6 Locate the new contact breaker points on
the baseplate and secure with the retaining
screw, lightly tightened only at this stage. On
the Lucas distributor ensure that the
secondary movement cam is engaged with
the peg, and that both washers are refitted
with the retaining screw (see illustration
13.6b).
7 Reconnect the LT lead, then refer to
Section 13 and adjust the contact breaker
points gap.
1 With the car on level ground wipe the area
around the filler plug, then unscrew the plug
using a socket spanner, or on later versions a
suitable Torx or Allen key or socket bit, as
applicable. Access can be gained from above
or below the car (see illustrations).
2 Locate the aluminium build code tag, which
is secured to one of the transmission housing
upper bolts, and note the transmission part
number stamped on the tag. If the last letter of
the part number suffix is a D then the
transmission was manufactured prior to
August 1985. Transmissions manufactured
from August 1985 have an E as the last letter
of the part number suffix.
3 On the early type transmission (suffix letter
D) the oil level must be maintained between 5
and 10 mm (0.2 and 0.4 in) below the lower
edge of the filler plug hole.
4 If the transmission is of the later type (suffix
letter E) the oil level must be maintained
between 0 and 5 mm (0.2 in) below the lower
edge of the filler plug hole.
5 To simplify the checking procedure a
dipstick can be made from thin rod bent at
right angles and having marks on one “leg”
made with a file at 5 mm (0.2 in) intervals. Rest
the unmarked leg on the lower edge of the
filler plug hole with the marked leg immersed
in the oil. Remove the dipstick, read off the
level and top-up if necessary using the
specified grade of oil. Refit the filler plug on
completion.
6 Renewal of the transmission oil is not a
service requirement, but if draining is
necessary prior to a repair or overhaul task
place a suitable container beneath the
selector shaft locking mechanism cap nut
located just below the filler plug (see
illustration). Unscrew the cap nut, remove
the spring and interlock pin and allow the oil
to drain.
1 The automatic transmission fluid level must
be checked when the engine and
transmission are at normal operating
temperature; preferably after a short journey.
2 Park the car on level ground, then fully
apply the handbrake.
3 With the engine running at its normal idle
speed, apply the footbrake and simultaneously
move the selector lever through the full range
of positions three times then move it back to
the P position. Allow the engine to run at idle
for a further period of one minute.
4 With the engine still idling, extract the
transmission fluid level dipstick and wipe it
dry, with a clean non-fluffy cloth. Fully reinsert
the dipstick and then extract it again and
check the fluid level mark, which must be
between the “MAX” and “MIN” markings (see
illustration)
5 If topping-up is necessary, use only the
specified fluid type and pour it through the
dipstick tube, but take care not to overfill. The
level must not exceed the “MAX” mark.
27 Automatic transmission fluid
level check
26 Manual transmission oil level
check
1•18 Every 12 000 miles or 12 Months
26.6 Selector shaft locking mechanism
cap nut (arrowed)
26.1a Transmission oil filler plug (A) and selector shaft locking
mechanism cap (B)
26.1b Allen type transmission filler plug (arrowed) as fitted to
later models
27.4 Transmission fluid level dipstick
location and level markings
Caution: Take care when
unscrewing the cap nut as the
tension of the spring may cause
the pin to fly out as the cap nut
is released. Refit the pin, spring and cap
nut when draining is complete, but apply
sealer to the cap nut threads (see
Specifications). Note that from 1986
onwards the cap nut is shrouded by the
transmission support crossmember and
cannot be removed in situ. On these
models draining can only be carried out
after removal of the transmission from
the car.
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