When an engine has failed or is too worn to repair sensibly, there are two main routes. We lay them out honestly so you can choose what suits the vehicle.
Few garage conversations are harder than being told the engine is finished. It might be a seized bottom end, serious oil starvation, a failed timing belt that has damaged the valves, or long-term overheating. Before anyone commits, the real question is whether the engine can be rebuilt, replaced, or whether the vehicle is better left.
MTS Garage Services handles Engine Rebuilds Hayes drivers ask about and Engine Replacement Hayes jobs for cars and vans of all makes and models. We start with a proper diagnosis, so the decision rests on what is actually wrong. Drivers from Hounslow, Southall and Uxbridge are welcome to talk it through with us.

A rebuild means stripping your own engine, inspecting every component, measuring wear, machining or renewing what is out of tolerance and putting it back together with new gaskets, seals and bearings as needed. Replacement means fitting another engine, which may be a reconditioned unit or a used one, in place of the failed engine. Rebuilding keeps the original engine, which can matter on some vehicles, while replacement can suit cases where the damage is extensive. Neither is automatically the better route. The right choice depends on the fault, the vehicle and what you want from it.
Several things help us advise you.
Once we have confirmed the cause through diagnosis, we explain the findings in plain terms and the route we would suggest, with an estimate before any work begins. The engine comes out, and depending on the route it is stripped for assessment or swapped for the replacement. Ancillary parts are checked, fluids renewed, and the engine is started and tested before the vehicle is returned. We do not promise an engine life or a timescale, as both depend on the individual job and on parts availability, but we will tell you what to expect.
A rebuilt or replacement engine needs a sensible start. We will advise on running-in, early oil and filter changes and what to watch for in the first weeks, such as temperature, oil level and any new noises. Regular servicing matters even more at this stage. To start the conversation, call us or get in touch with the make, model and what happened. Our engine diagnostics page explains the investigation stage, and our timing belt, head gasket, overheating, turbocharger and misfire pages cover repairs that can sometimes avoid a rebuild.
Call us on 0208 843 9091 or send the form below and tell us about your vehicle.



Pictures are for illustration purposes only.
“Have received amazing customer service, always up to date with my repair and their diagnostic was on point. Very good experience overall would definitely recommend.”
“Thank you MTS you have ensured you fixed my car straight away. Diagnosed the problem straight away, fixed efficiently. Friendly staff. I highly recommend MTS.”
“Always my go to, reliable, friendly”
Not necessarily. It depends on how much needs renewing and what replacement engines are available for your vehicle. We cannot give figures without inspecting it, but we will explain how each route compares for your car or van.
Yes. We work on cars and vans of all makes and models. The engine type, mileage and condition of the vehicle all affect what we recommend, so give us the details when you get in touch.
We do not promise engine lives. It depends on the quality of the work, how the engine is used, and how well it is maintained. Regular oil changes and prompt attention to warning lights make the biggest difference.
Yes, in most cases. A noise or smoke may turn out to be a repairable fault, so we confirm the cause before suggesting a rebuild or replacement. That way you only pay for the work that is truly needed.
Tell us about your vehicle and we will be in touch.
Prefer to talk? Call 0208 843 9091. Opening hours: Monday to Friday 8:30AM - 5:30PM, Saturday 9:00AM - 1:00PM, Sunday closed.
MTS Garage Services, 5 Chesterfield Way, Hayes, Middlesex, UB3 3NW