Porsche 924 Workshop Manual page 148

REMOVING AND INSTALLING TWO-WAY VALVE
Removing
Detach vacuum hoses and wire plugs. Unscrew
mounting screw. Remove two-way valve.
In sta lli ng
Connect vacuum hoses as follows:
Upper connection on two- way val ve to throttle
val ve housing (marked with a red ring).
Lower connection on two-way valve to diverter
valve (marked with a blue ring) .
Exhaust Sys t em
Pr inted in Germany- II, 19 77
Removing and installing two- way valve
26
26 - 6 a