engine CHEVROLET SUBURBAN 1994 Owners Manual

Specification Charts
Replacement Parts
Replacement part numbers listed in this section are based on the latest
information available
at the time of printing, and are subject to change. If a
part listed in this manual
is not the same as the part used in your vehicle
when
it was built, or if you have any questions, please contact your GM
truck dealer.
Engine Identification -Gas Engines
Engine
Type VIN Code
Fuel System
Produced By
Emissions
5.7L
V8
K
TBIT
U.S., CAN.
JJD*/HD**
“Light Duty Emissions with
8500 GVWR and below or:
**Heavy Duty Emissions with 8501 GVWR and above
?Throttle Body Injection
Engine Identification -Diesel Engines
Engine
Type VIN Code
Fuel System
Produced By
Emissions
Wheel Nut Torque
MODEL
C 1500
K 1500, C-K 2500
C-K 2500
6.5L
V8
S
Turbo Diesel
U.S.
LD
DESCRIPTION
5 bolts (14mm)
6 bolts (14mm)
8 bolts (14mm)
6.5L
V8
F
Turbo Diesel
U.S.
HD
TORQUE
120 ft. lbs. (1 60 Nom)
120 ft. lbs. ( 1 60 Nom)
I20 ft. Ibs. (I 60 Nom)
6-81
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Cooling System Capacity
ENGINE VIN
5.7L K
6.5L S
6.5L F
7.4L N
QTY Without AfC* QTY With A/C*
17.5 Quarts (1 6.5 Liters)
18 Quarts ( I7 Liters)
25 Quarts
(23.5 Liters) 25 Quarts (23.5 Liters)
26.5 Quarts (25 Liters)
26.5 Quarts (25 Liters)
23 Quarts (22 Liters)
25 Quarts (23.5 Liters)
After refill, the level MUST be checked as outlined under “Engine Cooling
System”
in Section 5.
*All quantities are approximate.
Crankcase Capacity
ENGINE
5.7L
6.5L
6.5L
7.4L
VIN
K
ST
F?
N
QTY Without Filter“
4 Quarts (3.8 Liters)
6 Quarts (5.7 Liters)
QTY With Filter:$
5 Quarts (4.8 Liters)
7 Quarts (6.5 Liters)
7 Quarts
(6.5 Liters)
7 Quarts (6.5 Liters)
After refill, the level MUST be checked
as outlined under “Engine Oil And
Filter Recommendations”
in Section 5.
*All quantities are approximate.
?Oil filter should be changed at
EVERY oil change.
Fuel Tank Capacity
TYPE
Gasoline/Diesel
Utility Model -Standard
Wagon Model-S tandard
QUANTITY
30 Gallons (I 13 Liters)
42 Gallons (I 59 Liters)
All quantities are for a completely dry tank and are approximate.
6-82
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Service Replacement Part and Filter
Recommendations -Gas Engines
Engine
VIN
Oil Filter
Air Cleaner Filter
PCV Valve
Spark Plugs‘%
Fuel Filter
Radiator Cap
5.7L
K
PF353‘
A348C
cv774c
.CR43TS
GF48 1
RC36
$Four Wheel Drive Vehicle -use a
PFS 1 oil filter
*Use AC copper-cored resister type spark plugs
Service Replacement Part and Filter
Recommendations -Diesel Engines
Engine
VIN
Oil Filter
Air Cleaner
Fuel Filter
Surge Tank Cap 6.5L
S”
PF3S
A917C
TP
I 006
RC33
7.4L
N
PF35
A348C
cv774c
.CR43TS
GF48
I
RC36
6.5L
F”
PF35
A9 17C
TP
1006
RC33
*Heavy Duty Emission Engine
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same. If the air conditioning
system
in your vehicle needs refrigerant, be sure the proper refrigerant is
used. If you’re not sure, ask your GM dealer. For additional information, see
your “Warranty and Owner Assistance Information” booklet.
Air Conditioning Refrigerant Capacity
TYPE
Refrigerant R 134A
Refrigerant
R 134A
QTY
Front A/C 3.0 lbs. (1.360 kg)
Front and Rear A/C
4.25 Ibs. (I .927 kg)
6-83
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LAMP OR BULB
INSTRUMENT
P ANEL
Transmission Indicator (PRNDL)
Daytime Running Lights Indicator?'
Charging System Indicator Lamp
Instrument Cluster Illumination -Gage
Cluster
Instrument Cluster Illumination
-Tachometer Cluster
Headlamp Beam Indicator
Directional Signal Indicator
Brake Warning Indicator
Safety Belt Warning
Check Gages Indicator Malfunction Indicator ("Service Engine
Soon") Lamp
Upshift Indicator
Glow Plugs Lamp*:"
Low Coolant Lamp**
Water
in Fuel Lamp**
Service Throttle
Soon Lamp**
'k*Diesel only
'fCanadian Vehicles only
TRADE NO.
161 74
74
194
194 74
74
74
74
74 74
74
74 74
74
74
6
6-87
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Scheduled Maintenance Services
Section
This section covers the maintenance required for your General Motors
vehicle
. Your vehicle needs these services to retain it’s safety. dependability.
and emission control performance
.
A Word About Maintenance .................................. 7-3
Your Vehicle and
the Environment ............................. 7-3
Recording Maintenance Services
............................... 7-3
Scheduled Maintenance Services
............................... 7-4
Selecting Your Vehicle’s Maintenance Services ........ ..... 7-4
Maintenance Schedule I ................................ 7-6
Maintenance Schedule
I1 ..................... ......... 7-8
Maintenance Schedule
I .........................
Maintenance Schedule I1 ...... ...............
Maintenance Schedule I ............................... 7-14
Maintenance Schedule
I1 ............................... 7-16
Explanation
of Scheduled Maintenance Services ............... 7-18
Owner Checks and Services .................................. 7-22
Recommended Fluids
& Lubricants ........................... 7-25
Maintenance Record
....................................... 7-27
Service Sta.tion Checks
..................................... 7-28
Gasoline Engines with Light Duty Emissions .
Gasoline Engines with Heavy Duty Emissions .
Diesel Engines .
.... 7-10
...... 7-12
Protection
Plan
Have you purchased the GM Protection Plan? The Plan supplements
the new vehicle warranties
. See your GM dealer for details .
7-1
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If you are skilled enough to do some work on your vehicle, you will
probably want
to get the service information GM publishes. For information
on how to obtain various service publications for your vehicle, see “Service
Publications”
in the Index. You will find a list of publications and an order
form
in the back of the book.
Scheduled Maintenance Services
This part tells you the maintenance services that you should have done and
the times you should schedule them. Your GM dealer knows your vehicle
best and wants
you to be happy with it. If you go to your dealer for your
service needs, you’ll know that GM-trained and supported service people
will perform the work using genuine GM parts.
These schedules are for vehicles that:
carry passengers and cargo within the recommended limits. You will
find these limits
on your vehicle’s Certification Label. See “Loading
Your Vehicle”
in the Index.
are driven on regular road surfaces, and within legal driving limits, as
described in Section 4 “Your Driving and the Road.”
are driven off-road in the recommended manner. See “Off Road
Driving With Your Four-wheel Drive Vehicle”
in the Index.
use the recommended fuel. See “Fuel” in the Index.
Selecting the Proper Maintenance Services
To find the proper maintenance schedule for your vehicle, you must know
two things. What engine your vehicle has, and
how you use your vehicle.
Your engine type will tell
you which chart to use, and your driving
conditions will tell
you which schedule to use. The charts are found later in
this section.
Selecting the Proper Maintenance Chart
Your engine type (Gasoline or Diesel) and its emissions classification (Light
Duty or Heavy Duty Emissions) will tell
you which maintenance chart to
use. Find your Vehicle Identification Number (VIN), and look at the eighth
character to see what your engine code
is. Then use the following Engine
Emissions Classifications tables
to find your emissions classification.
0 Your VIN is on the plate on the top left corner of your instrument
panel, the Certification Label and
on the Service Parts Identification
Label. See “Vehicle Identification Number” in the Index.
If your engine has more than one emissions classification, look at your
Certification Label to see what your Gross Vehicle Weight Rating
(GVWR)
is. See “Loading Your Vehicle” in the Index.
7-3 ProCarManuals.com

