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2003 Lexus GX470 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Air Bag System Precautions -> Lexus -> Arming
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
For Lexus LX 450 & LX 470 Information, Refer to "Land Cruiser" In "Toyota."
- Ensure ignition is in Lock position.
- Connect battery ground cable. Ensure no one is inside vehicle when connecting battery ground cable.
- Wait at least 10 seconds before turning ignition from Lock position.
- Fr...
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Lexus -> Hydraulic Brake Systems -> Troubleshooting
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
Refer to Fig. f...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Lexus -> Fuel Filter Scheduled Maintenance -> -> Normal Service -> Severe Service
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
Normal Service
Manufacturer does not specify service interval
...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
Front
- Raise vehicle off ground and support it with safety stands in proper locations.
- Remove bolts securing transmission undercover.
- Remove bolts securing rear engine undercover.
- Make a reference mark across driveline and differential companion flange.
- Remove bolts, washer, and nuts from companion flange.
- Make a reference mark on driveline shaft flange and transfer flange.
- Remove nuts and washers and front driveline shaft assembly.
- Reverse procedure to install noting the following:
- Torque driveline to differential companion flange mountin...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Starter, Replace
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
- Disconnect battery ground cable.
- Remove V-bank cover, then disconnect accelerator cable.
- Remove intake air connector, then remove intake manifold.
- Remove starter attaching bolts, then disconnect starter e...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2003-09 GX470
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
On 2003-04 models, the cabin air filter should be replaced every 7,500 miles. The filter should be replaced more often if air flow is less than normal.
On 2005-06 models, under normal operating conditions the cabin air filter should be replaced every 12 months or 10,000 miles. In dusty areas change the cabin air filter more often.
On 2007-09 models, under normal operating conditions the cabin air filter should be cleaned every 18 months or 15,00 miles and replaced 36 months or 30,000 miles. In dusty areas change the cabin air filter more often.
- Open the glove compartment.
- Unhook the c...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Lexus -> Low Oil Level Warning Indicator ->
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
This lamp lights to indicate that the engine oil level is below a specified level. The lamp will be illuminated during engine start-up. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
- Remove engine under cover, the drain engine coolant into a suitable container.
- Disconnect radiator reservoir hose from radiator, then radiator upper hose from radiator.
- Disconnect radiator lower hose from radiator, then the automatic transmission oil cooler hoses from radiator, Fig. .
- Remove radiator reservoir tank, then the automatic transmission oil cooler hoses from clamp on radiator s...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Lexus GX470 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Lexus GX470 4.7 V8 GAS
- Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relieve tension...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Lexus GX470 AUTOMOBILES
Component location diagrams for most 2003 Lexus GX470 cars and light trucks sold in the U.S. from 1990+.
Body And Instrument Panel Component Locations Diagram for 2003 Lexus GX470 4.7 V8 GAS Components on diagram: |
Body Component Locations Diagram for 2003 Lexus GX470 4.7 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Lexus GX470 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Lexus GX470 cars and light trucks sold in the U.S.
2003 Lexus GX470 4.7 V8 GAS Wiring Diagram Components on diagram: |
2003 Lexus GX470 4.7 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Lexus GX470 AUTOMOBILES
OEM TSB listings for most 2003 Lexus GX470 cars and light trucks sold in the U.S. from 1985+.
Document: Exterior Mirrors Will Not Automatically Return When Shifting from Reverse to Drive Vehicle: 2003 Lexus GX470 4.7 V8 GAS |
Document: A750 TRANSMISSION SOLENOID IDENTIFICATION Vehicle: 2003 Lexus GX470 4.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Lexus GX470 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Lexus GX470 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 Lexus GX470 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 Lexus GX470 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 Lexus GX470 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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