engine TOYOTA TUNDRA 2003 1.G Owners Manual

’03 TUNDRA_U (L/O 0307)
4
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Stop/tail/rear side marker
lights 303,304 . . . . . . . . . . . . . . . . . . . . . . .
Light bulbs, Replacing 299 . . . . . . . . . . . . . . . .
Light, Interior
Ignition switch light 95 . . . . . . . . . . . . . . . . . .
Interior light 94 . . . . . . . . . . . . . . . . . . . . . . . .
Personal light 95 . . . . . . . . . . . . . . . . . . . . . . .
Step light 95 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limited slip differential 197 . . . . . . . . . . . . . . . .
Load capacity 208 . . . . . . . . . . . . . . . . . . . . . . . .
Lock
Front doors 12 . . . . . . . . . . . . . . . . . . . . . . . . .
Steering column 112 . . . . . . . . . . . . . . . . . . .
Tailgate 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low engine oil pressure warning
light 104 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low fuel level warning light 104 . . . . . . . . . . . .
Low windshield washer fluid level warning light 104 . . . . . . . . . . . . . . . . . . . . . . .
M
Maintenance
Do −it−yourself maintenance 274 . . . . . . . . .
Does your vehicle need repairing? 269 . . . . . . . . . . . . . . . . . . . . . . .
General maintenance 267 . . . . . . . . . . . . . . .
Maintenance requirements 266 . . . . . . . . . .
Parts and tools 276 . . . . . . . . . . . . . . . . . . . . .
Where to go for service 266 . . . . . . . . . . . . .
Malfunction indicator lamp 270 . . . . . . . . . . . .
Malfunction indicator lamp
Emissions Inspection and Maintenance (I/M) programs 104 . . . . . . .
Service reminder indicator 104 . . . . . . . . . . Manual transmission
Driving with a manual transmission 117 . . . . . . . . . . . . . . . . . . . . .
Shift pattern 117 . . . . . . . . . . . . . . . . . . . . . . .
Shifting speed 117 . . . . . . . . . . . . . . . . . . . . .
Maximum allowable speed
Automatic transmission 113 . . . . . . . . . . . . .
Manual transmission 117 . . . . . . . . . . . . . . .
Mirror
Anti −glare inside rear view 88
. . . . . . . . . . .
Mirrors
Folding rear view 88
. . . . . . . . . . . . . . . . . . . .
Outside rear view 87
. . . . . . . . . . . . . . . . . . .
Power rear view 87
. . . . . . . . . . . . . . . . . . . . .
Vanity 90
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N
New vehicle break −in 187 . . . . . . . . . . . . . . . . .
Note pad holder 182 . . . . . . . . . . . . . . . . . . . . . .
O
Odometer 103
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Off −road driving precautions 217
. . . . . . . . . .
Off −road vehicle precautions 186
. . . . . . . . . .
Oil
Consumption 192
. . . . . . . . . . . . . . . . . . . . . .
Power steering 285
. . . . . . . . . . . . . . . . . . . . .
Pressure gauge 101
. . . . . . . . . . . . . . . . . . . .
Viscosity and grade 280
. . . . . . . . . . . . . . . .
Oil consumption 192
. . . . . . . . . . . . . . . . . . . . .
Open door warning light 104
. . . . . . . . . . . . . . .
Operation in foreign countries 189
. . . . . . . . . Outside rear view mirror heaters 98
. . . . . . . .
Overdrive switch 113
. . . . . . . . . . . . . . . . . . . . .
Overheating, Engine 238
. . . . . . . . . . . . . . . . . .
Overheating, Engine coolant 100
. . . . . . . . . .
Overview
Engine compartment 272
. . . . . . . . . . . . . . .
P
Parking brake
Operation 123 . . . . . . . . . . . . . . . . . . . . . . . . .
Reminder light 123 . . . . . . . . . . . . . . . . . . . . .
Passenger airbag manual on −off
switch 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Polishing 261 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power outlet 167 . . . . . . . . . . . . . . . . . . . . . . . . .
Power rear view mirror control 87 . . . . . . . . . .
Power rear window 21 . . . . . . . . . . . . . . . . . . . .
Power steering
Fluid level 285 . . . . . . . . . . . . . . . . . . . . . . . . .
Power window switches 18 . . . . . . . . . . . . . . . .
Preloaders
(seat belt pretensioners) 45 . . . . . . . . . . . . .
Pretensioners
(seat belt pretensioners) 45
. . . . . . . . . . . . .
Protecting your Toyota from
corrosion 260
. . . . . . . . . . . . . . . . . . . . . . . . . .
R
Radiator
Checking the radiator 284 . . . . . . . . . . . . . . .
Coolant, Engine 282 . . . . . . . . . . . . . . . . . . . .
Radio 128 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

