cooling GMC SIERRA 1995 Owner's Guide

Maintenance Schedule I1 - Gasoline Engines With
Light Duty Emissions
(Continued)
E Check rear/front axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.:!::!:
3 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE L
60,000 Miles (100 000 km)
0
n
C
El
Change engine oil and filter (or every 12 months, whichever occurs
first).
An Emission Control Service.
Lubricate the front suspension, king pin bushings. steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature is
10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication or they could be damaged.
Perform each
of the listed lubrication service items at this mileage
interval (or every
12 months. whichever occurs first).
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.'%*
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings
(or at each brake relining, whichever occurs first).
Inspect engine accessory drive belt.
An Enzission Control Senice.
Drain, flush and refill cooling system (or every 24 months, whichever
occurs first). See "Engine Coolant"
in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
AH Emissio~ Control
Service.
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
12,000 Miles (20 000 km)
0
0
0
CI
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king
pin
bushings should not be lubricated unless their temperature is 10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication or
they could be damaged.
Perform each of the listed lubrication service items at this mileage
interval (or every
I2 months, whichever occurs first).
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.'k'k
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Tnspect air cleaner filter
if you are driving in dusty conditions. Replace
filter
if necessary. An Ewission Control Senice.
Replace fuel filter. Replace filter sooner if it is clogged?
Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt
as needed. AH
Emission Control Service.
Inspect shields and underhood insulation for damage or looseness.
Adjust or replace as required.
This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.\

If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every
12 months. whichever
occurs first). Be sure the valve works properly.
This is a Noise
Emission Control Service. Applicable only
to vehicles sold in the
United States.
DATE SERVICED BY: ACTUAL MILEAGE
I
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0
0
Check the air intake system installation to assure that gaskets are
properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing
is properly seated, the cover fits tightly and the wing nuts are tight.
Tighten connections and fasteners or replace damaged parts
as
necessary. This is a Noise Emission Control Service. Applicable only
to vehicles sold in the United States.
If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every
12 months, whichever
occurs first). Be sure the valve works properly.
This is a Noise
Emission Control Service. Applicable only to vehicles sold
in the
United States.
I DATE I ACTUALMILEAGE I SERVICED BY: I
27,000 Miles (45 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
0 Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case
shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature
is 10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm
up before lubrication or they could be damaged.
Perform each
of the listed lubrication service items at this mileage
interval
(or every 12 months, whichever occurs first).
(Continued)
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.**
0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
0 Inspect air cleaner filter if you are driving in dusty conditions. Replace
Replace fuel filter. Replace filter sooner if it is clogged.?
filter
if necessary.
An Emission Control Service.
0 Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt
as needed. An
Emission Control Service.
0 Inspect shields and underhood insulation for damage or looseness.
Adjust
or replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.
If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every
12 months, whichever
occurs first). Be sure the valve works properly.
This is a Noise
Emission Control Service. Applicable only to vehicles sold in t\
he
United States.
DATE SERVICED BY: ACTUAL MILEAGE
39,000 Miles (65 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
0 Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless
their temperature is 10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication or they could be damaged.
Perform each
of the listed lubrication service items at this mileage
interval (or every
12 months, whichever occurs first).
(Continued)
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0
0
0
0
0
0
0
Drain, flush and refill the cooling system with new coolant (or every 24
months, whichever occurs first). See “Engine Coolant” in the Index for
what to use.
An Emission Control Service.
Also inspect the hoses and replace them if they are cracked, swollen or
deteriorated. Tighten all hose clamps (except constant tension clamps).
Remove debris and clean the outside
of the radiator and air
conditioning condenser. Wash the radiator neck.
To ensure proper
operation, pressure test the radiator and cap.
Replace air cleaner filter. Replace filter more often under dusty
conditions.
An Emission Control Sewice.
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Replace fuel filter. Replace filter sooner if it is clogged.?
Adjust timing
to underhood label specifications. Inspect the inside and
outside
of the distributor cap and rotor for cracks, carbon tracking and
corrosion. Clean or replace as needed.
An Emission Control Service.
This is a Noise Emission Control Service.
If your vehicle has a thermostatically controlled air cleaner, inspect all
hoses and ducts for proper hook-up. Be sure the valve works properly.
An Emission Control Service. This is a Noise Emission Control
Service.
Inspect accessory drive (serpentine) belt for cracks, fraying and wear
and check belt for proper tension. Adjust or replace belt as needed.
An
Emission Control Service.
Inspect shields and underhood insulation for damage or looseness.
Adjust or replace as required.
This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.\

