Chevrolet B7 2001 Owner's Manual page 189

Medium duty b7 chassis
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(16) = Check spring
to
axle U
for proper torque. See the service manual for torque
sequence and specifications. When parts are replaced,
the torque must be checked and adjusted more often
during the first 6,000 miles (10 000 km). Check torque
at 500 miles (800 km) and 2,000 miles (3 000 km) after
first use of parts.
(17) = Check complete exhaust system and cab areas
near the exhaust system for broken, damaged, missing
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-
or out
of
position parts. Also inspect for open seams,
holes, loose connections or other conditions which could
let exhaust fumes seep into the driver compartment.
Needed repairs should be made at once. To help
maintain system integrity, replace exhaust pipes
whenever a new muffler is put on.
(18) = Check all engine drive belts for cracks, fraying
and wear. Replace as needed.
(20) = With the engine off and below normal operating
temperature, check to see that the thermostatically
controlled engine cooling fan can be rotated by hand
-
on viscous
operated drives. Replace as needed.
(21) = Check shields and underhood insulation for
damage or looseness. Adjust or replace as needed.
(22) = Lubricate caliper housing, caliper support spring
and caliper support key.
-
bolts and shackle bolts
(23) = Wheel bearing service:
D
--
Grease type
Clean, inspect and lubricate with the
proper wheel bearing grease at designated intervals
or when hubs are removed. See "Recommended
Fluids and Lubricants" in the Index.
D
-
--
Oil
filled type
Some wheel bearings are lubricated
by rear axle lubricant. When you have oil
hubs, use lubricant identical to that used in your
rear axle. Lubricant change intervals are the same
for front and rear axles. However, you must maintain
oil level at the OIL LEVEL mark between change
intervals. See "Recommended Fluids and
Lubricants" in the Index.
(24) = Check the air intake system installation
to see that gaskets are seated properly and all hose
connections, fasteners and other components are tight.
For gasoline engines, also check to be sure the air
cleaner housing is properly seated, that the cover
fits tightly and that the wing nut is tight. Tighten
connections and fasteners or replace parts as required.
(26) = Evaporative Control System Service
(if equipped): Check all fuel and vapor lines and
hoses for proper connections and any damage
(or every 24 months, whichever occurs first).
Replace parts as needed.
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filled
5-21

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