1993 GMC SIERRA transmission filter
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Scheduled Maintenance Services
Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed in this section. Make sure
whoever services your vehicle uses these. All parts should be \
replaced and
all necessary repairs done before you or anyone else drives the ve\
hicle.
1.
ENGINE OIL AND OIL FILTER CHANGE* -ALWAYS USE SG OR
SGKE QUALITY, ENERGY CONSERVING II OILS OF THE PROPER
VISCOSITY. To determine the preferred viscosity oil for your vehicle’s
engine (e.g. SAE 5W-30 or 10W-30), see “Engine Oil” in the Index.
2. CHASSIS LUBRICATION -Lubricate the front suspension, king pin
bushings, steering linkage, transmission, and transfer case shift\
linkage,
parking brake cable guides, propshaft splines (2 wheel drive), brake
pedal springs, and clutch pedal springs at the intervals specified.
If you have a 3500 HD, lubricate the king pins and king pin bushings
every 1,500 miles
(2500 km) for Maintenance Schedule 1, or every 3,000
(5000 km) for Maintenance Schedule 2.
Ball joints and king pin bushings should not be lubricated unless their
temperature is
10°F (-12”C), or higher. When the weather is cold, let
them warm up before lubrication or they could be damaged.
Also, be sure to check
all the vehicle fluid levels at this time.
3.
CLUTCH FORK BALL STUD LUBRICATION -Lubricate the clutch fork
ball stud through the fitting on the clutch housing. Lubricant must be
added “sparingly” to the fitting, as only.
0066 Ib. (.003 kg) is required to
lubricate the ball stud surface.
Do not add lubricant more often than the
intervals in the Maintenance Charts.
Too much lubricant will damage
the clutch assembly.
4. ENGINE IDLE SPEED ADJUSTMENT (DIESEL ENGINES)* -Adjust to
the specifications shown on the underhood label. You must use
calibrated test equipment.
5. COOLING SYSTEM SERVICE* -Drain, flush and refill system with new
coolant. See “Engine Coolant’’ in the Index for the proper coolant and
mixture to use in your vehicle.
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.
* An Emission Control Service
7-1
8
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Page 399 of 436
6. AIR CLEANER FILTER REPLACEMENT* -Replace at every 30,000
miles (50 000 km) or more often under dusty conditions. Ask your dealer
for the proper replacement intervals for your driving conditions\
.
7. FRONT WHEEL BEARING REPACK (2 WHEEL DRIVE ONLY) -Clean
and repack the front wheel bearings at each brake relining, or\
at the specified interval, whichever comes first.
8.
TRANSMISSION SERVICE
Automatic Transmission
-Change the transmission fluid and filter every
15,000 miles (25 000 km) for vehicles under 8,600 GVWR or every
12,000 miles (20 000 km) for vehicles over 8,600 GVWR if the vehicle
is mainly driven under one or more of these conditions:
In heavy city traffic.
Where the outside temperature regularly reaches 90°F (32°C\
) or
higher.
In hilly or mountainous terrain.
Frequent trailer pulling.
Uses such as taxi, police, delivery or other commercial service\
.
If the vehicle is not used mainly under any of these conditions, change
the fluid and filter every 30,000 miles
(50 000 km) for vehicles under
8600 GVWR or every
24,000 miles (40 000 km) for vehicles over 8600
GVWR. See “Automatic Transmission Fluid” in the Index for more
information.
Manual Transmission -Transmission fluid does not require periodic
changing.
Regulator Valve System for any worn, plugged or collapsed hoses. Have
the system checked as described in the Service Manual.
9.
CDRV SYSTEM INSPECTION* -Check
the Crankcase Depression
10. FUEL FILTER REPLACEMENT* -Replace the fuel filter at the specified
interval
or sooner if clogged.
11. SPARK PLUGS REPLACEMENT* -Replace spark plugs with the type
listed in Section
6. See “Specification Charts” in the Index.
12.
SPARK PLUG WIRE INSPECTION* -Clean wires and inspect for burns,
cracks or other damage. Check the wire boot fit at the distributor and at
the spark plugs. Replace wires as needed.
*An Emission Control Service
7-1 9
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Page 427 of 436
1 Add-on Equipment ................... 6-94
I- Electronic Heatinghir Conditioning
(See "Heating")
Adding Coolant
... 5.12, 5.14. 6-44
... Engine I
Air Cleaner ................................ 6-31
Block Heater
.......... 2.19. 3.5. 6-26
Cold Weather Starting (Diesel)
.................... 2-1 7
Coolant
....... 5.12. 5-1 4. 6.42. 6-96
Coolant Temperature Gage
...... 2-88
Diesel
................................ 6.6. 6-1 9
Crankcase
.................................. 6-96
Fan Noise
.................................. 5-1 7
Noise Control System
.............. 6-1 9
.-Identification,
............................ 6-95
Oil .(See "Oil")
Overheating
................................. 5-9
Running While Parked
............. 2-35
Equipment, Add-on
...................... 6-69
Exhaust System
................ 2.34, 6-65
Exhaust
........................... 2.34,
6-65
Starting
............................ 2.12, 2-1 5
F
Fan Noise ...................................... 5-1 7
Filter
. Replacement Chart ............ 6-99
Finish Care
............................................ 6-88
Damage
..................................... 6-90
Automatic Transmission
........... 6-33
Brake
.......................................... 6-49
Coolant
............................ 5-1 2. 6-42
Front Axle
.................................. 6- 40
Hydraulic Clutch
....................... 6-37
Leak Check
................................ 6-52
Manual Transmission
................ 6-36
Power Steering
............ 1 ............ 6-46
Radiator
....................................... 5-1 4
Fluid
9-3
Rear Axle .................................. 6-41
Recommended Fluids
.............. 7-25
. Transfer Case ............................ 6-39
Windshield Washer.
................. 6-48
Fog Lamps
.................................... 2-54 .
Four-wheel Drive ............... 2.36, 6-39
Transfer Case
................ .2-37, 6-39
Front Axle
................................. 6-40
Fuel (Diesel Engines)
..................... 6.6
Cold Weather Operation
............ 6-7
Filter Replacement
........ 6-1 1, 6.13,
6-99
Fuel Requirements
..................... 6-6
Gage
........................ ; ................. 2-87
Running Out Of
........................ 6-10
Tank Capacity
........................... 6-97
Water in Fuel
.............................. 627
Fuel (Gasoline Engines)
................. 6-4
Filling Your Ta'nk
....................... 6-16
Foreign
. Countries ..................... 6-15
Gage
.......................................... 2-87
Gasolines for Cleaner Air
......... 6-5 A-
Fuses and Circuit
Breakers
............................ 6-64, 6-1 01 * .
Fuse Block ................................ 6-65 . . f
Headlights .................... 6.64, 6-100
Power Windows and Other
Trailer Wiring Harness
.. 6.64, 6-1 00
. Windshield Wipers ...... 6-64, 6-100
G
Gages ............................................ 2.87
Coolant Temperature Gage
..... 2-88
Fuel Gage
.................................. 2-87
Odometer
................................... 2-76
Oil Pressure Gage
..................... 2-89
Speedometer.
............................ 2-76
Tachometer
..................... 2.76, 2-78
Trip Odameter 2-77
Voltmeter
................................... 2-90
-
-.
I
Power Options ......... 6.64, 6-100 :
. ...........................
...
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