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Turbo Rebuild and Reconditioning — UK Mail-In Turbocharger Specialists

Summary We rebuild turbochargers for cars, vans and light commercials at our Epsom workshop, and the service is mail-in — you or your garage remove the unit, post it to us, and it comes back stripped, rebuilt, VSR-balanced and bench-tested, ready to bolt straight back on.

Turbo warranties in this trade commonly stop at 12 to 24 months; every rebuild here is covered for life, with no mileage cap.

Get your turbo rebuiltBoost fault? It may be the actuator

You get your own turbo back, not an exchange unit off a shelf. Its core is stripped and measured, rebuilt on genuine OE or uprated components, balanced to specification and run up on the bench before it is boxed — and the rebuild carries a lifetime warranty with no mileage cap.

A failing turbo rarely means the whole unit is scrap. The parts that wear are the parts designed to be renewed — bearings, seals, the variable-vane mechanism, the wastegate linkage — while the housings and castings you have already paid for once are usually sound.

What a Turbo Rebuild Actually Involves

Most turbo repair pages promise a unit will be “fully reconditioned” and leave it at that. This is what happens on the bench.

  1. Strip-down and failure analysis. The turbo is dismantled to its individual parts — compressor housing, turbine housing and the centre housing rotating assembly (CHRA) that carries the shaft. We establish what caused the failure before deciding what to renew, because a turbo that failed on a contaminated oil feed will fail again if the feed is not dealt with at the same time.
  2. Cleaning and measurement. Reclaimable castings are blasted and cleaned, and carbon is removed from the turbine end and, on a variable-geometry unit, from the nozzle ring and vane mechanism. Bores, journals and thrust faces are then measured against specification rather than judged by eye.
  3. Component renewal. Journal bearings, thrust bearing and collar, piston-ring seals, O-rings and circlips are renewed as standard, never refitted. Where the shaft-and-wheel assembly, compressor wheel, nozzle ring or bearing housing is outside tolerance, it is replaced with a genuine OE or OEM-grade part.
  4. Two-stage balancing. The shaft-and-wheel assembly is balanced on its own, then the fully assembled core is spun to operating speed on a VSR (vibration sorting rig) machine and trimmed until residual vibration is inside limits.
  5. Boost-control setting and bench test. The wastegate or VNT actuator is checked and the rod length and vane sweep set so the unit delivers the boost the ECU asks for; an incorrectly set actuator throws over-boost and under-boost codes on a mechanically perfect turbo. The finished unit is then run and checked for free rotation, oil-tightness and correct actuator travel before it is packed.

Rebuild or Replace? What the Strip-Down Decides

The honest answer to “can it be saved?” depends on which components are damaged, not on how bad the noise sounds. This is how the common findings usually resolve.

What the strip-down findsUsual outcome
Shaft play with intact wheels; worn journal or thrust bearings; oil past the sealsStraightforward rebuild — by a distance the most common case
Carboned or sticking VNT vanes and nozzle ringRebuild; the mechanism is stripped and freed off, and the nozzle ring renewed if worn
Rattling wastegate rod, worn flap bush or pivotRebuild; bush and pivot renewed rather than reinstalled worn
Compressor wheel tip rub or minor blade damageRebuild with a new compressor wheel and a fresh balance
Foreign-object damage to the turbine wheelUsually still a rebuild — the turbine wheel is welded to the shaft, so the shaft-and-wheel assembly is renewed as one part
Cracked turbine housing, or a bearing housing bore worn past limitsRebuild only if the casting can be replaced economically; otherwise a replacement unit is the better buy
Turbo mechanically sound, fault traced to the electronic actuatorAn actuator repair rather than a turbo rebuild — see the section below

We do not quote before we have seen the unit. Nobody can tell you reliably what a turbo needs from a description of the noise it makes, which is why an accurate figure follows the strip-down rather than preceding it.

Turbo Repairs · Epsom workshop

Find out which row of that table your turbo is in

A description of the noise cannot tell worn bearings from a damaged shaft-and-wheel assembly; a stripped and measured core can. Post the unit to our workshop with the repair form, and what it needs is settled on the bench rather than guessed at beforehand.

Have your core assessedBrowse turbos and parts

Lifetime, unlimited-mileage warranty · Mail-in from the UK and internationally · Bench-tested and calibrated before it ships

Turbo Reconditioning, Refurbishment and Rebuild: What the Words Mean

Turbo reconditioning, turbo refurbishment, a turbo rebuild, a “recon”: people use all four for the same job, which is their own turbocharger stripped, its worn parts renewed and the unit put back into service. On this page the words mean one thing — the bench process set out above, carried out on the unit you send in.

Reconditioned, refurbished, remanufactured and serviced are not protected terms in this trade. They can describe a full component-level rebuild, or they can describe a seal kit fitted to a core that was never measured. Two things separate the two.

The first is balancing. A turbo core turns faster than anything else on the engine, riding on an oil film only microns thick. A core that is fractionally out of balance still spins freely by hand and still passes a casual check, but at full speed it loads the journal bearings unevenly, wears them quickly, and comes back with the same shaft play inside a few months. Balancing the wheels before assembly is not the same as VSR-balancing the assembled core — only the second catches the stack-up of every component together.

