GMC 1995 Suburban Owner's Manual page 447

Maintenance Schedule I
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Diesel Engines
(Continued)
0
Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt
a s
needed.
A??
Emission Control Service.
Inspect shields and underhood insulation for damage or looseness.
Adjust or replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.
Check the air intake system installation to assure that gaskets are
properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing
is properly seated, the cover fits tightly and the wing nuts are tight.
Tighten connections and fasteners or replace damaged parts as
necessary. This is a Noise Emission Control Service. Applicable only
to vehicles sold in the United States.
0
If your engine has a thermostatically controlled cooling fm, inspect all
hoses and ducts for proper hook-up (or every 12 months, whichever
occurs first). Be sure the valve works properly. This is a Noise
Emission Control Service. Applicable only to vehicles sold in the
United States.
17
Check the exhaust pressure regulator valve for proper operation;
correct any binding. Inspect hoses for cracks, chafing or decay. Replace
parts as needed.
An Emissio1? Cor~tt-01 Service.
0
Check rear/front axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
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DATE SERVICED BY: ACTUAL MILEAGE
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