CHEVROLET SUBURBAN 1996 Owners Manual

Maintenance Schedule I - Diesel Engines
60,000 Miles (100 000 km)
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).
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 Service. *
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.
An Emission Control
Service.
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. An Emission Control Service.
(Continued)
7-78
ProCarManuals.com

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
ProCarManuals.com

The services shown in this schedule up to 60,000 miles (100 000 kin) should
be performed after 60,000 miles
( 100 000 km) at the same intervals.
Footnotes
*#: Drive axle service:
a
a
a
Locking Differential - Drain fluid and refill at first engine oil change.
At subsequent oil changes, check fluid level 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 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).
More frequent lubrication may be required for heavy-duty or off-road
use.
5,000 Miles (8 000 km)
0 Change engine oil and filter (or every 12 months. whichever occurs
first).
A12 Emission Com-d Scr-\v’w.
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 occ~~rs first).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. See “Tires”
in the Index.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
‘I-’’- .:, .!.
ProCarManuals.com

Maintenance Schedule II - Diesel Engines I
10,000 Miles (16 000 km)
0 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 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, fateners 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
L
7-81
-. ProCarManuals.com

1 Maintenance Schedule II - Diesel Engines I
15,000 Miles (24 000 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).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. See “Tires”
in the Index.
0 Check readfront axle fluid level and add fluid ai needed. Check
constant velocity joints and axle seals for leaking.
**
DATE
SERVICED BY: ACTUAL MILEAGE
I
20,000 Milles (32 000 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)
7-82
ProCarManuals.com

I Maintenance Schedule II - Diesel Engines I
0 0
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.
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.
**
I DATE I ACTUALMILEAGE I SERVICED BY: I
25,000 Miles (40 000 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 propshaf\
t 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)
7-83
-q_ ProCarManuals.com

(Continued)
0 Rotate tires. See “Tire Inspection and Rotation’’ in the Index for proper
rotation pattern and additional information.
See “Tires” in the Index.
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 I I
30,000 Miles (48 000 km)
17 Change engine oil and filter (or every 3 months, whichever occurs
17 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).
first).
An Emission Control Service.
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.
(Continued)
7-84
ProCarManuals.com

0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
0 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.
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 readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
:I:;!:
I DATE I ACTUALMILEAGE I SERVICED BY: I
7-85
ProCarManuals.com

1 Maintenance Schedule II - Diesel Engines I
35,000 Miles (56 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Contr-ol 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
(-1 2” 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).
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. See “Tires”
in the Index.
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
*4’
I DATE I ACTUALMILEAGE I SERVICED BY: I
40,000 Miles (64 000 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)
7-86
ProCarManuals.com

I Maintenance Schedule II - Diesel Engines
(Continued)
0
0
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.
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.
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
**
DATE ACTUAL MILEAGE SERVICED BY: L
L L
45,000 Miles (72 000 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)
7-87
ProCarManuals.com