0208 058 9668
SPECIALIST TRANSMISSION WORKSHOP

GEARBOX SERVICES &
TRANSMISSION REPAIR.

Dealership-grade gearbox reconditioning, DSG dual-clutch repairs & free UK recovery with our comprehensive 12-month / 12,000-mile warranty.

UK
FREE RECOVERY (COMPLETED REPAIRS) 12-MONTH / 12,000-MILE WARRANTY ALL MAKES & MODELS COMPLIMENTARY CAR WASH ON RETURN PRECISION COMPONENT RECONDITIONING
Gearbox Replacement Specialist

GEARBOX REPLACEMENT

By Gearbox Giants

When an internal transmission failure causes severe mechanical damage, we supply and install reconditioned transmissions verified through dedicated quality testing.

  • ✓ Smoother gear transitions & response
  • ✓ Restored optimal fuel economy
  • ✓ Brand new / OEM grade certified components
  • ✓ Comprehensive parts & labour warranty
Gearbox and Clutch Repair Specialist

GEARBOX & CLUTCH REPAIR

By Gearbox Giants

A slipping clutch, damaged dual-mass flywheel, or worn synchromesh causes difficult shifting. Expert component-level repair eliminates issues without replacing the entire gearbox assembly.

  • ✓ Dual-mass flywheel & friction plate repair
  • ✓ Synchromesh & gear tooth refurbishment
  • ✓ Bearing, seal & selector fork replacement
  • ✓ Mechatronics solenoid & valve body overhaul
Gearbox Reconditioning Facility

GEARBOX RECONDITIONING

By Gearbox Giants

Complete mechanical remanufacturing restoring your existing transmission to factory condition. You gain the durability and performance of a new gearbox at up to 60% lower cost.

  • ✓ Full ultrasonic teardown & component cleaning
  • ✓ High-wear parts replaced with OEM bearings/seals
  • ✓ Calibrated to original factory tolerances
  • ✓ Backed by comprehensive warranty

Specialist Expertise Across Every Transmission System

Whether your vehicle is equipped with a complex dual-clutch DSG, high-torque ZF automatic, or commercial fleet manual, repairs are completed through our specialist transmission engineering partner facility equipped with dedicated diagnostic tooling and calibration rigs.

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Gearbox Repair

Targeted component diagnosis and repair for manual, automatic, and dual-clutch transmissions across all vehicle makes.

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DSG Dual-Clutch Repair

Direct-Shift Gearbox rebuilds for VW, Audi, Seat, Skoda (DQ200, DQ250, DQ381, DQ500, DL501). Solenoid, clutch, and hydraulic repairs.

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Automatic Gearbox Repair

Full overhauls for ZF 6HP/8HP/9HP, Mercedes 7G/9G-Tronic, Aisin, and GM automatics. Torque converter and valve body overhauls.

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Manual & Commercial Repair

5-speed and 6-speed manual overhauls for passenger cars and trade vans. Bearing renewals, synchromesh fixes, and shaft rebuilding.

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Gearbox Reconditioning

Complete remanufacturing of heavily worn units, rebuilt with OEM-grade bearings and seals to factory tolerances.

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Gearbox Replacement

Complete replacement transmission supply and installation when repair or rebuild is not economically viable.

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Mechatronic Unit Repair

Testing and repair of dual-clutch mechatronic control units, TCU circuit boards, pressure sensors, and solenoids.

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Torque Converter Repair

Rebuilding and replacement of automatic torque converters to eliminate shuddering, slipping, and cabin vibration.

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Valve Body Repair

Overhaul of hydraulic valve bodies, precision solenoid replacement, and hydro-channel re-sleeving for smooth shifting.

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Clutch & Flywheel Replacement

Diagnostic advice and replacement of worn clutches, dual-mass flywheels (DMF), and hydraulic slave cylinders.

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Gearbox Servicing & Fluid Renewal

Preventative transmission fluid flush, filter replacement, and pan cleaning using exact OEM-grade fluids.

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Ford Powershift Repair

Dedicated rebuilds for Ford 6DCT250 and 6DCT450 transmissions addressing clutch damper spring failure and shudder.

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CVT Transmission Repair

Specialised Continuously Variable Transmission repairs for Nissan, Audi Multitronic, Honda, and Toyota systems.

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4WD Transfer Box Repair

Overhauls for BMW xDrive transfer cases, Haldex pumps, and Land Rover / Audi Quattro center differentials.

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Gearbox Diagnostics

Specialist electronic scanning, live hydraulic pressure telemetry, and road test assessment to find root fault causes.

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Main Dealer vs Gearbox Giants

Franchised main dealerships typically quote for complete new crate transmission replacements with extended factory lead times. We precision-recondition your existing transmission with OEM components, offering up to 60% savings with full warranty coverage.

Vehicle Main Dealer Price (Crate)* Gearbox Giants Price Saving %
Audi, VW, SEAT & Škoda
£4,200 – £6,500
Avg. Dealer Cost: £5,350
From £1,680
Save Up To 60%
Save £2,520 – £4,820
BMW, Jaguar & Range Rover
£5,500 – £8,500
Avg. Dealer Cost: £7,000
From £2,200
Save Up To 60%
Save £3,300 – £6,300
Mercedes-Benz
£4,800 – £7,200
Avg. Dealer Cost: £6,000
From £1,920
Save Up To 60%
Save £2,880 – £5,280
Ford Focus, Mondeo, Kuga & Fiesta
£3,800 – £5,600
Avg. Dealer Cost: £4,700
From £1,520
Save Up To 60%
Save £2,280 – £4,080
Nissan, Renault & Honda
£3,600 – £5,400
Avg. Dealer Cost: £4,500
From £1,440
Save Up To 60%
Save £2,160 – £3,960
Vans & Commercial Fleets
£3,200 – £4,800
Avg. Dealer Cost: £4,000
From £1,280
Save Up To 60%
Save £1,920 – £3,520
*Source: Researched UK main dealer replacement quotes (new crate unit, coding & labour). Gearbox Giants pricing reflects precision reconditioning (mechatronics, torque converters, valve bodies, clutch packs & synchros) with a 12-Month / 12,000-Mile warranty.

SIGNS YOUR GEARBOX NEEDS IMMEDIATE ATTENTION

If you experience any of these symptoms contact us as soon as possible, as continued driving can cause irreversible transmission damage.

Grinding or shaking when changing gears
Indicates synchromesh ring wear or clutch disengagement failure.
Delayed or slipping gear shifts
Engine revs flare up without acceleration or delayed automatic gear kickdown.
Unusual noises (whining, clunking, humming)
High pitched whine from bearings or heavy clunking during gear engagement.
Burning smell from transmission fluid
Fluid overheating due to friction breakdown, loss of lubrication, or clutch friction burn.
Leaking transmission fluid under the vehicle
Red/brown puddles on your driveway indicating cracked casing, axle seal or pan breach.
Dashboard warning light (Transmission / Engine)
TCM detects internal electronic solenoid or mechanical gear ratio fault.
Poor acceleration or lack of power
Gearbox enters limp mode or fails to deliver engine torque efficiently to drive wheels.
Gears not engaging or difficulty getting into gear
Complete lock-out of specific gears (e.g. Reverse or 1st gear) or selector fork jam.
Excessive transmission noise when in neutral
Worn input shaft bearings that rattle while idling in neutral and disappear when clutch depressed.
Jerking or surging during driving
Transmission shifts irregularly or jerks aggressively between lower gears.