Porsche 928 Workshop Manual page 796

38
Automatic Transmission / Gears, Valve Body
928
a
E - Pressure
Test
This tar will locate defects in ATF circuir
(internal leakage, wear. sticking conrrol
valves. dirt in ATF system).
a = main pressure
b = governor pressure
c = modulator pressure
69
PI
i' 1
.x.
:7
i
I
A
..p i
'I?
c
Y
-f 1, "
ki'
-.
* I
Gauge and coupling from VW 1318 plus brackei
and pars from US 8030.
Note
After removing gauges. install plugs with new
seals.
Hose adapters for pressure gauges (from US 8030)
Third gauge setup with US 1090
a
a
38 - 6
Checking Transmission Operarion
Printed in Germany