fuel filter Lexus GS350 2008 Do-it-yourself maintenance / LEXUS 2008 GS460/350 OWNER'S MANUAL (OM30A87U)

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4-3. Do-it-yourself maintenance
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May 13, 2008 5:14 pm
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions.
■When working on the engine compartment
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator , exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily , such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the 12 volt battery.
Fuel and 12 volt battery fumes are flammable.
●Be extremely cautious when working on the 12 volt battery. It contains poisonous
and corrosive sulfuric acid.
■When working near the electric cooling fan or radiator grille
Be sure the “ENGINE START STOP” switch is OFF. 
With the “ENGINE START STOP” switch in IGNITION ON mode, the electric
cooling fan may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. ( P. 4 1 5 )
■Safety glasses
Wear safety glasses to prevent flying or fall ing material, fluid spray, etc. from getting
in the eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air. Also a backfire could cause a fire in the engine compartment.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
18VGRS40VGRS
19MAIN30H-LP R LWR and H-LP L LWR
20STARTER30Starting system
21LH J/B-B30FL DOOR, RL DOOR and RAD
NO.3
22VVT40Electronic engine control system
23EPS80EPS
24ALT180
RH J/B-AM, LH J/B-AM, E/G-AM,
RR JB, HEATER, DEFOG, FAN1,
FAN2, ABS2, ABS MOTOR, 
ABS MAIN1, and ABS MAIN2
25RH J/B-AM80
AM1, OBD, STOP SW, TI&TE, 
PWR OUTLET, FR P/SEAT RH, 
STR LOCK, ECU-IG RH, RH-IG, 
ACC, CIG, SECURITY, 
FR S/HTR RH and AIR SUS
26FA N 380Electric cooling fans
27LH J/B-AM80
S/ROOF, P/SEAT, TV, FL S-HTR,
ECU-IG L, WIP, H-LP LVL, LH-IG,
FUEL OPN, A/C, PANEL, LH-B and
TRK OPN
28ABS230ABS
29DEFFOG50Rear window defogger, noise filter
30CDS40CDS

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
24RR J/B80
STOP LP R, STOP LP L, RR-B, 
RR TAIL, RR FOG, RR-IG1, PSB, 
and RR S/SHADE
25GLW PLG150Starting system
26RH J/B-AM80
AM1, OBD, STOP SW, TI&TE, 
PWR OUTLET, FR P/SEAT RH, 
STR LOCK, ECU-IG RH, RH-IG, 
ACC, CIG, SECURITY, 
FR S/HTR RH and AIR SUS
27ABS230ABS
28DEFFOG50Rear window defogger, noise filter
29CDS40CDS
30FA N 140Electric cooling fans
31HEATER50Air conditioning system
32GLW PLG250Starting system
33E/G-AM60H-LP CLN, FR CTRL ALT, A/C
COMP and STB-AM
34LH J/B-AM80
S/ROOF, P/SEAT, TV, FL S-HTR,
ECU-IG L, WIP, H-LP LVL, LH-IG,
FUEL OPN, A/C, PANEL, LH-B and
TRK OPN
35FA N 260Electric cooling fans

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
10IG210Ignition system, noise filter and ECT
ECU
11EFI NO.210
Fuel system, exhaust system, multi-
port fuel injection system/sequential
multiport fuel injection system, elec-
tronic engine control system, leak
detection pump
12H-LP R LWR15Headlight low beam (right)
13H-LP L LWR15Headlight low beam (left)
14F/ P M P25Fuel system
15EFI25
Multiport fuel injection system/
sequential multiport fuel injection
system, ECT ECU
16INJ25
Multiport fuel injection system/
sequential multiport fuel injection
system
17H-LP UPR15Headlight high beams
18HORN10Horns
19WA S H E R20Windshield wipers and washer
20FR TAIL10Parking lights, side marker light
21FR FOG15Front fog lights

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4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
GS350
FuseAmpereCircuit
1FR CTRL-B25H-LP UPR and HORN
2A/F15Exhaust system
3ETCS10Electronic throttle control system
4ALT-S7. 5 Charging system
5H-LP CLN30Headlight cleaner
6A/C COMP7. 5 Air conditioning system
7DEICER25
8FR CTRL-AM30FR TAIL, FR FOG and WASHER
9IG210Ignition system and noise filter
10EFI NO.210Fuel system and exhaust system

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Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
JackPositioning a floor jack.................... 404
Replacing the wheel...........................512
Jack handle ............................................... 512
Keyless entry.............................................. 34
Keys Engine (ignition) switch ......................121
If the electronic key does 
not operate properly .................... 526
If you lose your keys......................... 525
Key number plate ................................. 20
Keys ............................................................. 20
Mechanical key...................................... 20
Wireless remote control key .......... 34
Lexus Link System ................................ 373
Light bulbs Replacing ............................................... 470
Wattage.................................................. 552
Light sensitive optitron meter ........... 134
Lights Fog light switch .....................................145
Headlights switch ................................ 142
Interior lights list.................................. 337
Replacing light bulbs........................ 470
Turn signal lever .................................. 130
Vanity lights ..........................................348
Wattage.................................................. 552 Maintenance
Do-it-yourself maintenance.........400
General maintenance..................... 396
Maintenance data ............................. 540
Maintenance requirements.......... 394
Meter Instrument panel light control ....... 133
Meters....................................................... 132
Micro dust and pollen filter ................ 221
Mirrors Inside rear view mirror ........................ 61
Side mirror heater..............................225
Side mirrors.............................................. 62
Vanity mirrors ..................................... 348
Moon roof....................................................67
MP3 disc...................................................247
Multi-information display ....................139
Odometer .................................................132
Oil Engine oil............................................... 409
Opener Fuel filler door .........................................70
Hood ....................................................... 403
Trunk............................................................ 42
Outer foot lights.................................... 337
Outside rear view mirrors Adjusting and folding .......................... 62
Mirror position memory .................... 47
Outside temperature 
display ..........................................140, 350
Overhead console ............................... 343
Overheating, Engine .......................... 533J
K
L
M
O

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GS_G_U
May 13, 2008 5:14 pm
GAS STATION INFORMATION
Auxiliary catch lever
P. 4 0 3
Trunk opener
P. 4 2
Fuel filler door
P. 7 0
Hood lock release lever
P. 4 0 3
Fuel filler door opener
P. 7 0
Tire inflation pressure
P. 5 5 0
Fuel tank capacity18.7 gal. (71 L, 15.6 Imp.gal.)
Fuel typePremium unleaded gasoline onlyP. 71, 543
Cold tire inflation 
pressureP. 5 5 0
Engine oil capacity
(Drain and refill)
With filter
Without filterqt. (L, Imp.qt.)
GS460 GS350 (2WD) GS350 (4WD)
9.1 (8.6, 7.6) 6.6 (6.3, 5.5) 6.7 (6.4, 5.6)
8.9 (8.4, 7.4) 6.2 (5.9, 5.2) 6.3 (6.0, 5.3)
Engine oil type“Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC multigrade engine oil P. 544