64 50 ... Leak-testing with leak tester device
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Avoid contact with refrigerant.
Carry out leak-testing with a leak tester device from the workshop equipment catalog following the device manufacturer's operating instructions.
If leaks not to be localized are already identified during evacuation, the A/C system must nevertheless be Filled . Then test for leaks with leak tester device.
NOTE:
Refrigerant is heavier than air.
Therefore always conduct the leak test below the lines and components to be tested.
Shield lines and components against strong blasts of air (wind, drawing off).
Tighten down loose lines, mark leaks.
Then draw off Draw Off A/C system and seal off or repair leakage points.
Then Refill A/C system and test for leaks.