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ITEM
NO. SERVICE
6
Wheel Bearin? InsDection
-
Inspect for wear and proper
adjustment. Relubricate the
bearings if grease is
contaminated.
7
Transmission (All) and
Transfer Case Differential
(Four-wheel Drive) Service
-
For the manual transmission and
transfer case differential, check
the fluid level every time the
oil is changed. See "Manual
Transmission Fluid" and
"Transfer Case" in the Index.
Inspect for damage and leaks
and change the fluid every
15,000 miles
(25 000 km)
or
15 months for Schedule
I
conditions
and
every 30,000
miles
(50
000 km) or
30
months
for Schedule
II
conditions.
For the automatic transmission,
check the fluid level every time
the oil is changed. See
"Automatic Transmission
Fluid" in the Index. Inspect for
damage and leaks and change
ITEM
NO. SERVICE
8
9
the fluid every 15,000 miles
(25 0o0
km) or
15
months for
Schedule
I
conditions and
100,000
miles (
166 000
km) for
Schedule
I1
conditions. Replace
the automatic transmission
cooler hoses every
45,000
miles
(75
000
km).
Propeller Shafts and U-Joints
Inspection
-
Inspect for
looseness and damage.
Do
this
every,.l5 months, or at 15,000
mile
(25 000
km) intervals, more
frequently if used off-road or for
pulling a trailer. Tighten U-joint
flange bolts if necessary.
Freewheeling Hubs InsDection
/If Equipped)
-
Inspect the
locking front hubs for correct
operation. Repair or replace if
necessary. (Both hubs must
operate correctly for the front
axle to power the front wheels.)
ITEM
NO. SERVICE
10
11
Spark Plug Replacement"
-
Replace spark plugs with the
proper type. See "Replacement
Pans" in the Index.
Spark Plup Wire Replacement"
-
Replace wires. Check the boot fit
at the distributor and
at
the spark
plugs. Operation in extreme cold
and/or on salted roads may require
more frequent replacement.
*
An Emission Control Service.
t
The
U.S.
Environmental Protection Agency
or the California Air Resources Board has
determined that the failure to perform this
maintenance item will not null@ the emission
warranty or limit recall liability prior to the
completion
o f
vehicle useful life. General
Motors, however, urges that all recommended
maintenance services be pegormed at the
indicated intervals and the maintenance be
recorded
in
"Section E: Maintenance
Record. ''
215
...
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