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 Witney

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 Witney

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

Standlake Vehicle Services Ltd.

We are a Small independent garage covering all vehicle makes including light commercial repairs and MOT's
Unit 5 Standlake Business Park, Witney Road, Standlake, Oxford, OX29 7PR

JG Motor services Ltd

With nearly 20 years experience in the motor trade as a mechanic I decided to start my own company. We have experience on all makes and models but John was a master technician with Ford and a senior technician with Volvo. We work on both car and commercial including trailers and horseboxes. We offer a friendly and reliable service to all of our customers.
Unit 22 W And G Industrial Estate, Faringdon Road, Challow, OX129TF

Wantage Motor Group LTD

Wantage Motor group Ltd offers a wide range of both auto electrical and mechanical repair services for the Wantage and surrounding areas. We specialize in breakdowns, diagnostics and fault finding whether it’s a domestic or commercial vehicle. From engine repairs to servicing, no job is too large or too small for us to bring your car back to how it should work. All parts come with a 12-month guarantee (or 12,000 miles – whichever arrives first). List of services we offer: Free Estimates Mechanical Car Repairs Fault finding and Diagnostics Servicing and Repairs Engine management systems Tyres Brakes Suspension Exhausts Auto Air Conditioning MOT
Grove Rd, Wantage, OX127DR

Oxford Car Care Limited

Oxford Car Care in Great Haseley, Oxford, is committed to delivering exceptional service to our local community. Our dedicated team of professionals brings together extensive expertise across our modern workshop facilities, ensuring you receive the highest standard of vehicle care. We pride ourselves on combining technical excellence with genuine, friendly service. Our commitment to maintaining rigorous industry standards and delivering consistently high-quality workmanship has made us a trusted name in the Oxford area. Our team is here to assist with all your automotive needs, offering transparent advice and competitive pricing that provides real value. From MOT tests and tyre services to routine maintenance and complex repairs, we’re here to keep you safely on the road. Visit us today and experience the professional, reliable service that makes Oxford Car Care the trusted choice for local motorists in Great Haseley and the surrounding areas. We are open 6 days a week, with convenient availability to accommodate your busy schedule.
The Windmill, Thame Road, Oxford, OX447JA

Draycott Engineering ltd

One of Didcot's leading automotive experts. We've been trading since 1998, and in that time have built up a great reputation for providing friendly, reliable and trusted service to our local community. We cater for all makes and models and can help with any vehicle-related issue, including general repair services, routine maintenance services and class 4 MOTs. We have been located in Didcot since the beginning, and actively play a role in the community. We promote, support and regularly donate to numerous local charities that are dear to our hearts, as well as making donations to help tackle global health and environmental issues as and when they occur. We do everything we can to help people. Our team always strives to put you, the customer, first. We ensure that you are kept up to date with progress and always try to explain technical issues in a straight forward way. As members of the Good Garage Scheme and trusted by the RAC, you can count on us to uphold high standards at all times.
Richs Sidings, Broadway, Didcot, OX118AG

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.