Page 231 of 386
Downloaded from www.Manualslib.com manuals search engine 9. Tighten the wheel nuts
firmly in a crisscross
sequence as shown.
- a CAUTION:
NOTICE:
I'
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.
I
-- I-
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 Nom).
a CAUTION:
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.
I
5-30
Page 343 of 386

Downloaded from www.Manualslib.com manuals search engine Long TripMighway Maintenance Schedule 1
60,000 Miles (100 000 km) (Continued)
0 Inspect the valve lash and adjust if necessary.
0 Check engine idle speed and adjust it to underhood label specifications.
0 Adjust engine timing to underhood label specifications. Inspect \
the inside and
An Emission Control Service.
An Emission Control Service.
(See footnote?.)
outside of the distributor cap and rotor for cracks, carbon tracking and
corrosion. Clean or replace
as needed.
An Emission Control Service.
An Emission Control Service.
(See footnote?’.)
Inspect emission system hoses and replace as necessary.
0 Inspect propeller shafts and u-joints for looseness and damage \
(or every
15 months, whichever occurs first). Inspect more frequently if use\
d off-road
or for pulling a trailer. Tighten u-joint flange bolts if nece\
ssary.
damage
(or every 60 months, whichever occurs first).
An Emission Control Service. (See footnote?.)
An Emission Control Service. (See footnote “f)
An Emission Control Service.
0 Inspect the underhood wiring harness for loose connections, chaf\
ed wires and
0 Replace the camshaft timing belt.
0 Replace spark plug wires (or every 60 months, whichever occurs first).
0 Drain, refill and bleed the brake system.
7-40
Page 355 of 386

Downloaded from www.Manualslib.com manuals search engine Throttle System Inspection
Inspect the throttle system for interference or binding,
and for damaged
or missing parts. Replace parts as
needed. Replace any components 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.
7-52