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2008 Lexus GS460 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
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- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
- Raise vehicle off ground and support it with safety stands in proper locations.
- Remove bolts and nuts securing front exhaust pipe assembly.
- Remove four nuts, grommets and front floor heat insulator.
- Remove driveline with center bearing shaft using suitable tool.
- Make a reference mark across driveline and transmission companion flange and intermediate shaft.
- Remove bolts, washer, and nuts from companion flange. Driveline and flexible coupling should not be separated.
- Remove center support bearing mounting bolts.
- Push rear driveline straight forward to compress shaft and pull out dri...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Reset Procedures
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
The Low Tire Pressure indicator lamp will flash slowly and/or sound a chime when tire pressure is low. When the tire is inflated to the proper pressure the lamp and to...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
- Disconnect battery ground cable. After removing battery ground cable wait 90 seconds to prevent air bag and seat belt pretensioner activation.
- Remove clips securing v-bank cover.
- Remove clips securing cool air intake duct seal.
- Remove clips from lefthand engine side cover.
- Remove clips from righthand engine side cover.
- Raise vehicle on suitable lift.
- Remove both front wheel nuts and wheels.
- Remove bolts securing lefthand engine under cover.
- Remove bolts securing righthand engine under cover.
- Loosen bolts securing air cleaner cap subassembly.
- Loosen air cleaner hose from wiring harness...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2006 GS300, 2006-07 GS430, 2007-09 GS350, GS450h & 2008-09 GS460
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
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.
The cabin air filter cannot be removed with the A/C system in outside air mode.
- Open the glove compartment.
- Remove the partition plate by pulling outward, Fig. .
- Remove the cover located at the rear of the glove compartment.
- Through...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Lexus -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2008-09 GS460 -> Registration -> Relearn -> Reset -> System Initialization -> Tire Pressure Sensor & Transmitter -> TPMS ECU
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
Reset
The Low Tire Pressure indicator lamp will flash slowly and/or sound a chime when tire pressure is low. When the tire is inflated to the proper pressure the lamp and tone will turn Off. If the lamp remains On, a problem in the low tire warning system is present and the low tire warning system must be diagnosed and serviced to reset the warning lamp.
Relearn
Registration
TPMS ECU
If replacing the TPMS ECU, prior to removal, use a suitably programmed scan tool to read the registered transmitter identification number for all wheels and note them for registration.
- Connect a suitably pr...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at water inlet.
- Remove hose from water inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Lexus GS460 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Lexus GS460 4.6 V8 GAS
- Remove V-Bank engine cover subassembly.
- Remove air cleaner inlet cover subassembly.
- Remove bolt from air cleaner inlet.
- Remove air cleaner connector pipe by loosing clamps.
- Rotate or lift belt tensioner arm c...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Lexus GS460 AUTOMOBILES
Component location diagrams for most 2008 Lexus GS460 cars and light trucks sold in the U.S. from 1990+.
Engine Diagram for 2008 Lexus GS460 4.6 V8 GAS Components on diagram: |
Doors Diagram for 2008 Lexus GS460 4.6 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Lexus GS460 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Lexus GS460 cars and light trucks sold in the U.S.
2008 Lexus GS460 4.6 V8 GAS Wiring Diagram Components on diagram: |
2008 Lexus GS460 4.6 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Lexus GS460 AUTOMOBILES
OEM TSB listings for most 2008 Lexus GS460 cars and light trucks sold in the U.S. from 1985+.
Document: XM Satellite Radio Inoperative Until Ignition Key Is Cycled Vehicle: 2008 Lexus GS460 4.6 V8 GAS Auto Systems: |
Document: TIRE PRESSURE MONITORING SYSTEM (TPMS) TIRE REGISTRATION AND "LOST COMMUNICATION WITH ECU" Vehicle: 2008 Lexus GS460 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Lexus GS460 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Lexus GS460 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 2008 Lexus GS460 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 2008 Lexus GS460 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 2008 Lexus GS460 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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