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specialists in all makes of automatic transmission

established since 1991 with over 40 years transmission experience.

Beds Automatic Transmissions Ltd are specialist re-builders of automatic transmission and gearboxes for vehicles (from cars and motor homes to commercial), providing the sort of specialist service that Bedfordshire car drivers can rely on. We don't just repair transmissions and gearboxes; we can actually rebuild automatic transmissions and auto gear boxes and repair even sealed transmission units. Beds Auto Trans Ltd are the only company in Bedfordshire dedicated to transmission repair and transmission service. We provide a cost effective solution (by re-manufacturing parts in our own workshop where possible) to any transmission problem, quickly and efficiently, using the latest electronic testing equipment and technology for a professional repair on all types of transmissions.

Owners will note that there is no dipstick to cheek the oil themselves but by having your car up on a hoist in order to access the underside of the vehicle the levels can easily be checked and then kept topped up or changed. By changing your oil regularly your transmissions life will be greatly extended and you will avoid some very expensive repair bills by the time your car is, undoubtedly, out of warranty and the transmission eventually fails - leaving you with an expensive bill.


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What We Offer

Vehicles Are Very Complex

We will use our 40+ years of fault finding experience to resolve your vehicle problems. We are specialists. We have the best trained staff..

Expertise Saves You Money

We are trained on the latest systems and are equipped to the best standards. We have the best technical resources. We have a vast amount of specific experience.


How Does It

We agree a budget with you and stick to it. We put you in control of the repair process, your car, your problem, your money, you decide.


Featured Services

Nvh problem's

The root of all NVH problems is a vibration. In some cases, these are unwanted or unexpected vibrations, and in other cases, they are normal and always present (e.g. engine combustion), but they are noticeably disturbing when transmitted to the passenger compartment. Sound is simply a vibration that is transmitted through the air (or another medium) and is heard when it reaches a person's ear. Although the perfect hearing range is 20 Hz to 20 kHz, most of us are more like 100 Hz to 15 kHz at best. Vibrations are usually felt at frequencies below 200 Hz, and in the overlapping frequency, range vibrations can be both felt and heard.

In order to deal with this frequency range effectively, our NVH kits contain both microphones (for sound), and accelerometers (for vibrations). Traditionally, NVH problems have been viewed as difficult to solve, with NVH complaints being subjective as people have different levels of NVH acceptance or feeling. A technician needs the right tools and procedures to be able to tackle these issues effectively, to diagnose complaints in an objective, repeatable and easy manner. The NVH kit does this, while also generating customer reports to show that an improvement has been made against the customer’s complaint.

Vehicle Problem Assessment

Your vehicle problems solved by specialist diagnostics services in Luton. Highly trained  Technicians accurately identify vehicle faults and problems. We’ll advise on the necessary repair process. We will confirm the cause and suggest a course of action to solve the problem. You choose what you what to do. You remain in control of the budget. We apply our expertise, our experience, our resources and our skill in equal measure to ensure your problem is resolved in the most cost effective, value for money way

We have a vast inventory of main dealer equipment which includes; Ford IDS & FRDS Mercedes Star and aftermarket equipment such as; Snap-on Zeus, Autologic, Autel. Another piece of equipment used is an first look sensor. The FirstLook Engine Diagnostic Sensor offers a fast and accurate method to diagnose automotive engine problems such as burnt valves, bad injectors and other performance problems without major disassembly of the engine. When connected to the exhaust or vacuum side of the engine to be tested the FirstLook engine diagnostic sensors enables our technicians to quickly display a complete picture of core engine performance on a suitable digital storage lab scope.




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transmission & valve  body   Testing

Mackie valve body & solenoid daq

Recently acquiring the latest acquisition in valve body testing. Built by transmission engineers based in Scotland and have a worldwide reputation in Automatic and Manual transmission remanufacture, we are please that we are able to test valve bodies to scripts provided by Makie Automatic Transmissions. With the added benifit that scripts provided have also  been used and  tested on there Transmission Dyno.  

It is one of three valve body test machine we have. Our other equipment are also data aquasistion and again produced by a UK company producing valve body and solenoid test equipment.

HydraTest Valve Body & solenoid daq

When Rebuilding Automatic Transmissions the valve body is an essential component that should be checked and repaired whist repairs are carried out to your vehicle, it is part of the rebuild. The money you pay for repairs can reflect wether or not the valve body has been tested and repaired. Hydraulic integrity of the valve body is critical. Many failures to the automatic transmission is the root cause to many problems. 


Our solenoids are ultrasonically cleaned and tested individually using our hydraulic test equiptment and in some cases the solenoid is cut opened and coil  bushes are replaced.    

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