1995 GMC SIERRA radiator

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
7-55
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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)
7-58
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I Maintenance Schedule I - Diesel Engines
(Continued)
I7 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. Auz Emissiolz 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.
0 Replace air cleaner filter. Replace filter more often under dusty
conditions.
An Emission Control Service. #’
0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
0 Replace fuel filter. Replace filter sooner if it is clogged.?
bearings
(or at each brake relining, whichever occurs first).
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.\

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 the
United States.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
**
DATE SERVICED BY: ACTUAL MILEAGE
7-70
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I Maintenance Schedule I - Diesel Engines
(Continued)
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.
0 Replace air cleaner filter. Replace filter more often under dusty
conditions.
An Emission Control Service. *
0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
0 Check the crankcase depression regulator valve system for any worn,
plugged or collapsed hoses. See service manual.
An Emission Control
Service.
0 Replace fuel filter. Replace filter sooner if it is clogged.?
0 Check the EGR System (if equipped) (except Code F engine) as
described in the service manual.
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.\

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.
(Continued)
7-79
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I Maintenance Schedule II - Diesel Engines
30,000 Miles (48 000 km)
0
0
0
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 12 months, whichever occurs first).
For vehicles equipped with a 5-speed manual transmission with deep
low: Lubricate the clutch fork ball stud through the fitting
on the clutch
housing. Lubricant must be added
spring1-y to the fitting, as very little
is required to lubricate the ball stud surface. Do not add lubricant more
often than specified.
Too much lubricant will damage the clutch
assembly.
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 Ernission 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.
An Emission Coratrol Service.
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:?
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.
(Continued)
7-85
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60,000 Miles (100 000 km)
o
r
0
0
0
0
E
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emissim~ Control Ser~~ice.
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).
For vehicles equipped with a 5-speed manual transmission
with deep
low: Lubricate the clutch fork ball stud through the fitting
on the clutch
housing. Lubricant must be added
.spari11gl~* to the fitting, as very little
is required to lubricate the ball stud surface. Do not add lubricant more
often than specified.
Too much lubricant will damage the clutch
assembly.
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. Ar? Emissioll Cor1trol 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.
An Emission Control Set-l*icv.
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Check the crankcase depression regulator valve system for any worn,
plugged or collapsed hoses. See service manual.
AIZ E~ui.ssio~? Co11troI
ScJr-\,ic*e.
Replace fuel filter. Replace filter sooner if it is clogged.-!-
Check the
EGR System (if equipped) (except Code F engine) as
described in the service manual. At7 EIII~SS~OII Control Service.
(C~)11tin~d)
7-93
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Oil DieselEngines
............................................... 6-21
Additives
................................................. 6-25
Pressure Gage (See “Gages”
j
ToCheck ................................................. 6-22
WhatKindtoUse
.......................................... 6-23
WhentoAdd
.............................................. 6-22
WhentoChange
............................................ 6-25
What to Do with Used Oil
.................................... 6-25
Gasoline Engines
............................................. 6-16
Additives
................................................. 6-20
Pressure Gage (See “Gages”)
ToCheck
................................................. 6-16
WhatKindtoUse
.......................................... 6-17
WhentoAdd .............................................. 6-17
When to Change ............................................ 6-20
What to Do with Used
Oil .................................... 6-21
Owner Checks and Services
........................................ 7-93
Parking Brake (See “Brakes-Parking”)
On Hills (See “Towing-Parking on Hills’*j
Over Things That Burn
........................................
Passing (See “Drivin~-Passing”)
Periodic Maintenance Inspections (See “Scheduled Maintenance Services”)
Power
Door Locks (See “Dood’j 2-31
Steering
...................................................... 4-7
Steering Fluid
................................................ 640
Take-Off
.................................................... 4-35
Winches
..................................................... 4-34
Radiator Pressure Cap
............................................ 6-39
Radio (See “Audio Systems”)
Rear Axle (See ”Axle”)
Recommended Fluids and Lubricants (See “Scheduled Maintenance Services“)
Recovery Hooks
................................................. 5-40
Replacement Parts ............................................... 6-80
Reporting Safety Defects To The United States Government (See “Safety Defects”)
Roadside Assistance
............................................... 8-5
Rocking Your Vehicle ............................................ 5-39
Rear Window Defogger
............................................ 3-4
Safety Belts ..................................................... 1-9
Adults ...................................................... 1-12
Center Passenger Position ....................................... 1-25
Checking Restraint System ...................................... 1-44
7
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