MQB Water Pump / Thermostat Leak
ModerateCooling SystemThe thermoplastic composite housing warps or cracks from heat cycles. Oil leaks from the upper timing cover can also degrade the seals, leading to failure.
Estimated cost: £400–£750Affects: 2013–2020Often appears around: 30,000–70,000 miles
Typical symptoms
- •Low coolant warning
- •Sweet smell of coolant
- •Pink crusty residue near front of engine
What to inspect before you buy
- ✓Check level when cold
- ✓Inspect for "pink staining" on the plastic undertray
- ✓Consider an aluminum aftermarket housing (GRAF/INA) for the replacement