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How to change engine thermostat on AUDI A2 (8Z0) – replacement guide
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Recommended replacement interval for the part category Thermostat : 50000 km
Important!
This replacement procedure can be used for:
AUDI A2 (8Z0) 1.4 TDI, AUDI A2 (8Z0) 1.2 TDI, AUDI A2 (8Z0) 1.4 TDI … View more
The steps may slightly vary depending on the car design.
AUDI A2 (8Z0) 1.4 TDI, AUDI A2 (8Z0) 1.2 TDI, AUDI A2 (8Z0) 1.4 TDI … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Thermostat for A2 (8Z0) and other AUDI models
Thermostat
Alternative products

Torque wrench
Drive socket # 7
Drive socket # 10
Drive socket # 13
Ratchet wrench
Fluid container
Funnel
Fender cover
Replacement: engine thermostat – AUDI A2 (8Z0). Tip from AUTODOC:
- Check the condition of the coolant every time you replace the thermostat. Change the coolant if necessary.
- Please note: all work on the car – AUDI A2 (8Z0) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Unscrew the coolant reservoir cap.
- Step 4Prepare a container for fluids.
- Step 5Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
- Step 6Detach the coolant hose.
- Step 7Drain the coolant from the engine.Replacement: engine thermostat – AUDI A2 (8Z0). Tip:Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
- Step 8Unscrew the thermostat housing fasteners. Use a drive socket #13. Use a ratchet wrench.
- Step 9Remove the thermostat housing.AUTODOC recommends:Replacement: engine thermostat – AUDI A2 (8Z0). Do not use excessive force when removing the part as this may damage it.
- Step 10Remove the thermostat.AUTODOC recommends:Replacement: engine thermostat – AUDI A2 (8Z0). Do not use excessive force when removing the part as this may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
- Step 11Install a new thermostat.Replacement: engine thermostat – AUDI A2 (8Z0). Tip:When installing, do not use excessive force to avoid damage to the part.
- Step 12Install the thermostat housing.
- Step 13Tighten the thermostat housing fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 13 nm torque.
- Step 14Attach the coolant hose.
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