A customer in the garden with an RAC Mobile Mechanic in the background.A close-up of a customer tending to her garden with an RAC Mobile Mechanic in the background.
Service, Repairs & MOT

Glow plugs 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

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a glow plug repair?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running.

Plus, with RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage when you need a repair. We’ll come to you, at your home or work.

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 for your Renault

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.

A customer tending to her garage with an RAC Mobile Mechanic in the background

Book a glow plugs repair

If your diesel engine is having trouble starting, especially in cold weather, it could be faulty glow plugs. Our mobile mechanics can come to you at home or work to replace defective parts, all without the hassle of getting to a garage!

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 glow plug repairs that 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

Budget Tyres & Motors LTD

4.5/5

Ealing Tyres Servicing & MOT provides extensive automotive parts repairs including tyres, brakes, exhausts, MOT testing, car servicing and air conditioning recharge. We're open 7-days-a-week from 8.30am to 7pm Monday to Saturday and 10 to 5pm on Sundays. We're the leading fast-fit supplier of tyres in the area and carry stocks of over 999+ products from leading manufacturers including Pirelli, Goodyear, Michelin, Continental and Dunlop. With over 9 Centres in the Greater London you're never far from a ETS where our teams can help you get back on the road.
2 Eccleston, West Ealing, Ealing, W130RL

ABM Autohaus Ltd

4.3/5

We are specialists in engine reconditioning of all makes and models. We are based in Sutton Coldfield in Birmingham, West Midlands. We carry out all general car repairs, servicing, wheel alignment, tyre replacement, wheel balancing, exhausts, welding work, head gaskets, cambelts, timing chains, engine replacements, gearbox replacements, clutches, brakes, general diagnostics and general 32 point health check services. Our three technicians have over 45 years of combined experience in this industry, and invaluable experience in working on all makes and models of vehicles. We are part of the BMW portal and are able to update your online service record book through our BMW key reader and carryout diagnostics, resets, and repairs at a BMW dealership standard. We get cars sent to us from BMW all over the country.
Unit 34 Reddicap Trading Estate, Sutton Coldfield, Birmingham, B757BU

Triad Of Newport

5.0/5

At Triad our aim is to supply the quality cars at competative prices.All our cars are prepared in our own workshops that carry out servicing, Mot's, Aircon regas,Diagnosis using the latest equipment.Customer satisfaction is our main goal whether you are buying a car or just having a service/MOT. No gimmicks to get you through the door just good old fashioned service." We are a RAC approved workshop and used car sales.
Triad Of Newport, 104 Main Road, Newport, HU15 2RG

GJB Autos

4.2/5

Welcome to GJB Autos, we are a garage conveniently located on Littlestone Road New Romney. We serve the local community of the Romney Marsh and surrounding areas. We are proud to have been established since 1975, in North Street New Romney and moving to our current premises in Littlestone Road in 2015. GJB Autos have built a great reputation providing a professional and friendly service to all our customers. It’s important to regularly maintain and check your car, not only for your safety and the safety of drivers around you but it will also help to sell your car in the future with a comprehensive service history. GJB Autos offer a comprehensive range of services at our service center including engine diagnostics, servicing, brakes, tyres, air conditioning, ECU remapping and much more. With many years experience in the industry, we can carry out servicing on all makes and models of vehicle. GJB Autos is a VOSA approved MOT testing centre for class 1,2, and 4 and a registered member of the GoodGarageScheme.com RMI, Autofirst Network, RAC Approved/Accredited, we guarantee quality and efficient work at reasonable prices every time.
8 Littlestone Road, New Romney, Romney Marsh, TN288PL

CS Automotive Vehicle Repair Ltd. T/A CS Autos

5.0/5

Rated 5* on Google an Yell. Discover CS Autos – your go-to destination for premium automotive care without the dealership price tag. At CS Autos, we're dedicated to delivering unmatched service quality, ensuring your vehicle receives top-notch attention every time. Our team of skilled technicians is committed to keeping your vehicle in peak condition, from routine maintenance to specialized repairs. Experience the difference with CS Autos – where excellence meets affordability. We specilise in Mercedes-Benz vehicles with over 25 years main dealer experience we will be able to assist with vehicles ranging from a Smart Car to a Mercedes Sprinter. Our workshop based in Kelvedon, Essex is where your vehicle will be maintained by our expert technicians. We also offer a Fleet management service for business owners who have a large fleet of vehicles.
Ewell Hall Barn, Ewell Hall, Kelvedon, CO59BQ

Frequently asked questions on glow plug repair

A glow plug heats the air in a diesel engine to help it start, especially in cold weather.

When a glow plug fails, your engine might be hard to start, producing more smoke, engine misfires, and poorer performance.

You can, but it’s not a good idea. It can lead to poor engine performance, increased emissions, and overall damage.

Glow plugs typically last between 60,000 to 100,000 miles. Read your car’s manual and have them checked regularly.

It’s tricky and needs specific tools, so it’s best to let a mechanic handle it.

Replacing faulty glow plugs can improve engine start-up, reduce emissions, save fuel, and prevent engine damage.

It depends on your car’s warranty terms. They’re often not covered since they’re a wear-and-tear item, check with your warranty provider.

Yes, all diesel engines use glow plugs for starting, especially in cold weather. Regular maintenance and replacements are vital for the best performance.

Failures can be due to electrical issues, carbon build-up, corrosion, or incorrect installation. Regular maintenance helps prevent this.