NOTICE: Do not clean the dual mass flywheel with any kind of fluid. Use a dry cloth only or damage to the dual mass flywheel may occur.
NOTICE: Do not clean the gap between the primary and secondary mass. Only clean the bolt connection surface and the clutch surface or damage to the flywheel may occur.
ManualFord Focus Climate Control System - General Information and Diagnostics
Climate Control System Operation
WARNING: Take the following
precautions when repairing an air conditioning system containing R-134a:
Always wear safety goggles.
Avoid contact with liquid refrigerant R-134a. R-134a vaporizes at approximately
-25°C (-13°F) under atmospheric pressure ...