Long Trip/Highway Maintenance Schedule - GMC 1996 Sonoma Owner's Manual

Long Trip/Highway Maintenance Schedule
The services shown in this schedule up to 100,000 miles
(166 000 km) should be performed after 100,000 miles
(166 000 km) at the same intervals.
Footnotes
The U S . Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to the
completion of
the
vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the maintenance
be recorded.
**
0
0
0
Drive axle service:
Locking Differential -- Drain fluid and refill at first
engine oil change. At subsequent oil changes, check
fluid level 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).
Standard Differential
--
Check fluid level and add
fluid as needed at every engine oil change. If driving
in dusty areas or towing a trailer, drain fluid and
refill every 15,000 miles (25 000 km).
More frequent lubrication may be required for
heavy-duty or off-road use.
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