Early models
The valve block can be removed from the transmission
unit with the power unit
in
situ by removing the unit as
three individual sections.
It
is
necessary to clean thoroughly the area around the
transmission front cover before any dismantling
is
com-
menced. Absolute cleanliness is essential at all times and
especially so whilst servicing this unit.
Later
848-c.c. and 998-c.c. models
The valve block assembly cannot be removed from the
transmission unit with the power unit
in
situ but the lid
and valve chest can be removed for dismantling and
cleaning.
If
it is necessary to examine and/or
fit
new
seals to the valve block/servo unit interconnecting pipes
or
to remove the pipe chest, it
is
necessary to remove the
power unit from the car and remove the converter and
housing (see items
(25)
to
(32)
).
Fa
Section Fa.4
THE
AUTOMATIC TRANSMISSION
VALVE BLOCK
Fig. Fa.24
The gear
selecto~
rod and the governor valve linkage
•
•
•
Fig. Fa.25
The valve block assembly
Removing (early models)
(1) Remove the front grille.
(2)
Remove the filter assembly as detailed in Section
Aa.2.
(3)
Remove the engine oil
feed
pipe.
(4)
Drain the engine/transmission unit.
(5)
Remove the transmission front cover and valve
block bobbin.
(6)
Place the gear selector lever in the
'R'
position on
the quadrant.
(7)
Remove the bell-crank lever
c1evis
pin. Unscrew
and pull out the selector rod sufficiently to remove
the valve block.
(8)
Loosen the servo unit securing bolts.
(9)
Remove the valve block assembly as individual
components, i.e. the lid, valve chest, and finally (if
necessary) the pipe chest (Fig. Fa.25).
The valve block can only be removed as
an
assembly
with the power unit removed from the car.
•
Fa.24
1. Lid.
2.
Valve chest.
3. Pipe chest.
MINI.
Issue
2.
16495
mk1-performance-conversions.co.uk
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