Common Water Pump Problems For The Volkswagen Tiguan
If you have a VW Tiguan, chances are you’ll experience issues with the water pump at some point. Here’s a list of symptoms related to water pump failure on the Tiguan, as well as some diagnostic tips, repair info, recommended parts, and background information.
VW Tiguan Water Pump Failure Symptoms
- Low coolant tank
- Coolant leak
- Overheating engine
- Engine noise
- Check engine light
Water Pump Diagnosis and Repair Tips
Coolant leaking from the shaft seal is usually an early sign of water pump failure. The shaft seal can leak from age, overheating, or bearing failure. Water pump noise is caused by bearing wear or the impeller striking the housing after bearing failure. The following conditions can cause water pump failure, corrosion, or other cooling system damage:
- Using the wrong type of coolant
- An incorrect ratio of the coolant and water mixture
- Using tap water instead of distilled water in the coolant mixture
- Cooling system overheating
- Cooling system restrictions or cavitation
- Cooling system leaks
- Worn timing belt or tensioner
It’s best to address water pump problems (or other cooling system issues) at the first sign of leakage or noise. Proper cooling system maintenance goes a long way toward water pump longevity.
Recommended Replacement Water Pumps
Listed below are the recommended replacement water pumps available for VW Tiguan.
|2009 – 2017 Volkswagen Tiguan L4 2.0L 1984cc – w/ Water Pump Housing||180-2470AH|
|2017 – 2018 Volkswagen Tiguan Limited L4 2.0L 1984cc – w/ Water Pump Housing||180-2470AH|
|2009 – 2017 Volkswagen Tiguan L4 2.0L 1984cc – w/o Water Pump Housing||180-2470|
|2017 – 2018 Volkswagen Tiguan Limited L4 2.0L 1984cc – w/o Water Pump Housing||180-2470|
|2009 – 2017 Volkswagen Tiguan L4 2.0L 1984cc – Aux. Water Pump (Electric)||180-2460|
|2017 – 2018 Volkswagen Tiguan Limited L4 2.0L 1984cc – Aux. Water Pump (Electric)||180-2460|
Why Do VW Tiguans Have Water Pump Problems?
A common problem with VW Tiguan water pumps is gasket failure. The plastic pump housing degrades over time, weakening the gasket seal. Engine oil leaks can also swell the water pump gasket, causing it to leak. Other problems include coolant leaking from the shaft seal or a thermostat failure. Thermostat issues can cause overheating or the check engine light to illuminate.
Water pump bearing failures and related noises can occur with age and high mileage. Water pump life can also be affected by other cooling system problems or issues with the timing belt. Always perform scheduled maintenance on the cooling system to ensure long water pump life. Inspect the timing belt at recommended internals. Replace the water pump whenever the timing belt is replaced.
Learn more about water pumps with our comprehensive guide.
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