2003 GMC SIERRA Owner's Manual

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GMC SIERRA 2003  Owners Manual Maintenance Schedule......................................6-2
Introduction...................................................6-2
Your Vehicle and the Environment....................6-2
Maintenance Req

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GMC SIERRA 2003  Owners Manual Maintenance Schedule
Introduction
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties.

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GMC SIERRA 2003  Owners Manual How This Section is Organized
This maintenance schedule is divided intofive parts:
“Part A: Scheduled Maintenance Services”explains
what to have done and how often. Some of these
services can be

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GMC SIERRA 2003  Owners Manual Part A: Scheduled Maintenance
Services
This part contains engine oil and chassis lubrication
scheduled maintenance which explains the engine oil life
system and how it indicates when to change the
eng

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GMC SIERRA 2003  Owners Manual Scheduled Maintenance
The services shown in this schedule up to 100,000 miles
(166 000 km) should be repeated after 100,000 miles
(166 000 km) at the same intervals for the life of
this vehicle. The s

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GMC SIERRA 2003  Owners Manual If the system is ever reset accidentally, you must
change your oil at 3,000 miles (5 000 km) since your
last oil change. Remember to reset the oil life system
whenever the oil is changed. SeeEngine Oi

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GMC SIERRA 2003  Owners Manual ❑Check rear/front axlefluid level and addfluid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotatio

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GMC SIERRA 2003  Owners Manual 60,000 Miles (100 000 km)
❑Inspect engine air cleaner�lter change indicator.
If necessary, replace the�lter. If vehicle is driven
in dusty/dirty conditions, inspect�lter change
indicator at every en