CameronW1996
Active Member
Hello,
How can i test my 300 tdi thermostat to see if it is working?
How can i test my 300 tdi thermostat to see if it is working?
Hello,
How can i test my 300 tdi thermostat to see if it is working?
For the cost just change it as you are taking the housing apart anyway - will remove any niggling doubt about serviceability if you test old one, put it back in and still have same problems!