Page 232 of 387
A CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to become loose
and even come
off. This could lead to an accident.
Be sure
to use the correct wheel nuts. If you have
to replace them, be sure to get new
GM original
equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with
a torque wrench to
60 lb-ft (80 N-m).
NOTICE:
Improperly tightened wheel nuts can lead to
brake pulsation and rotor damage.
To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper
torque specification.
Storing a
B
-
lat or Spare Tire and Tools
I
Storing a jack, a tire or other equipment in the
passenger compartment
of the vehicle could
cause injury. In
a sudden stop or collision, loose
equipment could strike someone. Store all these
in the proper place.
Store your vehicle’s flat tire or spare by mounting it on
the tailgate and cover.
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Page 344 of 387

I Long Trip/Highway Maintenance Schedule 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. -t
0 Inspect emission system hoses and replace
as necessary.,
An Emission Control Service. -f
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.
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 Replace the camshaft timing belt.
0 Replace spark plug wires (or every
60 months, whichever occurs first).
An Emission Control Service.
An Emission Control Service.
0 Drain, refill and bleed the brake system.
DATE ACTUAL MILEAGE SERVICED BY
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Page 355 of 387

Throttle Linkage Inspection
Inspect the throttle linkage for interference or binding,
and for damage or missing parts. Replace parts as
needed. Replace any cables that have high effort
or
excessive wear. Do not lubricate accelerator and cruise
control cables.
Rear Axle (All) and Front Axle
(Four-wheel Drive) Service
Check the gear lubricant level and add if needed. See
“Rear
Axle” and “Four-wheel Drive” in the Index.
A fluid loss may indicate a problem. Check the
system(s), and repair
the system(s) if needed. Refer
to “Scheduled Maintenance Services,” earlier in this
section, to determine when to change the lubricant.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses
for proper hook-up, binding, leaks, cracks,
chafing,
etc. Inspect disc brake pads for wear and rotors
for surface condition.
Also inspect drum brake linings
for wear and cracks. Inspect other brake
parts, including
drums, wheel cylinders, calipers, parking brake, etc.
Check parking brake adjustment.
You may need to have
your brakes inspected more often if your driving habits
or conditions result in frequent braking.
Clutch System Service
Check clutch pedal free travel and adjust as necessary.
See “Clutch Adjustment”
in the Index.
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