Porsche 928 Workshop Manual page 448

928
Fuel System
25
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b) Pull off fuel pump relay
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cl Bridge plug connections 30 and 87 with a piece
of wire. Fuel pump or fuel pumps should now
3. Bleed pressure tester. Let pressure gauge hang
down. Move lever for switching-over valve
between valve opened and valve closed positions
in 10 second intervals.
a
Printed in Germany - VII, 1983
Connecting and Bleeding Pressure Tester VW 1318
25.12e