Maintenance Schedule Ii-Gasoline Engines With Heavy Duty Emissions - GMC SIERRA 1995 Manual

Maintenance Schedule I
-
Gasoline Engines Heavy
Duty Emissions
(Continued)
L!
If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every 12 months, whichever
occurs first). Be sure the valve works properly. This is a Noise
Emission Control Service. Applicable only to vehicles sold in the
United States.
DATE SERVICED
BY:
ACTUAL MILEAGE
1 I
Maintenance Schedule II
-
Gasoline Engines With
Heavy Duty Emissions
The services shown i n
this
schedule up to 60.000 miles
(
100 000 kn1) should
be performed after 60.000
miles
(
I O 0 000 km)
at
the same intervals.
Footnotes
. I ,
.!.
- ~ * - ~ -
Drive axle service:
0
Locking Differential
-
Drain fluid and refill at first engine o i l change.
At subsequent oil changes. check fluid and add fluid as needed. If
driving in dusty areas or towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
0
Standard Differential
-
Check fluid level and add fluid
a s
needed
at
every engine oil change.
If
driving in
dusty
areas
or
towing
a
trailer,
drain fluid and refill every 15,000 miles ( 2 5 000 km).
0
More frequent lubrication may
be
required for heavy-duty or off-road
use.
0
3500 HD Models with applications requiring extreme overload/trailer
towing conditions and high speed (above 45 mph or 72
km/h)
conditions for extended periods
of
time must have
the
drive axle fluid
changed every 3.000 miles ( 5 000 km) or 3 months, whichever occurs
first, or rnust use 75W-140 synthetic tluid meeting G M specifications.
See "Recommended Fluids and Lubricants" i n this section.
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