EXTERNAL SEAL REPLACEMENT
DIFFERENTIAL
SEAL
It is essential to use tool B.Vi. 80S in addition to B.Vi.
645 to remove or refit the nut when the seal is of the
2nd type in order not to damage the outer lip.
Whatever the type of seal, face A must be flush with
the inner face of nut B.
NOTE: The 3 lip seal can be fitted as a replacement
for the 2 lip seal.
B
\
i
J
1.'1
'~J
REFiniNG:
Refit the nut, equipped with a new, oiled O-ring,
screwing it in by the number of turns and aligning it
with the marks made during dismantling.
Refit the locking washer.
Reconnect the transmission shaft.
Fill the final drive housing.
NOTE: There are two types of differential nuts. The
O-ring groove is offset.
When replacing
a nut, use the same type
of
arrangement which was originally fitted.
When replacing the housing, a nut of the second
type must be used.
F8-2
1st Type
24.3
mm
2nd Type
23mm
1
j
; 1
I
\
"