1995 GMC SIERRA engine

I Maintenance Schedule I - Diesel Engines I
5,000 Miles (8 000 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).
constant velocity joints and axle seals for leaking.
:k*
0 Check readfront axle fluid level and add fluid as needed. Check
I DATE I ACTUALMILEAGE I SERVICED BY: I
7,500 Miles (12 000 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.
DATE
SERVICED BY: ACTUAL MILEAGE
7-63
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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
7-64
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Maintenance Schedule I - Diesel Engines -
12,500 Miles (20 000 km)
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
Il 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 tnileage
interval (or
every 12 months, whichever OCCUTS first).
15,000 Miles (24 000 km)
ci Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emissio~1 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
(-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 12 months, whichever occurs first).
17 Replace air cleaner filter. Replace filter more often under dusty
0 For 2-Wheel Drive vehicles only: Clean and repack the front wheel
conditions.
An Emission Control Service. <'
bearings (or
at each brake relining, whichever occurs first).
(Continued)
7-65
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I Maintenance Schedule I - Diesel Engines I
(Continued)
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
'k*
DATE
SERVICED BY: ACTUAL MILEAGE
17,500 Miles (28 000 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).
- -__. ~~
DATE SERVICED BY: ACTUAL MILEAGE
7-66
ProCarManuals.com

Maintenance Schedule I - Diesel Engines
20,000 Miles (32 000 km)
Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
ci 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).
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 readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
:i:4:
DATE
SERVICED BY: ACTUAL MILEAGE
7-67
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Maintenance Schedule I - Diesel Engines
22,500 Miles (36 000 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).
0 Rotate tires, See “Tire Inspection and Rotation” in the I\
ndex for proper
rotation pattern and additional information. See “Tires” in the Index.
I DATE I ACTUALMILEAGE I SERVICED BY:
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 link\
age,
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. Chec\
k
constant velocity joints and axle seals for leaking.
**
DATE ACTUAL MILEAGE SERVICED BY 1
~ ~- ~~
7-68
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I Maintenance Schedule I - Diesel Engines I
27,500 Miles (44 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
0 Lubricate the front suspension, king pin bushings, steering link\
age, 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).
first).
An
Emission Control Service.
I DATE I ACTUALMILEAGE I SERVICED BY: I
30,000 Miles (48 000 km)
c] Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
1 Lubricate the front suspension, king pin bushings, steering link\
age,
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).
0 For vehicles equipped with a 5-speed manual transmission with deep
low: Lubricate the clutch fork ball stud through the fitting o\
n the clutch
housing. Lubricant must be added
sparingly 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.
(Continued)
7-69
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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
ProCarManuals.com