1999 CHEVROLET TAHOE engine

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CAUTION:
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren't careful. See ªJump Startingº in the Index
for tips on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.
Also, for your audio system, see ªTheft
-Deterrent
Featureº in the Index.
Bulb Replacement
Before you replace any bulbs, be sure that all the lamps
are off and the engine isn't running. For the proper bulb
type, see ªReplacement Bulbsº in the Index.
For any bulb changing procedure not listed in this
section, contact your GM dealer's service department.
Halogen Bulbs
CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.

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Vehicle Identification Number (VIN)
This is the legal identifier for your vehicle. It appears on
a plate in the front corner of the instrument panel, on the
driver's side. You can see it if you look through the
windshield from outside your vehicle. The VIN also
appears on the Vehicle Certification and Service Parts
labels and the certificates of title and registration.
Engine Identification
The 8th character in your VIN is the engine code. This
code will help you identify your engine, specifications
and replacement parts.
Service Parts Identification Label
You'll find this label on the inside of the glove box. It's
very helpful if you ever need to order parts. On this
label is:

your VIN,

the model designation,

paint information and

a list of all production options and
special equipment.
Be sure that this label is not removed from the vehicle.

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Fuse/Circuit
BreakerUsage
1 Stop/TCC Switch, Buzzer, CHMSL,
Hazard Lamps, Stoplamps
2 Transfer Case
3 Courtesy Lamps, Cargo Lamp, Glove
Box Lamp, Dome/Reading Lamps,
Vanity Mirrors, Power MirrorsFuse/Circuit
BreakerUsage
4 Instrument Cluster, DRL Relay, Lamp
Switch, Keyless Entry, Low Coolant
Module, Illuminated Entry Module,
DRAC (Diesel Engine)
5 Rear Comfort Controls
6 Cruise Control
7 Auxiliary Power Outlet
8 Crank
9 License Lamp, Parking Lamps,
Taillamps, Roof Marker Lamps,
Tailgate Lamps, Front Sidemarkers,
Fog Lamp Relay, Door Switch
Illumination, Fender Lamps,
Headlamp Switch Illumination
10 Air Bag System
11 Wiper Motor, Washer Pump
12 A/C, A/C Blower, High Blower Relay
13 Power Amp, Rear Liftglass, Cigarette
Lighter, Door Lock Relay, Power
Lumbar Seat

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Fuse/Circuit
BreakerUsage
14 4WD Indicator, Cluster, Front and
Rear Comfort Controls (If Equipped),
Instrument Switches, Radio
Illumination, Chime Module
15 DRL Relay, Fog Lamp Relay
16 Front and Rear Turn Signals,
Back
-Up Lamps, BTSI Solenoid
17 Radio (Ignition)
18 4WAL/VCM, ABS, Cruise Control
19 Radio (Battery)
20 PRNDL, Automatic Transmission,
Speedometer, Check Gages,
Warning Lights
21 Security/Steering
22 Not Used
23 Rear Wiper, Rear Washer Pump
24 Front Axle, 4WD Indicator Lamp,
TP2 Relay (Gasoline Engine)
A Power Door Lock, Six
-Way Power
Seat, Keyless Entry Module
B Power WindowsUnderhood Fuse/Relay Center
The underhood fuse/relay center is located in the rear of
the engine compartment near the brake fluid reservoir.
Move the retainer clips for the cover to access the
fuse block.
You can remove fuses with a fuse extractor. The fuse
extractor is mounted to the interior fuse block. To
remove fuses if you don't have a fuse extractor, hold the
end of the fuse between your thumb and index finger
and pull straight out.

