1993 GMC SIERRA maintenance

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
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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
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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
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Scheduled Maintenance Services
GASOLINE ENGINES WITH HEAVY DUTY EMISSIONS-
7-1 2
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MAINTENANCE SCHEDULE Ilt
If your driving conditions do NOT meet those specified in “Scheduled
Maintenance Services” in this section, use Maintenance Schedul\
e
II h),
54 57 60
90 95 100
.e
e e
e
e
e
e
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.
TO335
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6.2L AND 6.5L DIESEL ENGINES-
-0OTNOTES:
rt Change filter every 15,000 miles (24 000 km), except when operating in dusty
conditions. Dusty conditions may require more frequent filter re\
placement. Extreme
dust and dirt operating conditions (off-road), may require the air filter
to be
checked as often as every 300 miles (483 km) and replaced as necessary.
* An Emission Control Service
** See “Explanation of Scheduled Maintenance Services” in this section.
1 Applicable only to trucks sold in the United States.
A Also, a Noise Control Service (applicable to vehicles with engine VIN Code J).
t This maintenance schedule applies to all diesel engines available. TO330
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