Diagnosing and Fixing Overheating VW Mk1 Mk2/A1 A2

Diagnosing and fixing radiator fan and thermostat issues.

Fundamentals of coolant system video: coming soon!
Coolant flush video:    • VW Coolant Flush Mk1 Mk2 Mk3  
AC switch video:    • AC Switch Installation VW Mk1 Mk2  

Tools/Parts Required:
- Multimeter https://amzn.to/3jWA5aE
- Thermostwitch 1987 and older: 823959481F https://amzn.to/3RPgdaa
- Thermoswitch 1988 and newer 191959481C https://amzn.to/3LijX16

Torque specs:
- None :)

0:29 Normal gauge operation
1:23 What to do when your car is overheating
5:25 Diagnosing coolant fan operation (not turning on)
6:30 Diagnosing 1987 and older
7:47 Diagnosing 1988 and newer vehicle
9:07 Thermoswitch replacement

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