1993 GMC SIERRA Owners Manual

VIN Code
Z
H
K
C
J
F
N
~~~
Engine Description
with 8500 GVWR and below 7~ ! .-
with 8501 GWVR and' above
4.3L V6/TBI
5.0L V8/TBI
5.7L V8/TBI
with 8500 GVWR and belowk=
*&$
with 8501 GVWR and abov-sd
6.2L V8IDiesel
L.
6.2L V8/Diesel >c<
6.5L V8/Diesel g$ c
7.4L V8/TBI I
Except 454 SS Model 'g
with 454 SS Model ;
J= tb-
-1
L..
HD LD
LD
HD
LD
HD
HD
HD LD
TO268
NOTE: TBI Is a throttle body injection system.
Selecting the Proper Maintenance Schedule
Here ,is how to tell which schedule to follow once you find the proper
maintenance chart to use.
MAINTENANCE SCHEDULE I
Is any one of these true for your vehicle?
Most trips are less than 4 miles (6 kilometers).
Most trips are less than 1.0 miles (16 kilometers), and the outside
temperatures are below freezing.
The engine is at low speed most of the time (as in door-to-door delivery,
You operate in dusty areas or off-road frequently.
You tow a trailer
stop-and-go traffic,
or commercial use).
n;r- .I '.
---. - .
-. . r- IA m. : .. 1: . >.' +--,-P~l*~ -L.
If any one (or more) of these is true for your driving, follow Schedule 1.
Schedule I is shown by a plus sign (t) on the chart. &
MAINTENANCE SCHEDULE II
Follow Schedule II ONLY if none of the above conditions are true. Schedule- -
II is shown by a dot (.) on the chart. I
-
L .. -
7-5
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Scheduled Maintenance Services
GASOLINE ENGINES WITH LIGHT DUTY EMISSIONS-
*An Emission Control Service
tTo determine the emissions classification of your engine refer to “Selecting the
**See “Explanation
of Scheduled Maintenance Services” in this section.
Proper Maintenance Chart” in this section.
7-6
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MAINTENANCE SCHEDULE It
7-7
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Scheduled Maintenance Services
GASOLINE ENGINES WITH LIGHT DUTY EMISSIONS-
FOOTNOTES:
**See “Explanation of Scheduled Maintenance Services’’ in this section.
*An
Emission Control Service
tTo determine the emissions classification of your engine refer to “Selecting the
Proper Maintenance
Chart” in this section.
TO332
7-8
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MAINTENANCE SCHEDULE Ilt
7-9
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Scheduled Maintenance Services
GASOLINE ENGINES WITH HEAVY DUTY EMISSIONS-
I If your driving conditions meet those specified in “Scheduled Maintenance
FOOTNOTES:
‘ An Emission Control Service
‘*See “Explanation
of Scheduled Maintenance Services” in this section.
A Also a Noise Emission Control Service
I Applicable only to vehicles sold in the United States
t To determine the emissions classification of your engine refer to “Selecting the
Proper Maintenance Chart” in this section. TO339
7-1 0
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MAINTENANCE SCHEDULE It
If your driving conditions do NOT meet those specified in “Scheduled
Maintenance Services” in this section, use Maintenance Schedule
II (4.
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km)
ARE TO BE DONE AFTER 60,000 MILES AT THE SAME INTERVALS.
TO340
7-1 1
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Scheduled Maintenance Services
GASOLINE ENGINES WITH HEAVY DUTY EMISSIONS-
7-1 2
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