Engine Emissions Classification - Gas Engines
Engine
Type
VIN
Fuel System
Emissions
5.7L
V8
K
TBIT
LD*/HD**
7.44
V8
N
TBIT
LD*/HD**
*Light Duty Emissions with
8500 GVWR and below or:
**Heavy Duty Emissions with
8501 GVWR and above
?Throttle Body Injection
Engine Emissions Classification - Diese/ Engines
Engine
Type
VIN
Fuel System
Emissions
6.5L
V8
S
Turbo Diesel
LD
6.5L
V8
F
Turbo Diesel
HD
7-4
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Selecting the Proper Maintenance Schedule
Here is how to tell which schedule to follow once you find the proper
maintenance chart to
use.
MAINTENANCE SCHEDULE I
Is any one of these true for your vehicle?
Most trips are less than 4 miles (6 kilometers.)
Most trips are less than 10 miles (16 kilometers), and the outside
temperatures are below freezing.
The engine is at low speed most of the time (as in door-to-door
delivery, stop-and-go traffic, or commercial use).
0 You operate in dusty areas or off-road frequently.
You tow a trailer.
If
any one (or more) of these is true for your driving, follow Schedule I.
Schedule I is shown by a plus sign (+) on the chart.
MAINTENANCE SCHEDULE II
Follow Schedule I1 ONLY if none of the above conditions are true.
Schedule
I1 is shown by a dot (0) on the chart.
7-5 ProCarManuals.com

GASOLINE ENGINES WITH LIGHT DUTY EMISSIONS
- MAINTENANCE SCHEDULE tf
23
* An Emission Control Service Brake Systems Inspection**
25
ttttt-t Drive Axle Service** 24
t Tire and Wheel Rotation**
** See “Explanation
of Scheduled Maintenance Services” in the Index
$ The California Air Resources Board has determined that the fail\
ure to perform this
maintenance item will not nullify the emission warranty or limi\
t recall liability prior
to the
completion of vehicle useful life. General Motors, however, urges that all re\
commended
maintenance services be performed
at the indicated intervals and the maintenance be
recorded.
t To determine the emissions classification of your engine, refer to “Selecting the Proper
Maintenance Chart” in this section.
TO401 /TO90 1
7-6 ProCarManuals.com

GASOLINE ENGINES WITH LIGHT DUTY EMlSSlONS
- MAINTENANCE SCHEDULE fi (continued)
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km) ARE TO BE
DONE AFTER 60,000 MILES AT THE SAME INTERVALS.
T0402/T0902
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