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 Sudbury

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 Sudbury

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

Kestrels Motor Company

We are a small professional team that offers sales servicing and repairs. We provide one of the best services for MOT tests at our Garage in Halstead. By using highly experienced staff and equipment you can be assured your car is in good hands to be inspected. Kestrels Motor Company have fully qualified and experienced staff that can supply and fit brakes for all makes and models at competitive prices. At Kestrels Motor Company we can cure most types of diagnostics on your car. Looking to buy tyres for your car? Kestrels Motor Company can get you driving safe and legal on the road. We carry an extensive range of batteries, which are available to be fitted while you wait. Ranging from a 3-year, 4-year & 5-year warranty.
Bluebridge Industrial Estate, Unit 6 Third Avenue., Halstead, CO92SX

GB Autos

We are an idependant garage thats a member of the RMI & IMI. We aim to carry out work to main dealer levels & above with our clean & well equiped workshop. GB Autos has Diagnostic Equipment equivalent to your main dealer, we can under take any jobs from correcting your tyre pressures to full engine rebuilds. GB Autos is now RAC Approved & are a Bosch Car Service Centre so we have passed a stringent audit & are able to work under the RAC & Bosch Banner. You can be assured that we are using the very best parts on your car for servicing & repairs & all our parts carry a 1 year warranty so rest assured that you are getting the very best Independent Car workshop possible.
Unit 46, Broton Drive, Halstead, CO91HB

Great Horkesley Garage

First established in 1994, we have decades worth of experience to tackle anything you challenge us with! We are a very successful, family run business that provides MOT, servicing, fuel sales and a shop for everyday essentials. Our mechanics are fully qualified and committed to providing a high quality service at reasonable prices on all makes and models of cars and vans.
The Causeway, Great Horkesley, CO64EJ

Mitchells Motors Repairs Ltd

MITCHELL'S Motor Repairs is Haverhill's leading independent garage, the only AA & RAC Approved and Trading standards approved independent garage in the area giving you peace of mind. Here at MITCHELL'S we put the customers best interest in everything we do to give cost effective repairs & maintenance, exceptional customer service and have workshops with the latest diagnostic equipment and Technicians trained to manufacture standards. We have been serving the local community of Haverhill and the surrounding villages for 30 years with 3 generations on the Mitchell family working passionately within the business. As we say.... 'You're in safe hands'
20-22 Hollands Road, Haverhill, Suffolk, CB98PP

Euro Pit Tyres LTD (Bury St Edmunds)

Europit Tyres – Bury St Edmunds Welcome to Europit Tyres Bury St Edmunds – your trusted local garage, proudly part of a family-run business with over 25 years of successful trading across the region. At our Bury St Edmunds branch, our team offers over 85 years of combined experience in vehicle servicing, repairs, MOTs, and tyre fitting. We’re committed to providing honest, reliable, and friendly service with no pushy sales tactics, just genuine advice and high-quality workmanship. Whether it’s a routine service, brake repair, MOT test or a new set of tyres, we treat every job with care and attention to detail. Why choose us? - We offer competitive pricing without compromising on quality - Our experienced team takes pride in getting the job done right, first time - We only use trusted parts and follow manufacturer recommendations - We're fast, efficient, and flexible – with convenient appointment times - Above all, we care about building long-term relationships with our customers At Europit Tyres Bury St Edmunds, you’re not just another booking, you’re a valued customer. Book today and experience the difference of a garage that puts your satisfaction and safety first.
Unit 5 Cratfield Road, Bury St Edmonds, IP327DF

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.