GMC C-Series 2001, Руководство пользователя

Страница: 301 / 324

7-23
(28) = Replace spark plugs. Inspect wires for damage.
Check the wire boot and boot heat shield fit at spark
plugs and coil. Replace parts as needed.
(30) = Check the fuel tank, fuel cap and fuel lines for
damage which could cause leakage. Inspect fuel cap and
gasket for any damage. Check fuel cap gasket for even
filler neck imprint. Replace parts as needed.
(31) = Check EGR system as described in the service
manual. See “Service and Owner Publications” in
the Index.
(32) = Inspect Electronic Vacuum Regulator Valve
(EVRV) filter for excessive contamination or plugging.
If needed, clean filter with solution of soap and water,
let dry and install.
(35) = Drain, flush and refill cooling system. See
“Recommended Fluids and Lubricants” in the Index for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap and neck. Pressure test cooling system and
pressure cap. For Caterpillar
R
diesel engines, always
refer to the Caterpillar Diesel Engine Operation &
Maintenance Manual for coolant recommendations and
change intervals.
(37) = Rear axle service: Change the lubricant. See
“Recommended Fluids and Lubricants” in the Index.
(38) = Front axle service: Re
-
pack upper kingpin
roller bearing.
(39) = Air brake service:
D Inspect brake lines and hoses for proper hook
-
up,
binding, leaks, cracks, chafing, etc. Inspect drum
brake linings for wear or cracks. Inspect other
brake parts at each wheel, including drums, wheel
cylinders and piston heat shields and boots.
Check brake pedal for excessive free play or travel
(or every 6 months, whichever occurs first) and
have serviced if needed. Check brakes more often
if driving habits and conditions result in
frequent braking.
D Test air lines for leaks; tighten as needed. Replace
compressor filter.
D Inspect air parking brake chamber for leaks
and damage. Inspect lines and hoses for leaks,
cracks, chafing, etc. Also check all attachments
for tightness, wear or damage. Note: The spring
brake section of the rear brake diaphragms
are non
-
serviceable.
D Replace the air compressor filter element, mounted
on the air compressor. For remote air compressor
intake service, refer to air cleaner filter replacement.