Porsche 928 Workshop Manual page 797

a
928
Auromatic Transmission / Gears. Valve Body
38
Work sequence
1. Connect gauge with 0 - 25 bar (0 - 350 psi)
range to main pressure gauge connection a.
2. Connect gauge with 0 - 10 bar (0 - 140 psi)
range to governor pressure gauge connecrion 1.
Note
Before any other pressures are checked, modulator
pressure must be measured at full throttle in "D"
range ar 88 km/h (55 mph) with vacuum line
connected (see page 38 - 9). Adjust if necessary.
Correct modulator pressure automarically affects
main pressure.
3. Connecr gauge with 0 - 10 bar (0 - 140 psi)
range IO modulator pressure gauge connecrion
c.
Note
Pressure gauge set is set up in footwell of front
passenger seat. Hoses are routed through window
of right door.
Hose adapters installed
a
Printed in Germany - II, 1979
Checking Transmission Operation
38 -
1