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2008 Toyota Sienna CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota 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 Toyota Sienna AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 Toyota Sienna LE 3.5 V6 GAS
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- On models equipped with 4WD, drain transaxle oil in suitable container.
- On all models, unstake wheel hub nut using suitable tool but do not remove nut.
- Apply brakes and remove lefthand driveline nut.
- Remove nut and separate lefthand front stabilizer link assembly. If ball joint turns together with nut use 6mm tool to hold stud.
- Disconnect ABS wheel speed sensor and remove bolt securing lefthand flexible hose from shock absorber.
- Remove bolt and separate speed sen...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Relearn Procedures -> Initialization -> Registration -> TPMS Pressure Warning Valve & Transmitter
Vehicle: 2008 Toyota Sienna CE 3.5 V6 GAS
Initialization
- Ensure tires are inflated to the specified pressure.
- Place the ignition switch in the On position.
- Press and hold the reset switch for 3 seconds or more until the TPMS warning lamp flashes 3 times and then turns off, indicating the system initialization has begun.
- The ignition switch must be left in the on position for at least 7 minutes for initialization to complete.
- Place the ignition switch in the Off position.
- Connect a suitable scan tool to DLC3 located under left side of instrument panel.
- Place the ignition switch in the On position.
- On scan tool select Tire Pre...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Toyota Sienna XLE 3.5 V6 GAS
- Remove V-bank cover subassembly.
- Remove righthand front wheel.
- Remove No. 1 engine under cover.
- Remove righthand front fender apron seal.
- Drain engine coolant into a suitable container.
- Remove No. 2 air cleaner inlet.
- Remove battery.
- Remove front bumper assembly.
- Remove front bumper energy absorber.
- Remove No. 1 air cleaner inlet.
- Disconnect radiator reserve tank hose or pipe.
- Disconnect No. 1 radiator hose.
- Disconnect No. 2 radiator hose.
- Remove hood lock release lever protector.
- Remove hood lock assembly.
- Remove hood lock support subassembly.
- Disconnect cooling fan ECU connector.
- Remove ra...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Cabin Air Filter Service -> Toyota -> 2007-09 Sienna
Vehicle: 2008 Toyota Sienna CE 3.5 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. The filter should be replaced more often if air flow is less than normal.
- Open the glove compartment door, then slide off the damper rod, Fig. .
- Push inward on each side of the glove compartment to disconnect the claws, Fig. .
- Remove the cabin air filter case f...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Toyota -> Tire Pressure Warning Lamp -> 2007-09 Sienna -> Registration -> Relearn -> Reset -> System Initialization -> Tire Pressure Sensor & Transmitter -> TPMS ECU
Vehicle: 2008 Toyota Sienna LE 3.5 V6 GAS
Reset
This warning lamp will illuminate when tire pressure falls below a specified psi. When the warning lamp illuminates, check the air pressure of the tire and adjust it to specified pressure. When the vehicle is driven more than 18 mph after the adjustment, the lamp will go off.
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 programmed scan tool to DLC3 located under the LH side of the instrument pa...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Radiator, Replace
Vehicle: 2008 Toyota Sienna XLE 3.5 V6 GAS
- Disconnect battery ground cable.
- Remove engine cover sub-assembly.
- Remove No. 1 engine under cover.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Remove No. 2 air cleaner inlet.
- Remove battery.
- Remove front bumper assembly.
- Remove front bumper energy absorber.
- Remove No. 1 air cleaner inlet.
- Disconnect radiator reserve tank hose or pipe from radiator.
- Disconnect both connections of No. 1 radiator hose from radiator.
- Disconnect No. 2 radiator hose from radiator.
- Disengage four claws and remove hood lock release lever protector.
- On models with Hood Court...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Toyota Sienna AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Toyota Sienna Limited 3.5 V6 GAS
- Raise and support vehicle.
- Remove right front wheel.
- Remove bolts from righthand fender apron seal, then remove apron seal.
- Rotate or lift belt tensioner arm counterclockwise, usi...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Toyota Sienna AUTOMOBILES
Component location diagrams for most 2008 Toyota Sienna cars and light trucks sold in the U.S. from 1990+.
Brake and Traction Control Components Diagram for 2008 Toyota Sienna CE 3.5 V6 GAS Components on diagram: |
Body Lighting Components Diagram for 2008 Toyota Sienna CE 3.5 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Toyota Sienna AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Toyota Sienna cars and light trucks sold in the U.S.
2008 Toyota Sienna XLE 3.5 V6 GAS Wiring Diagram Components on diagram: |
2008 Toyota Sienna XLE 3.5 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Toyota Sienna AUTOMOBILES
OEM TSB listings for most 2008 Toyota Sienna cars and light trucks sold in the U.S. from 1985+.
Document: XM SATELLITE RADIO INOPERATIVE UNTIL IGNITION KEY IS CYCLED Vehicle: 2008 Toyota Sienna CE 3.5 V6 GAS Symptoms: |
Document: BRAKE BOOSTER RATTLE/BUZZ NOISE Vehicle: 2008 Toyota Sienna CE 3.5 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Toyota Sienna AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Toyota Sienna 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 Toyota Sienna 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 Toyota Sienna 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 Toyota Sienna 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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