Common Problems with the
2015–2023 Ford Galaxy Mk3

We've identified 5 known issues that can affect the 2015–2023 Ford Galaxy Mk3. 2 of these are serious faults that could be expensive to repair.

5
Known Issues
2
Serious
3
Moderate
0
Minor

All Known Issues

Dual Mass Flywheel (DMF) Wear

SeriousGearbox & Transmission

Like the S-Max, the Galaxy heavy body accelerates DMF wear especially on cars used for family hauling or towing. Symptoms include rattling at idle that stops when the clutch is pressed, vibration through the pedals and judder on pull-away.

Most affected: All manual models

Estimated cost: £800-£1,500Affects: 20152023Often appears around: 70,000-120,000 miles

Typical symptoms

  • Metallic rattle at idle with clutch up
  • Vibration through pedals
  • Judder pulling away from standstill

What to inspect before you buy

  • Listen for DMF rattle on cold start
  • Check for clutch slip under load in higher gears

Electric Power Steering (EPAS) Rack Failure

SeriousSteering

The Galaxy Mk3 and S-Max share a known EPAS rack issue where the piston inside the rack can disintegrate losing internal pressure. This clogs the reservoir filter and can starve the pump of fluid. Replacing the pump without replacing the rack will cause the new pump to fail again.

Most affected: All models

Estimated cost: £600-£1,300Affects: 20152023

Typical symptoms

  • Loss of assistance on one or both sides
  • Heavy or inconsistent steering
  • Whining from power steering pump

What to inspect before you buy

  • Test steering lock-to-lock at walking pace
  • Check power steering fluid colour (should be clear red/pink)
  • Listen for pump noise

AdBlue / NOX System Faults

ModerateExhaust & Emissions

The AdBlue injector or NOX sensors on the Euro 6 EcoBlue diesels frequently fail, putting the car into a countdown mode where it will refuse to start once the miles reach zero.

Most affected: 2.0 TDCi, 2.0 EcoBlue

Estimated cost: £300–£1,000Affects: 20152023

Typical symptoms

  • "Engine will not restart in X miles" message
  • Engine management light

What to inspect before you buy

  • Check for recent AdBlue or NOX sensor replacements in the history

DPF Clogging on Urban Models

ModerateExhaust & Emissions

The Galaxy is a heavy car often used for school runs and short trips. The DPF clogs faster in these conditions and regeneration fails if the car cannot reach motorway speeds for long enough.

Most affected: 2.0 EcoBlue

Estimated cost: £250-£1,500Affects: 20152023Often appears around: 50,000+ miles with short-trip use

Typical symptoms

  • DPF warning light
  • Limp mode under load
  • Frequent regeneration fan noise after shutdown

What to inspect before you buy

  • Check MOT history for DPF advisories
  • Scan for soot-load percentage
  • Ask about usual driving pattern

Coolant and Heating System Leaks

ModerateCooling System

The Galaxy long coolant pipes running to the rear climate control can leak or block. The front thermostat housing and expansion tank are also common leak points. Rear passengers may notice weak or no heat if the rear pipes are blocked.

Most affected: All models

Estimated cost: £100-£600Affects: 20152023

Typical symptoms

  • Low coolant warning
  • Rear passengers get no heat
  • Sweet smell from engine bay
  • Pink staining around hoses

What to inspect before you buy

  • Check coolant level and look for staining
  • Test rear climate control heat output
  • Inspect expansion tank and thermostat area

Buying Tips for the 2015 Ford Galaxy Mk3

  • Check the rear climate control and vents, as the long pipes to the rear can leak or block
  • Look at the front suspension; the Galaxy is very heavy and wears through front wishbone bushes quickly
  • Verify the health of the AdBlue system on 2.0 EcoBlue diesels, as faulty sensors can trigger a non-start countdown

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