MQB Water Pump / Thermostat Leak
ModerateCooling SystemLike the Golf and Passat, the plastic thermostat housing warps from heat cycles, leading to a slow coolant leak. Can leave you stranded if ignored.
Most affected: 1.5 TSI, 2.0 TSI
Typical symptoms
- •Low coolant warning
- •Sweet smell of coolant
- •Pink crusty residue under the intake manifold
What to inspect before you buy
- ✓Check the coolant reservoir level
- ✓Look for staining on the front of the engine block