Maintenance Schedule I
30,000 Miles (50 000 km) (Continued)
0 Clean and repack the front wheel bearings
(or at each brake relining, whichever occurs
first).
r] Replace spark plugs. An Emission Control
Replace air cleaner filter. Replace filter
more often under dusty conditions.
Service.
An Emission
Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace
parts as needed.
An Emission Control Service. -f-
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information.
Change manual transmission fluid (or every
15 months, whichever occurs first).
0 Inspect the valve lash and adjust if
necessary. An Emission Control Service.
0 Replace fuel filter (or every 30 months,
whichever occurs first, or
sooner if filter is
clogged).
An Emission Control Service.
underhood label specifications. An Emission
Control Service.
-f-
0 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair or replace as
necessary.
0 Check engine idle speed and adjust it to
ProCarManuals.com
Maintenance Schedule I
60,000 Miles (100 000 km) (Continued)
test the cooling system and pressure cap.
An Emission Control Service.
0 Replace spark plugs. An Emission Control
Replace spark plug wires (or every
60 months, whichever occurs first).
0 Replace fuel filter (or every 30 months,
Service.
An Emission Control Service.
whichever occurs first, or sooner if filter is
clogged). An Emission Control Service.
0 Inspect the underhood wiring harness for
loose connections, chafed wires and
damage
(or every 60 months, whichever
occurs first).
An Emission Control Service.
0 Drain, refill and bleed the brake system.
0 Replace air cleaner filter. Replace filter
more often under dusty conditions.
An Emission Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket
for any
damage. Replace parts as needed.
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern
and additional information.
Change manual transmission fluid (or
every
15 months, whichever occurs first).
0 Inspect the valve lash and adjust if
necessary.
An Emission Control Service.
0 Check engine idle speed and adjust it to
underhood label specifications.
An Emission Control Service.?
An Emission Control Service. 3-
0 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair or replace as
necessary.
7-22
ProCarManuals.com
I Maintenance Schedule I 1
0 Drain, flush and refill cooling system (or
every
30 months, whichever occurs first).
See “Engine Coolant” in the Index for what
to use. Inspect hoses. Clean radiator,
condenser, pressure cap and neck. Pressure
test the cooling system and pressure cap.
An Emission Control Service.
0 Replace spark plugs. An Emission Control
0 Replace air cleaner filter. Replace filter
Service.
more often under dusty conditions.
An Emission Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service.
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
0 Change manual transmission fluid (or every
15 months, whichever occurs first).
0 Inspect the valve lash and adjust if
necessary.
An Emission Control Service.
0 Replace fuel filter (or every 30 months,
whichever occurs first, or sooner if filter is
clogged).
An Emission Control Service.
underhood label specifications. An Emission
Control Service.
0 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair or replace as
necessary.
0 Check engine idle speed and adjust it to
(Continued)
ProCarManuals.com
30,000 Miles (50 000 km) (Continued)
0 Drain, flush and refill cooling system (or
every
30 months, whichever occurs first).
See “Engine Coolant”
in the Index for what
to use. Inspect hoses. Clean radiator,
condenser, pressure cap and neck. Pressure
test the cooling system and pressure cap.
An Emission Control Service.
Replace spark plugs. An Emission Control
0 Replace air cleaner filter. An Emission Control
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts
as needed.
Service.
Service.
An Elnission
Control Service.
0 Change manual transmission fluid (or every
30 months, whichever occurs first).
0 Replace fuel filter (or every 30 months,
whichever occurs first, or sooner if filter
is
clogged). An Emission Control Service.
0 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair or replace
if
necessary.
0 Inspect the valve lash and adjust if
necessary.
An Emission Control Service.
0 Check engine idle speed and adjust it to
underhood label specifications.
An Emission
Control Service.
ProCarManuals.com
I Maintenance Schedule I1 I
0 Replace spark plugs. An Emission Control Service.
0 Replace air cleaner filter. An Emission Control
0 Inspect fuel tank, cap and lines and any
hoses for damage. Replace fuel tank cap
gasket.
An Emission Control Service. T
0 Inspect emission system hoses and replace
as necessary.
An Emission Control Service.
0 Change manual transmission fluid (or every
30 months, whichever occurs first).
0 Replace fuel filter (or every 30 months,
whichever occurs first, or sooner
if filter is
0 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair
or replace as
necessary.
Service.
clogged). An Emission Control Service.
0 Inspect the valve lash and adjust if
necessary.
An Emission Control Service.
0 Check engine idle speed and adjust it to
underhood label specifications.
An Emission
Control Service. i.
Adjust engine timing to underhood label
specifications. Inspect the inside and
outside of the distributor cap and rotor for
cracks, carbon tracking and corrosion.
Clean or replace as needed.
An Emission
Control Service.
0 Inspect propeller shafts and u-joints for
looseness and damage (or every
15 months,
whichever occurs first). Inspect more
frequently if used off-road or for pulling
a
trailer. Tighten u-joint flange bolts if
necessary.
(Continued)
ProCarManuals.com
I Maintenance Schedule I1 I
0 Drain, flush and refill cooling system (or
every
24 months, whichever occurs first).
See “Engine Coolant” in the Index for what
to use. Inspect hoses. Clean radiator,
condenser, pressure cap and neck. Pressure
test the cooling system and pressure cap.
An Emission Control Service.
0 Replace spark plugs. An Emission Control
Replace air cleaner filter. An Emission Control
0 Inspect fuel tank, cap and lines and any
Service.
Service.
hoses for damage. Replace fuel tank cap
gasket.
An Emission Control Service.
0 Change manual transmission fluid (or every
30 months, whichever occurs first).
0 Replace fuel filter (or every 30 months,
whichever occurs first,
or sooner if filter is
clogged).
An Emission Control Service.
I7 Inspect the locking front hubs (if equipped)
for correct operation (or every
3 months,
whichever occurs first). Repair or replace if
necessary.
0 Inspect the valve lash and adjust if
necessary.
An Emission Control Service.
0 Check engine idle speed and adjust it to
underhood label specifications. An Emission
Control Service.
T
(Continued)
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USAGE
Manual
Transmission
Shift Linkage
Automatic
Transmission
Shift Linkage
Clutch Linkage
Pivot Points
Floor Shift
Linkage
Chassis
Lubrication
Rear Axle (All)
and Front Axle
(Four-wheel
Drive)
FLUIDLUBRICANT
Chassis lubricant (GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements
of
NLGI Grade 2, Category LB or
Engine oil.
GC-LB.
Lithium base grease.
Engine oil.
Chassis lubricant (GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements
of
NLGI Grade 2, Category LB or
~~~~
GC-LB.
SAE 75W-90 GL-5 Hypoid Gear
Lubricant.
USAGE
Windshield
Washer Solvent
Transfer Case (Four- Wheel
Drive)
Hood Latch
Assembly
a. Pivots and Spring
Anchor
b. Release Pawl
Hood and Door Hinges
Weatherstrip
Conditioning
FLUIDLUBRICANT
GM Optikleen@ Washer Solvent
(GM Part
No. 1051515) or
equivalent.
SAE 75W-90 GL-4 Gear
Lubricant.
a. Engine oil.
b. Chassis lubricant (GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements
of NLGI Grade 2, Category LB
or GC-LB.
Engine oil or Lubriplate Lubricant (GM Part No. 1050109).
Dielectric Silicone Grease-(GM
Part
No. 12345579 or equivalent).
See “Replacement Parts” in the Index for recommended
replacement filters, valves and spark plugs.
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