What precautions should be taken, and How to replace a faulty thermostat on 2005 Volkswagen Passat?

Never drive without a thermostat it is also detrimental to emissions and fuel economy. Verify check coolant and gauge functionality, prior to diagnosing a faulty thermostat. Change it in case of slow engine warming or engine running hot without a hot upper radiator hose. Replacing the thermostat should be done following the right procedure and then checking the leaks.

Genuine 2005 Volkswagen Passat Thermostat

Engine Coolant Thermostat

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2005 Volkswagen Passat Thermostat Part Number: 044-121-113
$52.43 MSRP: $72.82
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Product Specifications
- Replaces: 056-121-113-D
- Item Weight: 0.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 044-121-113
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following 2005 Volkswagen Passat Submodels:
- CL, GL, GL TDI, GLS, GLS TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS

2005 Volkswagen Passat Thermostat Parts and Q&A

Q: What precautions should be taken, and How to replace a faulty thermostat on 2005 Volkswagen Passat?
A: Never drive without a thermostat it is also detrimental to emissions and fuel economy. Verify check coolant and gauge functionality, prior to diagnosing a faulty thermostat. Change it in case of slow engine warming or engine running hot without a hot upper radiator hose. Replacing the thermostat should be done following the right procedure and then checking the leaks.