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2008 Lexus IS250 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
- 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 IS250 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 Lexus IS250 2.5 V6 GAS
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and rear wheels.
- Remove bolt and nut and separate load sensing valve bracket and stabilizer link assembly.
- Remove bolts from suspension member brace.
- Remove bolts and separate parking brake cable.
- Release staked part of axle shaft nut using suitable tool.Release staked part of nut completely or threads of driveshaft may be damaged.
- Apply brake pedal and remove axle shaft nut.
- Remove bolts and separate speed sensor from axle carrier. Use care not to damage speed sensor and prevent f...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Lexus IS250 AUTOMOBILES
Component Locations
Vehicle: 2008 Lexus IS250 2.5 V6 GAS
Refer toFigs...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Lexus IS250 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Lexus IS250 2.5 V6 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 cool air intake duct seal.
- Remove clips securing v-bank cover.
- Raise vehicle on suitable lift.
- Remove clips securing lefthand engine side cover.
- Remove bolts and clamp air cleaner inlet assembly.
- Remove air cleaner cap subassembly.
- Remove bolts securing air cleaner case subassembly.
- Rotate or lift belt tensioner arm counterclockwise using a suitable tool to relieve tension from drive belt.
- Remove drive belt.
- Remove radiato...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Lexus IS250 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2006-09 IS250, IS350 & 2008-09 IS F
Vehicle: 2008 Lexus IS250 2.5 V6 GAS
The cabin air filter should be cleaned every 18 months or 15,000 miles and replaced every 36 months or 30,000 miles. In dusty areas change the cabin air filter more often.
- Open the glove compartment.
- Rem...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Lexus IS250 AUTOMOBILES
Lexus -> Low Coolant Lamp ->
Vehicle: 2008 Lexus IS250 2.5 V6 GAS
This lamp will be illuminated when the coolant level in the radiator drops below a pre-determined point. To reset the lamp, bring the c...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Lexus IS250 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Lexus IS250 2.5 V6 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 IS250 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Lexus IS250 2.5 V6 GAS
- Remove air intake duct seal.
- Remove bolts from air cleaner inlet.
- Remove V-Bank engine cover subassembly.
- Rotate or lift belt tensioner arm counterclockwise, using a suitable...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Lexus IS250 AUTOMOBILES
Component location diagrams for most 2008 Lexus IS250 cars and light trucks sold in the U.S. from 1990+.
Body Control Modules Diagram for 2008 Lexus IS250 2.5 V6 GAS Components on diagram: |
Passenger Compartment Components Diagram for 2008 Lexus IS250 2.5 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Lexus IS250 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Lexus IS250 cars and light trucks sold in the U.S.
2008 Lexus IS250 2.5 V6 GAS Wiring Diagram Components on diagram: |
2008 Lexus IS250 2.5 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Lexus IS250 AUTOMOBILES
OEM TSB listings for most 2008 Lexus IS250 cars and light trucks sold in the U.S. from 1985+.
Document: F-Sport Rear Coil Spring Click Noise Vehicle: 2008 Lexus IS250 2.5 V6 GAS Symptoms: |
Document: XM Satellite Radio Inoperative Until Ignition Key Is Cycled Vehicle: 2008 Lexus IS250 2.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Lexus IS250 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Lexus IS250 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 IS250 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 IS250 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 IS250 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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