The second is whether the root cause is corrected rather than reassembled. Where a design weakness is known on a particular unit — a wastegate pivot that wears oval, a vane mechanism that cokes up on short journeys — the rebuild addresses it instead of putting the same failure back on the car.

“Remanufactured” is the word most often used for something different. Some suppliers keep only the housings and fit a complete new centre cartridge; a rebuild keeps any wheel, shaft or casting that measures inside its limits and renews whatever does not. Either can be done well. What decides it is whether the parts that stay were measured, and whether the assembled core was balanced.

Whichever word a supplier uses, these questions tell you which kind of job you are paying for:

  • Is the core measured against specification, or is a seal kit fitted to it as found?
  • Is the assembled core VSR-balanced, or only the wheels?
  • Is the wastegate or VNT actuator set on the bench before the unit ships?
  • Do you get your own turbo back, or an exchange unit?
  • Does the warranty carry a mileage cap or a time limit?

Every rebuild here answers those the same way. The next section sets out exactly what that covers, and what it costs.

What Every Turbo Rebuild Includes, and What It Costs

The work below is part of every turbo rebuild we carry out, whatever the vehicle and whatever the price on its listing. None of it is an optional extra, and none of it is skipped because a unit looks clean.

  • Strip-down to component level and a failure analysis, so the cause is known before any part is chosen
  • Blast-cleaning of the reclaimable castings, with carbon removed from the turbine end and, on variable-geometry units, the nozzle ring and vanes
  • Measurement of bores, journals and thrust faces against specification
  • New journal bearings, thrust bearing and collar, piston-ring seals, O-rings and circlips, renewed as standard
  • Two-stage balancing: the shaft-and-wheel assembly first, then the assembled core on a VSR machine
  • The wastegate or VNT actuator checked, with rod length and vane sweep set to the boost the ECU expects
  • A bench run for free rotation, oil-tightness and actuator travel before the unit is packed
  • Your own turbo returned, covered by a lifetime warranty with no mileage cap

These are our starting prices. Every figure we quote is excluding VAT.

ServiceStarting price
Rebuild of your own turbocharger, cars and vansFrom £185 + VAT
Electronic turbo actuator repairFrom £100 + VAT
Replacement exchange turbochargerFrom £450 + VAT

The more the strip-down finds outside tolerance, the more the rebuild involves. A core that needs only the standard wear parts is a different job from one whose shaft-and-wheel assembly, compressor wheel or nozzle ring has to be renewed as well, which is why the final figure follows the measurement. The turbos listed in our shop carry model-specific prices, and those start above the £185 + VAT floor because each is priced for a particular unit.

An exchange unit is a different purchase, not a dearer rebuild. It is the right call when the strip-down finds a cracked turbine housing or a bearing housing bore worn past limits, and the casting cannot be replaced economically. And where the turbo proves sound and the fault sits in the electronic actuator, the job is an actuator repair rather than a turbo rebuild.

Symptoms: Is It the Turbo or the Actuator?

  • Loss of power, often with the vehicle dropping into limp mode
  • A whistle or siren that rises with engine speed, or a rattle on spool-up
  • Blue smoke on acceleration, from oil passing the compressor seal
  • Rising oil consumption with no external leak
  • Over-boost or under-boost fault codes stored with little else to show for it

That last one matters. On a modern variable-geometry diesel, boost faults are as often the electronic actuator as the turbo itself: worn motor gears or a failed position sensor will stop the vanes reaching commanded position while the core is in perfect health. If your codes point that way, our electronic turbo actuator repair service is the right place to start. A stripped-core inspection settles it either way.

Turbos and Vehicles We Rebuild

Start with your make. Each page below routes you to the engine, and the turbocharger, that your vehicle actually carries.

MakeWhere to startWhat it covers
AudiAudi turbo rebuildPetrol K03/K04 and TDI diesel
BMWN47 2.0d · 3.0d M57 and N571 Series, 3 Series, X1 and X3 2.0d; 330d, 530d, 335d and X5
CitroënCitroën turbo rebuildIncluding the 1.6 HDi and its oil-feed problem
FordFord turbo rebuildFocus, Transit, Kuga, Mondeo and S-Max, by engine
HondaHonda 2.2 diesel turbo rebuildCR-V, Civic and FR-V
Kia and HyundaiKia Sportage and Hyundai Tucson CRDiSportage, Tucson and ix35 1.6, 1.7 and 2.0 CRDi
Land RoverLand Rover turbo rebuildFreelander 2, Evoque, Defender, Discovery and Range Rover, by engine
MazdaMazda 2.2 diesel turbo rebuildMazda 6 and CX-5
Mercedes-BenzMercedes-Benz turbo rebuildCDI cars and vans, sorted by engine family
MINIMINI turbo rebuildCooper S and Cooper D
MitsubishiMitsubishi L200 turbo rebuildThe 2.5 and 2.4 DI-D
NissanNissan Qashqai 1.5 dCiThe Qashqai 1.5 dCi diesel
PeugeotPeugeot turbo rebuild1.2 PureTech, 1.5 and 1.6 BlueHDi and 1.6 HDi
Renault and DaciaRenault and Dacia 1.5 dCiClio, Megane, Kangoo, Scenic, Captur and Duster
VauxhallInsignia 2.0 CDTI · Astra, Zafira and Meriva CDTi · 1.4 Turbo petrol · Corsa 1.3 CDTiDiesel and petrol, by engine
Volkswagen, Skoda and SEATVW Golf TDI · VW TransporterGolf 1.6 and 2.0 TDI; Transporter T5 and T6. Skoda and SEAT are not listed separately yet

