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How to change coolant flange on VW PASSAT Saloon (32B) – replacement guide
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Important!
This replacement procedure can be used for:
VW PASSAT Saloon (32B) 1.8, VW PASSAT Saloon (32B) 1.6 … View more
The steps may slightly vary depending on the car design.
VW PASSAT Saloon (32B) 1.8, VW PASSAT Saloon (32B) 1.6 … 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 – Coolant Flange for PASSAT Saloon (32B) and other VW models
Coolant Flange
Alternative products

Torque wrench
Drive socket # 7
Drive socket # 10
Drive socket # 13
Ratchet wrench
Fluid container
Funnel
Fender cover
Replacement: сoolant flange – VW PASSAT Saloon (32B). Tip from AUTODOC:
- Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
- Check the coolant condition and replace it if necessary.
- Inspect the thermostat. Replace it if necessary.
- All work should be done with the engine stopped.
Replacement: сoolant flange – VW PASSAT Saloon (32B). Use the following procedure:
- 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.Replacement: сoolant flange – VW PASSAT Saloon (32B). Professionals recommend:Caution! Coolant may come out from the water pump channels and body.
- Step 7Drain the coolant from the engine.Replacement: сoolant flange – VW PASSAT Saloon (32B). Tip from AUTODOC: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: сoolant flange – VW PASSAT Saloon (32B). Do not use excessive force when removing the part as this may damage it.
- Step 10Remove the thermostat.Replacement: сoolant flange – VW PASSAT Saloon (32B). AUTODOC experts recommend:Do not apply excessive force when removing the part. Otherwise you may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
- Step 11Install the thermostat.AUTODOC recommends:Caution! Do not use excessive force during installation. This may damage the fasteners of the car. VW PASSAT Saloon (32B)
- Step 12Install a new 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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