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2008 Lexus GS350 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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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 GS350 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2008 Lexus GS350 3.5 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Unstake front axle hub using suitable tool. Release staked part of nut completely or threads of driveshaft may be damaged.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Apply brake and remove axle hub nut.
- Disconnect speed sensor harness clip and separate sensor wire and hose from shock absorber. Do not damage speed sensor when disconnecting.
- Remove bolt securing speed sensor.
- Remove bolt and nuts and remove lower ball joint steering k...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Lexus GS350 AUTOMOBILES
Component Locations
Vehicle: 2008 Lexus GS350 3.5 V6 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Lexus GS350 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Lexus GS350 3.5 V6 GAS
- Disconnect battery ground cable. After removing battery ground cable wait 90 seconds to prevent air bag and seat belt pretensioner activation.
- Raise vehicle on suitable lift.
- Remove bolts securing lefthand engine under cover.
- Remove bolts securing righthand engine under cover.
- Remove clips securing cool air intake duct seal.
- Remove nuts securing v-bank cover.
- Discharge refrigerant using suitable tool.
- Remove air cleaner cap subassembly.
- Remove bolts and clamp air cleaner inlet assembly.
- Remove bolts securing air cleaner case subassembly.
- Remove hose from coolant reservoir. Drain coola...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Lexus GS350 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2006 GS300, 2006-07 GS430, 2007-09 GS350, GS450h & 2008-09 GS460
Vehicle: 2008 Lexus GS350 3.5 V6 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 GS350 AUTOMOBILES
Lexus -> Low Oil Level Warning Indicator ->
Vehicle: 2008 Lexus GS350 3.5 V6 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 2008 Lexus GS350 AUTOMOBILES
Radiator, Replace
Vehicle: 2008 Lexus GS350 3.5 V6 GAS
- Disconnect cable from negative battery terminal. Wait at least 90 seconds after disconnecting cable from negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- Raise vehicle.
- Remove engine under cover.
- Drain engine coolant into a suitable container.
- Lower vehicle.
- Remove cool air intake duct seal.
- Remove engine room right hand side cover.
- Remove engine room left hand side cover.
- Remove engine cover sub-assembly.
- Remove no. 1 air cleaner inlet.
- Remove radiator reservoir assembly as follows:
- Disconnect reservoir hose from water inlet.
- Remove two bolts, reserv...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Lexus GS350 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Lexus GS350 3.5 V6 GAS
- Remove air intake duct seal.
- Remove air cleaner inlet.
- Remove radiator reservoir tank assembly, then lay aside.
- Rotate or lift belt tensioner arm counterclockwise, using a suitable...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Lexus GS350 AUTOMOBILES
Component location diagrams for most 2008 Lexus GS350 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Lexus GS350 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Lexus GS350 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Lexus GS350 AUTOMOBILES
OEM TSB listings for most 2008 Lexus GS350 cars and light trucks sold in the U.S. from 1985+.
Document: XM Satellite Radio Inoperative Until Ignition Key Is Cycled Vehicle: 2008 Lexus GS350 3.5 V6 GAS Auto Systems: |
Document: TIRE PRESSURE MONITORING SYSTEM (TPMS) TIRE REGISTRATION AND "LOST COMMUNICATION WITH ECU" Vehicle: 2008 Lexus GS350 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Lexus GS350 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Lexus GS350 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 GS350 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 GS350 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 GS350 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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