We rebuild Garrett, BorgWarner/KKK, Mitsubishi, IHI and Holset units across common UK diesel and petrol applications. These pages cover the failures we are asked about most:

The turbochargers listed above are the units we handle most often. The range is not exhaustive — if yours is not shown, we very likely still rebuild it.

How the Mail-In Service Works

  1. Remove the turbo. The service is mail-in, so the unit needs to be off the vehicle. If you are not doing that yourself, your local garage can handle the removal and the refit.
  2. Pack it properly. The wheels are the vulnerable part in transit. Blank the ports, wrap the unit, and use a rigid box with plenty of padding around the compressor and turbine ends.
  3. Send it in. Our workshop address is Unit 102 Reaver House, 12 East Street, Epsom, Surrey, KT17 1HX, United Kingdom.
  4. Strip, rebuild, balance, test. Typically one to three working days on the bench once the unit arrives.
  5. Your unit comes back. Because it is your own turbo rebuilt to specification rather than an exchange unit, there is no coding or adaptation to arrange — it refits and runs.

On refit, renew or thoroughly flush the oil feed pipe, fit new gaskets, change the engine oil and filter, and prime the turbo with clean oil before the first start. Oil starvation in the first seconds of running is one of the most common causes of a repeat failure. We work for independent garages and workshops as well as private owners, and the same advice goes to both.

What the Lifetime Warranty Covers — and What It Does Not

Every turbo rebuild is covered by a lifetime warranty with no mileage cap. That is worth stating plainly, because turbo warranties in this trade commonly run 12 to 24 months and are often capped at around 12,000 miles a year.

It covers our workmanship and the parts we fitted. If a bearing, seal or wheel we installed fails, the unit comes back in and is put right. What it cannot cover, and what no turbo warranty realistically can:

  • Oil starvation or a restricted oil feed — the cause originates in the engine, not in the turbo
  • Contaminated oil, extended service intervals, or oil of the wrong specification
  • Foreign-object damage drawn in through the intake or fed in from the exhaust side
  • Over-boost from a remap or from a boost-control fault left uncorrected
  • Damage caused at refit, including running the engine before the turbo has oil pressure

Those exclusions are standard across the industry. We set them out here rather than in small print, because knowing them is what prevents the second failure.

Turbo Repair FAQs

How long does a turbo rebuild take?

Typically one to three working days from the unit arriving at the workshop. A complex variable-geometry turbo, or one needing a part on order, can take longer — we tell you if that applies to yours.

What does a turbo rebuild cost?

It depends entirely on what the strip-down finds, so the figure follows the assessment. For context, remanufactured replacement turbochargers for common UK diesels are typically listed in the region of £300 to £650 by trade suppliers, with brand-new units higher again. Rebuilding the unit you already own keeps the housings and castings you have paid for once already, which is why it is usually the cheaper route.

Can you tell me what is wrong before I send it in?

Not with any honesty. Symptoms and fault codes narrow it down, but shaft play, bearing wear and vane condition can only be judged with the core stripped and measured. Anyone quoting a firm price over a description is guessing.

Will my ECU need coding after the rebuild?

No. You get your original turbo back with its own actuator set up on our bench, so it goes on as a direct refit with no programming or dealer visit required.

Is a rebuilt turbo as reliable as a new one?

When it is rebuilt to specification, yes — new bearings and seals, in-tolerance wheels and a balanced core give you a unit performing to the original design. Where that design had a known weak point, a rebuild that addresses it can outlast the part it replaced.

What actually makes turbos fail?

Oil is behind most of it: starvation from a blocked or collapsed feed, contamination from long service intervals, and coking after a hot shutdown. Beyond that, carbon build-up on the VNT vanes of short-journey diesels, foreign-object damage, and sustained over-boost account for the majority of what reaches our bench.

Send Your Turbo In for Rebuild

Find your unit in the turbochargers we rebuild and supply to get your repair under way, or browse the wider Turbo Repairs shop for parts and reconditioned units. If you would rather know more about the workshop and how we work before posting anything, that is set out on our about page.

Turbo Repairs · Epsom workshop

Send your turbo in for rebuild

Tell us the vehicle and the symptoms on the repair form, post the unit to us on a tracked courier, and it comes back stripped, rebuilt, VSR-balanced and bench-tested — your own turbo, not an exchange unit.

Start your repairFind your turbo

Lifetime, unlimited-mileage warranty · Mail-in from the UK and internationally · Bench-tested and calibrated before it ships

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