Triumph TR6 PI Operation Manual page 290

1. Check that the oil level in the gearbox is correct.
2. Remove the plug adjacent to the solenoid and fit a
hydraulic pressure gauge (special tool U88) together
with adaptor (Ll88-2).
3. Jack the car up and run the transmission at
approximately 25 m.p.h. (40
km/h).
4. In direct drive the residual pressure should register on
the gauge to approximately 20 Ibf/in
2
(I -4 kgfl cm
2
).
5. Engage the overdrive; a pressure of 430 to 460 Ibf/in
2
(30'10 to 32'20
kgf/cm
2
)
should be recorded.
6. Disengage the overdrive and the gauge should return
to show the residual pressure.
OVERDRIVE ASSEMBLY
- Hydraulic pressure test 40.20.01
2
OVERDRlVE-J TYPE
~
~
Triumph TR6 Manual.
~art
No_ 545277 Issue I
o.!:EY~"'~,.
40.20.011