Book an Automatic Transmission Fluid Change in Reigate

Why choose the RAC for an automatic transmission fluid top-up?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running. We'll give you results you can rely on at a price you can afford.

Close up of an RAC Mobile Mechanic underneath a car

Book an automatic transmission fluid replacement

To help make sure you’re getting smooth gear shifts and a long transmission life you need to maintain your automatic transmission fluid. So when you need to, make sure you have that old fluid drained and refilled at an RAC Approved Garage.

Quality work

Any work done will meet the high standards set by the RAC.

Exceptional customer service

We’re friendly, straightforward and jargon-free

A mechanic inspecting the underside of a vehicle.

Book a diagnostic

A mechanic will check your car for faults and talk you through any repairs you might need. There are various ways to check for faults, which could include a physical examination or plugging in to check your car’s onboard engine management system.

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

And it’s not just automatic transmission fluid replacements that we do in Reigate

RAC Approved Garages offer MOTs and services. Our professional mechanics have the expertise and experience to make sure your vehicle is operating safely and efficiently – results you can rely on at a price you can afford.

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

KMK Automotive - Walton On The Hill

5.0/5

KMK Automotive is an independent family-run business based in Surrey, backed by more than 30 years’ experience in the industry. With auto repair garages in Leatherhead and Tadworth, we deliver exceptional vehicle repairs and services for all makes and models and our qualified mechanics complete jobs of all sizes to the highest possible standard. Whether you need to repair a fault, or your MOT test is due, our AA & RAC-approved auto centre has got you covered. For a high-quality, cost-effective alternative to main dealer services, get in touch with our fully insured team today.

Rear Of 14 - 16, Walton On The Hill, Tadworth, KT207RT

SNS Repair Services

SNS Repair Services is a family run business, who strive for nothing but excellence for our customers. We value the relationships we build with our customers and will always go the extra mile to make sure your fleet or vehicle remain on the road with great turn around times. In the beginning we started out doing jobs for friends and family and have now transitioned into a full service workshop. Already experts in many areas and are still growing fast! We have a proud history of excellent work and customers service, with many companies and couriers trusting us to keep them on the road! RAC Approved Garage.

Unit 5 Hurstridge, Hathersham Lane, Horley, RH69JG

KMK Automotive - Leatherhead

When you choose KMK Automotive Leatherhead, you can expect a high standard of service from one of the most trusted automotive specialists in the area. We offer a convenient collection and delivery service, along with courtesy cars (subject to availability), ensuring minimal disruption while your vehicle is with us. Our experienced team carries out a full range of services, including routine servicing, diagnostics, repairs, and more. Whether your vehicle is for domestic, commercial, or industrial use, we ensure it remains safe, reliable, and fit for purpose. We are proud to hold multiple industry accreditations, including RAC Approved Garage, AA Approved Garage, The Motor Ombudsman, RMI, and IMI. These reflect our commitment to quality workmanship, transparency, and excellent customer care. Choose KMK Automotive Leatherhead for a professional, efficient, and customer-focused service you can rely on.

Rye Brook Road, Leatherhead, KT227QG

Motormasters

Our hand - picked team of technicians has extensive training and experience in working on many makes and models of vehicle. We service, repair and carry out MOT testing by appointment, we also do all makes servicing & mechanical repairs, air conditioning, ABS brakes, batteries, clutches, diagnostic services, engine management, exhausts, suspension, steering, tyres and wheel alignment. Here at Motormaster Vehicle Services & Repairs, we pride ourselves in a high standard of work, carried out under clean, tidy conditions. We really do care about our customers – and their cars – and are proud to know that most of our new clients are brought to us by word-of-mouth recommendation.

Unit 12, Bookham Ind Est, Church Road, KT23 3EU

Power Evolution Performance

- We specialise in BMW, MINI & German motor vehicles. - All makes and models welcome. - N47 & M57 Diesel timing chain specialists.

20 Reading Arch Road, Redhill, Surrey, RH11HG

Frequently asked questions on automatic transmission fluid change

How often should automatic transmission fluid be changed?

