
Downloaded from www.Manualslib.com manuals search engine Capacities and Specifications
Engine Description ............... “Vortec” 4300
Type
.................................... V6
VINCode
................................. W
Firing Order ...................... 1-6-5-4-3-2
Horsepower
................... 190 at 4,400 rpm
Thermostat Specification
........... 195°F (91°C)
Spark Plug Gap
.......... 0.045 inches (0.1 14 cm)
Wheels and Tires
Wheel Nut Torque ............ 95 ib-ft (130 N-m)
Tire Pressure ...... See the Certificationmire label.
See “Loading Your Vehicle”
in the Index.
Normal Maintenance Replacement Parts
Replacement part numbers listed in this section are
based on the latest information available at the time of
printing, and are subject to change.
If a part listed in this
manual is not the same as the part used
in your vehicle
when
it was built, or if you have any questions, please
contact your GM truck dealer.
Thermostat
... ... ......... 12551472
Oil Filter..
............................. PF52
Air Cleaner Filter .................. A 1 163C
PCV Valve
.......................... CV746C
Automatic Transmission Filter Kit
...... 24200796
Spark Plugs
.......................... .41-932
Fuel Filter
............................. GF48 1
Front Windshield
Wiper Blade
........ Trico (20 inched50.8 cm)
Backglass Wiper Blade
... Trico (14 inched35.6 cm)
6-63

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
I Short TripKity Definition
Follow the Short TripKity Maintenance Schedule if any
one
of these conditions is true for your vehicle:
Most trips are less than 5 to 10 miles (8 to 16 km).
This
is particularly important when outside
temperatures are below freezing.
Most trips include extensive idling (such as frequent
driving
in stop-and-go traffic).
You operate your vehicle in dusty areas or
off-road frequently.
You frequently tow a trailer or use a carrier on top of
If the vehicle is used for delivery service, police, taxi
your vehicle.
or other
commercial application.
One of the reasons you should follow this schedule if
you operate your vehicle under any of these conditions
is that these conditions cause engine
oil to break
down
soonex
Short Trip/City Intervals
Every 3,000 Miles (5 000 km): Engine Oil and Filter
Change (or
3 months, whichever occurs first). Chassis
Lubrication (or
3 months, whichever occurs first). Drive
Axle Service (or
3 months, whichever occurs first).
At 6,000 Miles (10 000 km) -- Then Every
12,000 Miles
(20 000 km): Tire Rotation.
Every 15,000 Miles (25 000 km): Air Cleaner Filter
Inspection, if driving in dusty conditions. Front
Wheel Bearing Repack (2WD only) (or at each brake
relining, whichever occurs first).
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Fuel Filter Replacement.
Every 50,000 Miles (83 000 km): Automatic
Transmission Service (severe conditions
only).
Every 60,000 Miles (100 000 km): Engine
Accessory Drive Belt Inspection.
Fuel Tank, Cap
and Lines Inspection.
Every 100,000 Miles (166 000 km): Cooling System
Service (or every
60 months, whichever occurs first).
Spark Plug Wire Inspection. Spark Plug Replacement.
Positive Crankcase Ventilation (PCV) Valve Inspection.
These intervals only summarize maintenance services.
Be sure to follow the complete maintenance schedule
on
the following pages.
7-4

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
1 Long TripMighway Definition
Follow this maintenance schedule only ir none of the
conditions from the Short Trip/City Maintenance
Schedule is true.
Driving a vehicle with a fully warmed engine under
highway conditions causes engine oil to break
down slower:
Every 7,500 Miles (12 500 km): Engine Oil and rllter
Change (or every
12 months, whichever occurs first).
Chassis Lubrication (or every 12 months, whichever
occurs first). Drive Axle Service.
At 7,500 Miles (12 500 km) -- Then Every
15,000 Miles
(25 000 km): Tire Rotation.
Every 30,000 Miles (50 000 km): Fuel Filter
Replacement. Air Cleaner Filter Replacement. Front
Wheel Bearing Repack (2WD
only) (or at each brake
relining, whichever occurs first).
Transmission Service (severe conditions only).
Drive Belt Inspection.
Fuel Tank, Cap and
Lines Inspection.
Every 100,000 Miles (166 000 km): Cooling System
Service
(or every 60 months, whichever occurs first).
Spark Plug Wire Inspection. Spark Plug Replacement.
Positive Crankcase Ventilation (PCV) Valve Inspection.
Every 50,000 Miles (83 000 km): Automatic
Every 60,000 Miles (100 000 km): Engine Accessory
These intervals only summarize maintenance services.
Be sure to follow the complete maintenance schedule otl
the following pages.
7-5

Downloaded from www.Manualslib.com manuals search engine 30,000 Miles (50 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch pedal springs at
every oil change (or every
3 months,
whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Replace fuel filter.
0 Replace air cleaner filter.
An Emission Control Service.
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
During tire rotation, check brake calipers
for freedom of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
An Emission Control Service.?
DATE SERVICED BY: ACTUAL MILEAGE
Short TripKity Maintenance Schedule
7-13

Downloaded from www.Manualslib.com manuals search engine Short Trip/City Maintenance Schedule *
60,000 Miles (100 000 km)
c3 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch pedal springs at
every oil change (or every
3 months,
whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings
(or at
each brake relining, whichever occurs first).
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
0 Replace air cleaner filter.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect
fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service.?
An Emission Control Service.
An Emission Control Service.?
DATE
SERVICED BY ACTUAL MILEAGE
7-21

Downloaded from www.Manualslib.com manuals search engine I Short Trip/City Maintenance Schedule
0 Replace fuel filter.
0 Replace air cleaner filter.
An Emission Control Service.
0 Rotate tires. See “Tire Inspection and
An Emission Control Service.?
Rotation” in the Index for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom
of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
93,000 Miles (155 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
Cl Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch pedal springs at
every oil change (or every
3 months,
whichever occurs first).
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.**
I DATE I ACTUAL MILEAGE SERVICED BY: I
7-29

Downloaded from www.Manualslib.com manuals search engine 30,000 Miles (50 000 km) (Continued)
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
An Emission Control Service.?
0 Replace fuel filter.
0 Replace air cleaner filter.
An Emission Control Service.
DATE ACTUAL MILEAGE SERVICED BY
. '.
37,500 Miles (62 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch- pedal springs at
every
oil change (or every 12 months,
whichever occurs first).
7-36

Downloaded from www.Manualslib.com manuals search engine 60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch pedal springs at
every oil
change (or every 12 months,
whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.**
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
0 Replace air cleaner filter.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect
fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service.?
An Emission Control Service.
An Emission Control Service.?
Long Tripmighway Maintenance Schedule
~~~~~
DATE ACTUAL MILEAGE SERVICED BY
7-40