Water pump / thermostatVolkswagen
Volkswagen EA888 Water Pump and Thermostat
Volkswagen EA888 cooling leaks are common enough that every used GTI, Golf R, Passat, or Tiguan buyer should check pump, thermostat, and coolant evidence.
Repair difficulty
Medium
Estimated cost
Medium, but higher if overheating or access-related labor is involved.
Affected models and engines
- Volkswagen Golf GTI, Golf R, Passat, Tiguan and other EA888 TSI applications
Symptoms
- Coolant warning
- Sweet smell
- Pink residue
- Slow warm-up or overheating
Why it fails
- Plastic pump and thermostat housings age under repeated heat cycles.
- Small leaks are often topped up before sale.
- Low coolant or overheating can create turbo and head-gasket risk.
Checks before buying
- Inspect the pump area after a hot test drive.
- Check coolant level before and after driving.
- Ask for pump and thermostat replacement invoices.
- Scan coolant temperature and cooling-system faults.
Fault codes to investigate
Fault codes guide diagnosis; they do not confirm a part without live data, inspection, service history, and repeat testing.
Related research
Continue your research
Move from brand context to exact model, powertrain, fault-code, and buying-checklist evidence.
Hulp bij aankoop
Vraag een risicoanalyse voor een occasion aan
Stuur ons model, bouwjaar, motor en kilometerstand. We helpen de belangrijkste risico's vóór aankoop te herkennen.
Bekende zwakke punten van motor en versnellingsbak.
Foutcodes en symptomen om te controleren.
Inspectievragen vóór de onderhandeling.
Dit is aankoopadvies, geen mechanische keuring op afstand of garantie. Controleer de auto altijd ter plaatse met diagnose en onderhoudshistorie.