A picture of mechanic standing in an approved garageA picture of mechanic standing in an approved garage
Service, Repairs & MOT

Automatic transmission fluid replacement in Ruislip

Book a local RAC Approved Garage that you can trust.

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

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
A mechanic standing inside a garage

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.

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

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 Ruislip

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

The MOT Centre

Based in Hatch End, The MOT Centre has a team of expert mechanics on hand to deal with all your car repair requirments. Our repair service uses the most up to date tools and equipment to repair any make and model of car. We keep most a range of parts in stock, or parts can be delivered within the hour by one of our suppliers, so most work can be done while you wait. We can undertake insurance work and also offer sub-contracted work.
Cornwall Road, Hatch End, Piner, HA54LS

AVS Ltd.

We are a well established local Harrow garage, providing a wide range of garage services including Servicing, MOT's, Bodywork Repairs, Tyres, Brakes and Clutches to name just a few. We cater for all makes and models of vehicles and use the latest equipment in our fully equipped workshop. Many services can be carried out while you wait or we can provide you with a courtesy car upon request.
109A Roxeth Green Avenue, Harrow, HA28AB

Church Avenue Garage Ltd

We are a well established company that deals with its customers in a friendly and courteous manner. Customer service is our top priority and our level of service is second to none. Whenever you need Brakes, Tyres, Exhausts, Batteries, Clutches, Cambelts, genuine, official parts and accessories from leading brands or a complete car care package, you can rely on Church Avenue Garage Ltd.Throughout Northolt and West London we provide a fantastic and consistent quality of service at good value to domestic and commercial clients alike. With 20 years of established quality, we are a very professional and well trusted, locally run business with very high standards of service.Our staff have been trained to the highest standard and have many years in main dealer experience.We do not carry out any work or repairs without your specific authorisation, we do not make promises we do not intend to keep and we do not mislead you into having a part replaced that is not necessary.
2 Church Avenue, Northolt, UB5 5DG

BTWL PERIVALE LIMITED

OFFERING HIGH QUALITY REPAIRS BY EXPERIENCED STAFF BTWL Perivale LTD was set up by four partners who all had an ambition of running their own car accident repair centre, putting their vast experience and knowledge in action. BTWL Perivale is an independent vehicle repairer, opening its doors in April 2024 , offering a high quality comprehensive service in west London and the surrounding areas. BTWL Perivale is the second car accident repair we have opened. Our first one is called Bodytech West London LTD located in Acton. At RAC, we’re all about keeping you and your car moving with confidence. As a trusted network of local garages, we provide high-quality car maintenance and repairs tailored to your needs – all at competitive prices. With our exclusive Brakes for Life program and a 2-year parts and labour warranty, you can drive away knowing you’re covered for the long haul.* Discover expert care, unbeatable value, and peace of mind – all under one roof. Request a quote or give us a call today! *Terms and conditions apply.
61 Aintree Road, Perivale, Greenford, UB67LA

J & A Motors

J & A Motors has provided a first class service to motorists in West London since As a garage which is AA Certified, RAC Approved, an RMI member and a Which Trusted Trader, we take our work seriously. Having served multiple generations of families for 37 years, we understand just how important your vehicle is to you, which is why our fully trained technicians look after your car with the same care and attention that you do. To put it simply, we have a name you can trust. We undertake all mechanical work. We have fully fitted workshops with the latest diagnostic equipment operated by professional and qualified staff. Our friendly team are here to keep you informed every step of the way via phone or email, as you prefer. We offer a professional and friendly service for all your MOT, Servicing, mechanical repair, Crash/Body Repair and Spare Parts needs. We carry out all air conditioning work. We also supply and fit tyres at very competitive rates, with balancing and wheel alignment.
60 Greenford Road, Greenford, UB69AT

Frequently asked questions on automatic transmission fluid change

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.