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Name Circuits Protected
ECM
-B Fuel Pump, PCM/VCM
RR DEFOG Rear Window Defogger
(If Equipped)
IGN
-E Auxiliary Fan Relay Coil, A/C
Compressor Relay, Hot Fuel Module
FUEL SOL Fuel Solenoid (Diesel Engine)
GLOW PLUG Glow plugs (Diesel Engine)
HORN Horn, Underhood LampsName Circuits Protected
AUX FAN Auxiliary Fan
ECM
-1 Injectors, PCM/VCM
HTD ST
-FR Heated Front Seats
A/C Air Conditioning
HTD MIR Heated Outside Mirrors (If Equipped)
ENG
-1 Ignition Switch, EGR, Canister
Purge, EVRV Idle Coast Solenoid,
Heated O
2, Fuel Heater
(Diesel Engine), Water Sensor
(Diesel Engine)
HTD ST
-RR Not Used
LIGHTING Headlamp and Panel Dimmer
Switch, Fog and Courtesy Fuses
BATT Battery, Fuse Block Busbar
IGN
-A Ignition Switch
IGN
-B Ignition Switch
ABS Anti
-Lock Brake Module
BLOWER Hi Blower and Rear Blower Relays
STOP/HAZ Stoplamps
HEATED SEATS Heated Seats (If Equipped)

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Capacities and Specifications
Please refer to ªRecommended Fluids and Lubricantsº in the Index for more information.
Engine Identification -- Gasoline Engines
EngineªVORTECº 5700 ªVORTECº 7400
Type V8 V8
RPO Code L31 L29
VIN Code R J
Fuel System SFI* SFI*
*Sequential Fuel Injection
Wheels and Tires
MODEL DESCRIPTION TORQUE
C 1500 5 bolts (14 mm)
140 lb
-ft (190 N´m)
K 1500, C
-K 25006 bolts (14 mm)
140 lb-ft (190 N´m)
C
-K 25008 bolts (14 mm)
140 lb-ft (190 N´m)
Tire Pressure See the Certification/Tire label
on the rear edge of the driver's
door or the incomplete vehicle
document in the cab.

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6-68 Cooling System Capacity (Approximate)
After refill, the level must be rechecked. See ªCooling Systemº in the Index.
ENGINE VIN QTY Without Rear Heater QTY With Rear Heater
ªVORTECº 5700 V8 R 17.5 Quarts (16.5 L) 20 Quarts (19 L)
ªVORTECº 7400 V8 J 25 Quarts (23.5 L) 27.5 Quarts (26 L)
Crankcase Capacity (Approximate)
After refill, the level must be rechecked. Add enough engine oil so that the fluid is within the proper operating range.
See ªEngine Oilº in the Index.
ENGINE VIN
QUANTITY WITH FILTER

ªVORTECº 5700 V8 R 5 Quarts (4.8 L)
ªVORTECº 7400 V8 J 6.6 Quarts (6.3 L)

Oil filter should be changed at every oil change.
Fuel Tank Capacity (Approximate)
TYPE QUANTITY
Utility 30 Gallons (113 L)TYPE QUANTITY
Suburban
- Gasoline 44 Gallons (167 L)
Suburban
- Diesel 42 Gallons (159 L)
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 dealer.
See refrigerant charge label under the hood for charge capacity information and requirements.

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Normal Maintenance Replacement Parts -- Gasoline Engines
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.
EngineªVORTECº 5700 V8 ªVORTECº 7400 V8
VIN R J
Oil Filter
AC Type PF1218
AC Type PF1218
Air Cleaner Filter
AC Type A1300C

AC Type A1300C


PCV Valve AC Type CV769C AC Type CV774C
Spark Plugs
AC Type 41
-932 AC Type 41-932
Spark Plug Gap 0.060 in. (1.52 mm) 0.060 in. (1.52 mm)
Fuel Filter AC Type GF626 AC Type GF626
Wiper Blades (Front) GM Part No. 22154886 GM Part No. 22154886
Wiper Blade Type (Front) Trico Trico
Wiper Blade Length (Front) 18 inches (45.0 cm) 18 inches (45.0 cm)
Wiper Blade (Rear) GM Part No. 22154396 GM Part No. 22154396
Wiper Blade Type (Rear) Trico Trico
Wiper Blade Length (Rear) 14 inches (35.5 cm) 14 inches (35.5 cm)

Four
-Wheel-Drive Vehicles -- use a PF52 oil filter.


A1301C High
-capacity air cleaner filter.