spark plugs replace GMC SIERRA 1995 User Guide

I
Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
54,000 Miles (90 000 km)
0 Change engine oil and filter (or every I2 months. whichever occurs
first).
An Elnissiou Control San?ice.
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 10" 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 damaged.
Perform each ofthe listed lubrication service items at this mileage
interval (or every
12 months. whichever occurs first).
0 Check rear/front axle tluid level and add fluid as needed. Check
constant velocity joints and axle seals
for leaking.''c:l:
0 Replace spark plugs. AI? Emission Corltrol Service.
0 Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE
7-40
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