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.1Ii.RENTIALS -
Standard and Safe -T -Track - Lubricant
change in the Standard or Safe-T -Track differentials is not recom-
mended unless repair work is being done. Each differential should be
checked for leaks at each chassis lubrication. If there is evidence of
leakage the leak should be corrected and lubricant added if
needed.
Rear axle capacity is 572 pints.
Use factory recommended multi-purpose lubricant (suitable for pas-
senger car duty) in each differential. This lubricant is available in 1
quart cans through your local authorized Pontiac dealer if for any
reason a refill is required.
I'
MANIFOLD HEAT
'
CONTROL VALVE-Check for freedom of
Itovement of manifold heat control valve; if sticking, lubricate bush-
.gs with graphite in alcohol.
e
t\. TTERY - The level of the electrolyte solution in your battery
should be kept up to but not over the bottom of the vent well. Check
this level at regular lubrication intervals (more frequently in ex-
tremely hot weather). Add DISTILLED WATER to bring the
solution level to bottom of vent well whenever necessary.
The specific gravity of the battery should be checked regularly. The
battery should be kept at or near a full charge at all times (1.240-
1.280 hydrometer reading)
.
This is especially important in cold
weather when the demands on the battery are
high.
A battery can
freeze in
extreme
cold if it is not in a fully charged condition.
CAUTION
:
Battery fumes are inflammable and toxic.
To prolong the life of the battery its exterior should be inspected for evi-
dence of corrosion, cleaned with soda solution or dilute ammonia water,
flushed with water and dried at each lubrication
period.
Care should be taken
that
none'
of the cleaning fluids enter the battery vent wel1s.
REAR
SPRINGS-No lubrication required.
HYDRA-MA TIC"TRANSMISSION - The Hydra-Matic fluid
level should be checked every 2,000 miles by the following procedure:
1.
Apply
parking brake tightly, move control lever to
"
P
"
position, and run engine equivalent to 20 mph for 1-1
/
2
minutes .
.
2. Reduce engine speed to slow idle. Remove oil level indicator,
wipe clean and reinsert.
3. Remove indicator again and note reading, if level is at lower
mark or below, add fluid to bring it to full mark.
DRAIN
AND REFILL HYDRA-MATIC EVERY 25,000 MILES
Fluid Recommendations-When adding or refilling, use only GM
Hydra-Matic Fluid (available at all authorized Pontiac
dealers),
or
Automatic Transmission Fluid identified by an AQ-ATF qualification
[
31
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