on November 12, 2014, 9:29 pm, in reply to "AUDI A4 Cabrio 1.8T - how does thermostat operate"
So you are baffled by technology over 10 years old !!
Lots of training course's would cover this, as would some self study on the inter-net, tech club, tech topics etc
By the way self study is a big clue 
.
Kev.
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AUDI A4 Cabrio 1.8T 2003 - How does thermostat operate # - Sandhu Upjeet November 12, 2014, 6:13 pm
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