Porsche 928 Workshop Manual page 1248

39
Differential, Transaxle System 926
Execution / Notes
- Connect high-pressure measuring line (No. 2) to
pressure gauge (cf. arrow) and suspend pressure
gauge (No. 1) in rear left-hand wheel housing area
so that it may be read off easily.
Bleed pressure gauge by connecting the bleeding
device to the PSD reservoir. Clamp venting line.
Build up bleeding pressure (approx. 1.5 to 2.0 bar).
Connect System Tester 9288 along with adapter
line 9288/l to diagnosis socket (located next to the
passenger's seat under the booster cover).
Clock lock solenoid valve complete with System
Tester 9288 in "Drive links / Bleed position" menu
and allow brake fluid to escape at the bleeder valve
(No. 1 a) until it is free from air bubbles. (Use collec-
tor bottle).
Close bleeder valve and press stop button. Select
pressure reduction position.
Switch off bleeding device.
+
D39 - 208 PSD-Diagnosis / Troubleshooting
l
Printed in Germany - XXVII, 1991