2002 GMC SIERRA Owner's Manual

Page 369 of 394

GMC SIERRA 2002  Owners Manual Scheduled Maintenance
7-15
If you havent used your vehicle under severe service conditions listed
previously and, therefore, havent changed your automatic transmission fluid,
change both the fluid

Page 370 of 394

GMC SIERRA 2002  Owners Manual 7-16
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission cont

Page 371 of 394

GMC SIERRA 2002  Owners Manual 7-17 At Least Twice a Year
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other

Page 372 of 394

GMC SIERRA 2002  Owners Manual 7-18
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weathe

Page 373 of 394

GMC SIERRA 2002  Owners Manual 7-19
Starter Switch Check
CAUTION:
When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you

Page 374 of 394

GMC SIERRA 2002  Owners Manual 7-20
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
The key should turn to LOCK only when the shift

Page 375 of 394

GMC SIERRA 2002  Owners Manual 7-21
Part C: Periodic Maintenance
Inspections
Listed in this part are inspections and services which
should be performed at least twice a year (for instance,
each spring and fall). You should let your

Page 376 of 394

GMC SIERRA 2002  Owners Manual 7-22 Fuel System Inspection
Inspect the complete fuel system for damage or leaks.
Engine Cooling System Inspection
Inspect the hoses and have them replaced if they are
cracked, swollen or deteriorated