’03 TUNDRA_U (L/O 0307)
5
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Rear console box173,174
. . . . . . . . . . . . . . . .
Rear side windows 20
. . . . . . . . . . . . . . . . . . . .
Rear step bumper 196
. . . . . . . . . . . . . . . . . . . .
Rear view mirror
Anti −glare inside 88
. . . . . . . . . . . . . . . . . . . .
Rear view mirrors
Folding 88
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside 87
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 87
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear window 21
. . . . . . . . . . . . . . . . . . . . . . . . .
Remote keyless entry system 14,258 . . . . . .
Reporting safety defects for U.S.
owners 320
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
S
Seat adjustment precautions
Front seats 31 . . . . . . . . . . . . . . . . . . . . . . . . .
Seat belt extender 43 . . . . . . . . . . . . . . . . . . . . .
Seat belts
Cleaning 262 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fastening 38 . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat belt precautions 38 . . . . . . . . . . . . . . . .
Seat belt pretensioners 45 . . . . . . . . . . . . . .
Seating capacity 208 . . . . . . . . . . . . . . . . . . . . .
Seats 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security system 24 . . . . . . . . . . . . . . . . . . . . . . .
Service and maintenance 266 . . . . . . . . . . . . .
Service reminder indicator 104 . . . . . . . . . . . .
Side steps 197 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spare fuse 298 . . . . . . . . . . . . . . . . . . . . . . . . . .
Spare tire 241,242 . . . . . . . . . . . . . . . . . . . . . . .
Spark plugs
Twin ground electrode spark plugs 193 . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications 308
. . . . . . . . . . . . . . . . . . . . . . .
SRS driver airbag and front passenger airbag 47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS warning light 104 . . . . . . . . . . . . . . . . . . . .
Starting
Cold weather 214 . . . . . . . . . . . . . . . . . . . . . .
Engine 214 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump starting 235 . . . . . . . . . . . . . . . . . . . . . .
Steering
Tilt steering wheel 86 . . . . . . . . . . . . . . . . . . .
Steering column
Column lock 112 . . . . . . . . . . . . . . . . . . . . . . .
Steering switches, Audio remote control 150 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
StepSide bed 197 . . . . . . . . . . . . . . . . . . . . . . . .
Sun visors 89 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension and chassis 199 . . . . . . . . . . . . . .
Swing −up rear seats 36 . . . . . . . . . . . . . . . . . . .
Switch
Emergency flasher 93 . . . . . . . . . . . . . . . . . .
Headlight, dimmer and turn signal 92 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition 112 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside rear view mirror heaters 98 . . . . . .
Overdrive 113 . . . . . . . . . . . . . . . . . . . . . . . . .
Passenger airbag manual on −off 56 . . . . . .
Windshield wiper and washer 96,97 . . . . . .
T
Tachometer 102
. . . . . . . . . . . . . . . . . . . . . . . . .
Tailgate 22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft prevention labels 199
. . . . . . . . . . . . . . .
Three −way catalytic converters 190 . . . . . . . .
Tilt steering wheel 86
. . . . . . . . . . . . . . . . . . . . . Tires
Changing 239
. . . . . . . . . . . . . . . . . . . . . . . . . .
Checking and replacing 289
. . . . . . . . . . . . .
Flat tire 239
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation pressure 286,316
. . . . . . . . . . . . . .
Replacing wheels 294
. . . . . . . . . . . . . . . . . .
Rotating tires 291
. . . . . . . . . . . . . . . . . . . . . .
Size 202,316
. . . . . . . . . . . . . . . . . . . . . . . . . .
Snow tires and chains 292
. . . . . . . . . . . . . .
Spare 241,242
. . . . . . . . . . . . . . . . . . . . . . . . .
Symbols 200
. . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Identification Number (TIN) 201 . . . . . .
Tire related terms 205
. . . . . . . . . . . . . . . . . .
Tools 241,242
. . . . . . . . . . . . . . . . . . . . . . . . . . .
To w i n g
Capacity 208
. . . . . . . . . . . . . . . . . . . . . . . . . .
Dinghy towing 219
. . . . . . . . . . . . . . . . . . . . .
Emergency towing 254,255
. . . . . . . . . . . . .
Emergency towing hook precautions 256
. . . . . . . . . . . . . . . . . . . . . .
If your vehicle needs to be towed 252
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Tips for towing a stuck vehicle 257 . . . . . . .
Trailer 220
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Toyota vehicle intrusion protection system 24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer towing 220
. . . . . . . . . . . . . . . . . . . . . . . .
Trip meter 103
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn signals 92
. . . . . . . . . . . . . . . . . . . . . . . . . .
TVIP 24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Types of tires 211
. . . . . . . . . . . . . . . . . . . . . . . .

’03 TUNDRA_U (L/O 0307)
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Publication No. OM34430U
Part No. 01999-34430
Printed in Japan 01−0307 −00
\b
 ( U)
Quick index
If a service reminder indicator or warning buzzer comes on NO TAG . . . .
 If your vehicle will not start NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your engine stalls while driving NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
 If you have a flat tire NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
 If your vehicle needs to be towed NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period NO TAG . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 General maintenance NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 Complete index NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . .
Gas station information
Fuel type:
UNLEADED gasoline, Octane Rating 87 (Research Octane Number 91)
or higher
See page NO TAG for detailed information.
Fuel tank capacity: 100 L (26.4 gal., 22.0 lmp. gal.)
Engine oil:
API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is recom-
mended.
See page NO TAG for detailed information.
Automatic transmission fluid: Toyota Genuine ATF Type T −IV
See page NO TAG for detailed information.
Tire information: See pages 286 through NO TAG.
Tire inflation pressure: See page NO TAG.
sU −8
B

’03 TUNDRA_U (L/O 0307)
2003 TUNDRA from Jul. ’03 Prod. (OM 34430U)
Where to obtain the
Repair Manual
The repair manual for TOYOTA TUNDRA, writ-
ten in English, may be purchased as applicable
from any Toyota dealer.
Pub. Name: 2003 TOYOTA TUNDRA Repair Manual
Pub. No.: RM956U1 RM956U2
Maintenance procedures for the engine,
chassis, body, electric al system, and more,
are clearly explained and illustrated.
Periodic maintenance and tuneup
Periodic maintenance and tuneup helps to pre-
vent small problems from growing into larger ones lat-
er on. The repair manual outlines exactly what main-
tenance is required and clearly explains how to do the
work yourself stepbystep.
Areas covered include such things as spark plug re-
placement, valve clearance adjustment and engine oil
and filter replacement.