GMC 1995 Suburban Owner's Manual page 457

Maintenance Schedule II
-
Diesel Engines
I
0
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.
17
Check the air intake system installation to assure that gaskets are
properly sealed and that a11 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 fan, inspect all
hoses and ducts for proper hook-up
(or
every I2 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.
0
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
'i:'i:
DATE
SERVICED BY:
ACTUAL MILEAGE
r j
55,000 Miles (88 000 km)
Change engine o i l and filter (or every 3 months, whichever
OCCUPS
first). An Etnission C m t d Serlic-e.
Lubricate the front suspension, king pin bushings: steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides. rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature is IO" F
(-12" C), or higher. When weather is cold. let the ball joints and king
pin bushings warm up before lubrication or they could be datnaged.
Perform each of the listed lubrication service items at this mileage
interval (or every 12 months, whichever occurs first).
(Corztinuecl)
7-89