belt CHEVROLET SUBURBAN 1995 Repair Manual

Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0 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.
0 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.
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 the
United States.
DATE SERVICED BY: ACTUAL MILEAGE I
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
36,000 Miles (60 000 km)
0
0
0
0
0
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).
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 air cleaner filter if you
are driving in dusty conditions. Replace
filter if necessary.
An Emission Control Service.
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.
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.\

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 ACTUAL MILEAGE SERVICED BY
7-44
1
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0
0
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.
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.
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:
a In heavy city traffic where the outside temperature regularly
reaches
90°F (32°C) or higher.
a In hilly or mountainous terrain.
a When doing frequent trailer towing.
(Continued)
7-48
1
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Maintenance Schedule I - Gasoline Engines Heavy
Duty Emissions
(Continued)
0
0
Inspect fuel tank, lines, rails, injection assembly, cap and cap gasket.
An Emission Control Service. ?Fuel filter replacement is not required.
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.
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.
7-52
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Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
1 Lvntinued)
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information.
I DATE I ACTUALMILEAGE I SERVICED BY: I
24,000 Miles (40 000 km)
Change engine oil and filter (or every 12 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).
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.**
0 Inspect engine accessory drive belts (or every 24 months, whichever
occurs first).
An Emission Control Service.
0 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 Emission Control
Service.
Replace air cleaner filter. An Emission Control Service.
0 Replace fuel filter. An Emission Control Service.
DATE I ACTUALMILEAGE I SERVICED BY:
7-55
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Maintenance Schedule II .- Gasoline Engines With
Heavy Duty Emissions I
(Continued)
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information.
I DATE I ACTUALMILEAGE I SERVICED BY I
48,000 Miles (80 000 km)
0
0
0
0
0
0
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
IO” 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, whi2hever 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 (or every 24 months, whichever
occurs first).
An Emission Control Service.
Inspect camshaft timing belt. 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 Emission Control
Service.
Replace spark plugs. An Emission Control Service.
(Continued)
7-5 8
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I
Maintenance Schedule II - Gasoline Engines With
Heavy Duty Emissions
m
(Continued)
17 Check readfront axle tluid 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 Etnission Control Service.
0 Inspect camshaft timing belt. An Emission Control Service.
0 Inspect spark plug wires. An Emksion Control Service. -1
0 Inspect fuel tank, lines, rails, injection assembly, cap and cap gasket.
An Emission Control Service.
I Maintenance Schedule I - Diesel Engines I
The services shown in this schedule LLP to 60,000 miles (100 000 km) should
be performed after
60,000 miles ( IO0 000 km) at the same intervals.
Footnotes
‘:: When the vehicle is operated in extreme dust and dirt conditions
(off-road), the air cleaner filter may need to be checked as
often as every
300 miles (483 km) and replaced as necessary.
‘k’k 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).
Standard Differential - Check fluid level and adu rlulu as neeaea 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).
More frequent lubrication may be required for heavy-duty or off-road
use.
7-6 1
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I Maintenance Schedule I - Diesel Engines
I7 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.
[J 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 the exhaust pressure regulator valve for proper operation;
correct any binding. Inspect hoses for cracks, chafing or decay. Replace
parts as needed.
An Emission Control Service.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
**
7-79
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I Maintenance Schedule II - Diesel Engines
(Continued)
0 Replace air cleaner filter. 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.
0 Check the exhaust pressure regulator valve for proper operation;
correct any binding. Inspect hoses for cracks, chafing
or decay. Replace
parts
as needed. An Emission Control Service.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
**
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Parking Brake and Automatic Transmission PARK (P)
Mechanism Check
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your
foot on the regular brake, set the parking brake.
0 To check the parking brake: With the engine running and transmission
in NEUTRAL
(N), slowly remove foot pressure from the regular brake
pedal.
Do this until the vehicle is held by the parking brake only.
0 To check the PARK (P) mechanism’s holding ability: Shift to PARK
(P). Then release all brakes.
Lap and Shoulder Belts Condition and Operation
Inspect belt system, including: webbing, buckles, latch plates, retractors,
guide
loops and anchors. Have a belt assembly replaced if the webbing has
been cut or otherwise damaged.
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