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Checking Cooling System For Water Leaks (COOPER S)




Checking Cooling System For Water Leaks (COOPER S)
Special tools required:
^ 17 0 001
^ 17 0 008
^ 17 0 051
^ 17 0 052

Warning: Danger of scalding! Only perform this work after engine has cooled down.





Checking pressure drop in cooling system:

Remove pressure cap from expansion tank.

Attach special tool 17 0 051 to expansion tank. Attach special tool 17 0 001

Generate gauge pressure of 1.5 bar. Wait approximately 2 minutes.

Cooling system is impervious to leaks if pressure drop is max. 0.1 bar.





Checking pressure relief valve in cap:

Fit special tool adaptor 17 0 052 to pressure cap.

Remove rubber seal from special tool 17 0 001 and attach special tool 17 0 008 to pressure tester and pressure cap adaptor.

Pressurize cap.

Check cap relief pressure 0.89 - 1.20 bar (14 - 18 psi).