Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 452

87
Air Conditioner 928
Removing and In-
stalling Solenoid
Valve
Note:
The solenoid valve is located
beneath the passenger seat.
l.Remove passenger seat. If seat is
electrically adjustable, move
seat to highest position to
facilitate removal.
2.Remove carpet.
3.Disconnect plug-in connector.
4.Unscrew threaded couplers.
Note:
Use a suitable wrench to counter
when unscrewing or tightening
threaded couplers.
Renew O-rings.
Checking Control
Unit
Note:
The control unit is located to the
right of the blower.
l.Remove covers, see section headed
Removing and Installing
Evaporator.
2.Disconnect plug.
Note:
The terminal designations on plug
receptacle and control unit are not
identical. The inspection described
below refers to the designations on
the control unit. Check receptacle
after unplugging.
3.Connect voltmeter to plus and
terminal 1.
Reading: Battery voltage
0
87 - 124 Auxiliary Air Conditioner
Printed in Germany