Map Controlled Engine Cooling Thermostat F265 , checking
Special tools, testers and auxiliary items required
- Connector test set V.A.G 1594C
- Remove Map Controlled Engine Cooling Thermostat F265 → Map Controlled Engine Cooling Thermostat F265 , removing and installing .
NOTE:
- How to drain coolant → Cooling system, draining and filling .
- Always replace gaskets and seals.
- How to fill coolant → Cooling system, draining and filling .
- Check thermostat when cold: Large valve plat must seal all around against connection flange.
If this is not the case:
- Replace Map Controlled Engine Cooling Thermostat F265.
Fig 3: Connecting Contacts On Map Controlled Engine Cooling Thermostat F265 To Battery With Adapter Leads From Connector Set V.A.G 1594C
- Connect contacts on Map Controlled Engine Cooling Thermostat F265 to battery with adapter leads from Connector Set V.A.G 1594C. Carefully insert it perpendicular to flange in a pot with hot coolant (mixture ratio: 50% G12+) using pliers.
CAUTION:
Metal parts of thermostat must not be touched because they get hot. Risk of burning!
The heating element also warms the wax in thermostat.
- Observe whether minimum range of 7 mm - arrows - is reached after 10 minutes.
If range of 7 mm is reached:
- Disconnect voltage supply to battery.
NOTE:
- This test should not be performed in air. Damage to the expanding material element cannot be prevented!
If minimum range is not achieved:
- Replace Map Controlled Engine Cooling Thermostat F265.