Automatic transmission fluid should be changed every 30,000 to 60,000 miles. However, always check your vehicle’s manual for the manufacturer’s recommendation. Your driving habits and the conditions you drive in will affect how quickly your fluid degrades. Regular checks and following the manufacturer’s guidelines will help to make sure your transmission stays in good condition.

Why do people say never change transmission fluid?

Some people believe that changing old transmission fluid can cause issues, especially in high-mileage vehicles. This myth stems from the fact that when automatic transmission fluid is changed, the new fluid can sometimes dislodge debris, causing problems. However, this is usually due to debris build-up.

What happens if you don’t change automatic transmission fluid?

If you don’t change the automatic transmission fluid, it can become contaminated and lose its effectiveness, leading to transmission wear and potential failure. Over time, dirty automatic transmission fluid can cause increased friction, overheating, and significant transmission damage. Regular changes will help you avoid costly repairs and keep the transmission running smoothly.

How do I know that the automatic transmission fluid has been changed recently?

Fresh automatic transmission fluid is bright red and clear. If your fluid looks clean and smells fresh, it’s been changed recently. You can also check the service records for confirmation. If in doubt, ask your mechanic to check.

What are the signs that I need an automatic transmission flush?

Signs that you might need a transmission flush include:

Slipping gears: The transmission struggles to stay in gear.
Delayed gear engagement: There’s a noticeable delay when shifting gears.
Overheating: The transmission becomes excessively hot.
Unusual noises: Grinding or whining sounds from the transmission.
Dirty fluid: The automatic transmission fluid is dark or discoloured.

A flush can help remove contaminants and restore the fluid’s effectiveness.

Can I change the automatic transmission fluid myself?

It’s often best to have a professional do it. The process can be messy and requires proper disposal of old fluid. Professional services also include checks and diagnostics to ensure everything is working.

What’s the difference between transmission fluid and gearbox oil?

Transmission fluid is used in automatic transmissions, while gearbox oil is used in manual transmissions. They’re made to do different jobs, so they’re not interchangeable. Automatic transmission fluid is designed for the hydraulic and cooling needs of automatic transmissions, while gearbox oil provides the necessary lubrication for manual transmissions.

What is an automatic transmission flush?

An automatic transmission flush is a service where all the old automatic transmission fluid is removed, and new fluid is added. It helps remove contaminants and old fluid that might be stuck in the transmission. It’s more thorough than a simple fluid change and can help restore the transmission’s performance.

Is an automatic transmission fluid change necessary?

Yes, changing the automatic transmission fluid is necessary to keep your vehicle’s transmission running well. Over time, the fluid degrades and becomes less effective, leading to potential transmission problems. Regular changes help the transmission run smoothly and can prevent costly repairs down the line.

How can I extend the life of my automatic transmission fluid?

To extend the life of your automatic transmission fluid:

Regular maintenance: Follow the manufacturer’s guidelines for fluid changes.
Avoid excessive heat: Don’t overload your vehicle or tow heavy loads when you don’t have to.
Check for leaks: Regularly inspect your vehicle for fluid leaks.
Smooth driving: Avoid aggressive driving habits that can overheat the transmission.

Proper care and regular upkeep can significantly extend the life of your automatic transmission fluid and transmission.

How long does an automatic transmission fluid change take?

An automatic transmission fluid change will typically take about 1 to 2 hours, depending on the vehicle and the service provider. This includes draining the old fluid, replacing the filter (if necessary), and refilling with new fluid. If more services or diagnostics are needed, it could take longer.

What should I do if my transmission fluid is low?

If your transmission fluid is low:

Check for leaks: Look for any visible leaks under the car.
Top up the fluid: Use the right type of fluid for your vehicle.
Monitor the fluid level: Regularly check the fluid level to make sure it stays within the recommended range.
Consult a mechanic: If the fluid level continues to drop speak to a mechanic so that they can inspect and fix any issues.