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Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Climate Control (2001-2007) >> Design >> Air conditioning >> Hoses, pipes

Hoses, pipes

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All connections, apart from those for the expansion valve and condenser, have double O-rings as a seal. The connections for the expansion valve and condenser have single O-rings.

The O-rings are manufactured in a specially developed material (HNBR = hydrated nitrile rubber).