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Checking the pressure relief valve in the locking cap > < Check conditions

Leon Mk2

Checking process
Checking process
  Caution
Steam can be released when removing the cap from the expansion tank. The cap should be covered with a cloth and opened carefully
–  Open cap on coolant expansion tank.
–  Fit tester -SAT 1274- with adaptor -V.A.G 1274/8- in expansion tank .
–  With the tester hand pump, a pressure of 1 bar should be created.
–  If the pressure is low the leak will have to be detected in the installation and the fault eliminated.
   

Checking the pressure relief valve in the locking cap > < Check conditions