtaining a M.O. T Manager inspector certificate award.

85A Springhead Road, Northfleet, Gravesend, DA119QZ

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

The Motor Medics (Midlands)

4.1/5

The Motor Medics are a vehicle repair workshop and mobile mechanic service based in Coalville and provide their services in the surrounding areas. We offer diagnostic repairs, MOT's and servicing. A free collection and delivery service is available if your vehicle needs an MOT or work that has to be undertaken at our garage. We pride ourselves on having a flexible approach to car repairs, MOT's and Servicing. A garage that values you, the customer's time as much as your custom. We work on a fully insured basis with 20 years experience and pride ourselves in the quality of our work being at the highest of standards at all times.

Unit 4 Horsepool Grage Ind Estate, Markfield, LE679TW

Monument Motor Services Ltd - Kings Norton

4.0/5

Servicing, Repairs and MOT in Kings Norton, Longbridge & Bromsgrove - Est 1978 Friendly family run garage who value honesty, good communication and providing a personal service. ADAS - advanced driver - assisted system specialists MOT class 4, 5L & 7 (cars, minibuses, motorhomes and light commercial vehicles) 4 wheel alignment / dealership level diagnostics Fleet maintenance - minibus / light commercial vehicle inspection / MOT Our traditional values supported by the latest diagnostics and technical knowledge have led to an established customer base both private and fleet. Please email [email protected] if we help.

Unit 5, Kings Norton Industrial Estate, Stockmans Close, Kings Norton, B38 9TS

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.