940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
High Pressure Safety Valve HVAC: Description and Operation
Compressor Relief Valve
NOTE: On cars equipped with DIESEL-KIKI compressor, the silencer is no longer stocked as a spare and has been replaced by a connection pipe
between the condenser and compressor pressure hose.
Relief Valve On Silencer
^ The valve should open if the system pressure becomes excessive and close when the pressure returns to normal.
^ If the valve opens, check that no system fault is present.
^ The type of relief valve installed depends on the type and model of car. The location may also differ.