Buick LeSabre 1965 Service Manual page 17

1-6
MAINTENANCE
surrounding area before removing
filler plug. Level should be main-
tained at filler plug opening by
adding S.A.E. 90 Multi-Purpose
Gear Lubricant or S.A.E. 40 or
50 Engine Oil. NOTE: Draining
and flushing transmission are not
necessary unless the lubricant
has become contaminated.
3. Automatic T r a n s m i s s i o n .
Check transmission oil lever, with
transmission o i l at operating
temperature (180° approximate),
transmission in park and engine
idling.
Remove gauge rod located under
right side of hood, wipe dry with
clean cloth, then reinstall to full
depth. Remove rod and note oil
level.
If oil level is below the "ADD"
mark on gauge rod, add oil speci-
fied in paragraph 1-6 but do not
fill above the FULL mark. Dis-
tance between the FULL and ADD
marks represents approximately
one pint.
4. Power Steering Gear. Thor-
oughly clean dirt from reservoir
cap on top of oil pump, then re-
move cap. With system warmed
up, maintain l e v e l with Buick
power steering gear fluid or
equivalent. See Figure 1-9.
REMOVE
CAP TO
INSPECT
LEVEL
Figure 1-9—Power Steering
Gear Reservoir
5. Rear Axle
(a) Standard Differential R e a r
Axle. Check lubricant level after
allowing time for lube to settle.
Clean the surrounding area before
removing f i l l e r plug. L e v e l
should be maintained at filler plug
opening to 1/4" below by adding
S.A.E. 90 Multi-Purpose Gear
Lubricant (MIL-L-2105B). When
car is operated in temperatures
continuously below - 10°F., use
80 Multi-purpose Gear Lubricant.
NOTE: Draining and flushing is
not recommended, unless the lu-
bricant has become contaminated.
When complete refilling is neces-
sary, S.A.E. 80 or 90 Multi-Pur-
pose Gear Lubricant may be used
provided the a x l e has been in
service for 1,000 miles or moreT
Axles with less than 1,000 miles
must not be completely refilled
with any lubricant other than
Factory Hypoid Lubricant.
6. Positive Traction Rear Axle -
On Wildcats, Electra 225
;
s, and
Rivieras, this axle can be identi-
fied by a tag attached to the filler
plug reading "Use Limited Slip
Diff. Lube Only". On LeSabres,
this same tag can be found at-
tached to a bolt on the rear cover.
On all Positive Traction axles,
check lubrication level after al-
lowing time for lubricant to settle.
Clean the surrounding area before
removing filler plug. L e v e l
should be maintained at filler plug
opening to 1/4 below. Add only
lubricant conforming to Buick
Specification #723. Also see Par.
1-9.
g. Minor Lubrication
Occasionally lubricate the pivot
points of moving parts such as
door and hood hinges and latches,
door hold open, clutch, transmis-
sion, parking brake and folding
top linkage with Lubriplate, or
equivalent, or engine oil where
applicable. A small quantity of
NOTE STAMP ON
BOTTOM EDGE
DIFFERENTIAL
CARRIER FLANGE
Figure 1-10—Identifying Positive
Traction Differential
lock lubricant occasionally ap-
plied to lock cylinders will pre-
vent sticking. See details under
Maintenance - As Required.
NOTE: Do not lubricate carbu-
retor or throttle linkage.
h. Body Rubber Parts
Door, hood, and rear compart-
ment rubber weatherstrips and
bumpers, and door bottom drain
hole sealing strips may be kept
pliable and quiet by the applica-
tion of a light coat of Buick 4-X
Compound or suitable silicone
lubricant equivalent.
i. Tires
For best tire mileage switch tires
as recommended in paragraph 7-8
j . Constant Velocity
Universal Joint Center
Ball (49000)
Rotate propeller shaft until fitting
is visible through rear hole in
frame tunnel. See Figure 1-11.
Insert special grease gun nozzle
(Alemite #326375 or equivalent)
through frame tunnel to bear
solidly against fitting. One or two
shots from a lever type grease
gun are sufficient.
Lubricating the Constant Velocity
joint on certain hoists such as