Check the air intake system installation to assure that gaskets are
properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing
is properly seated, the cover fits tightly and the wing nuts are tight.
Tighten connections and fasteners or replace damaged parts as
necessary.
This is a Noise Emission Control Service. Applicable only
to vehicles sold in the United States.
(Continued)
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
c1 If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every
12 months, whichever
occurs first). Be sure the valve works properly.
This is a Noise
Emission Control Service. Applicable only to vehicles sold in t\
he United States.
I DATE I ACTUALMILEAGE I SERVICED BY: I
50,000 Miles (83 000 km)
0 Change transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
0 In heavy city traffic where the outside temperature regularly
reaches
90°F (32°C) or higher.
0 In hilly or mountainous terrain.
0 When doing frequent trailer towing.
Uses such as found in taxi, police or delivery service.
If you do not use your velzic*le under my of these conditiom, the jluid
md filter do not require chnngirTg.
Manual transmission fluid doesn’t require change.
0 Lubricate transmission shift linkage, parking brake cable guides and
underbody contact points (or every
6 months, whichever occurs first).
DATE ACTUAL MILEAGE SERVICED BY:
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
L! If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every 12 months, whichever
occurs first).
Be sure the valve works properly. This is a Noise
Emission Control Service. Applicable only to vehicles sold in the
United States.
DATE SERVICED BY: ACTUAL MILEAGE 1 I
Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
The services shown in this schedule up to 60.000 miles ( 100 000 kn1) should
be performed after
60.000 miles ( IO0 000 km) at the same intervals.
Footnotes
.I, .!. -~*-~- Drive axle service:
0 Locking Differential - Drain fluid and refill at first engine oil change.
At subsequent
oil changes. check fluid and add fluid as needed. If
driving in dusty areas or towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
0 Standard Differential - Check fluid level and add fluid as needed at
every engine oil change. If driving in dusty areas or towing a trailer,
drain fluid and refill every 15,000 miles
(25 000 km).
0 More frequent lubrication may be required for heavy-duty or off-road
use.
0 3500 HD Models with applications requiring extreme overload/trailer
towing conditions and high speed (above 45
mph or 72 km/h)
conditions for extended periods of time must have the drive axle fluid
changed every 3.000 miles
(5 000 km) or 3 months, whichever occurs
first, or rnust use 75W-140 synthetic tluid meeting
GM specifications.
See "Recommended Fluids and Lubricants"
in this section.
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Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
24,000 Miles (40 000 km)
0
Change engine oil and filter (or every 12 months, whichever occurs
first).
AI? Emission Control Senice.
Lubricate the front suspension. king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature
is 10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication or they could be damaged.
Perform each of the listed lubrication service items at this mileage
interval (or every
12 months. whichever occurs first).
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.'k'*
Inspect engine accessory drive belts
(or every 24 months. whichever
occurs first).
An Emission Control Service.
Drain, flush and refill cooling system (or every 24 months, whichever
occurs first). See "Engine Coolant'' in the Index for what
to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
An Enzission Control
Service.
Replace air cleaner filter. An Ettzissiorz Control Service.
Replace fuel filter. An Emission Control Service.
DATE SERVICED BY: ACTUAL MILEAGE L
i
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Maintenance Schedulell - Gasoline Engines With
Heavy Duty Emissions
(Continued) rn
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.**
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE
48,000 Miles (80 000 km)
0
13
0
U
0
Change engine oil and filter (or every 12 months, whichever occurs
first).
An Ernission Control Service.
Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides. rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs.
Ball joints and king pin
bushings should not be lubricated unless their temperature is
10” F
(-12” C), or higher. When weather is cold, let the ball joints and king
pin bushings
warm up before lubrication or they could be damaged.
Perform each of the listed lubrication service items
at this mileage
interval (or every 12 months, whichever occurs first).
Check readfront axle fluid level and add fluid
as needed. Check
constant velocity joints and axle seals for leaking.”“
Inspect engine accessory drive belts
(os every 24 months, whichever
occurs first).
Arz Emission CmtroI Service.
lnspect camshaft timing belt. An Elnission Contl-01 Senice.
Drain, flush and refill cooling system (or every 24 months, whichever
occurs first). See “Engine Coolant”
in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck.
Pressure test. the cooling system and pressure
cap. Ai? Emissio~ Control
Service.
(Con tin ued)
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Maintenance Schedule I - Diesel Engines
10,000 Miles (16 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
0 Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature
is 10" F
(-12" C), or higher. When weather is cold, let the ball joints and king
pin bushings warm up before lubrication or they could be damaged.
Perform each of the listed lubrication service items at this mileage
interval (or every
12 months, whichever occurs first).
Adjust or replace as required.
This is a Noise Emission Control
Service. Applicable only to vehicles sold in the United States.\

0 Inspect shields and underhood insulation for damage or looseness.
0 Check the air intake system installation to assure that gaskets are
properly sealed and that all hose connections, fasteners and other
components are tight.
Also check to be sure that the air cleaner housing
is properly seated, the cover fits tightly and the wing nuts are tight.
Tighten connections and fasteners or replace damaged parts
as
necessary. This is a Noise Emission Control Service. Applicable only
to vehicles sold
in the United States.
0 If your engine has a thermostatically controlled cooling fan, inspect all
hoses and ducts for proper hook-up (or every
12 months, whichever
occurs first). Be sure the valve works properly.
This is a Noise
Emission Control Service. Applicable only to vehicles sold in t\
he
United States.
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
*+
DATE SERVICED BY: ACTUAL MILEAGE I
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