2008 Toyota Sienna REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


2008 Toyota Sienna CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 Toyota Sienna car and truck repair procedures including Toyota engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Toyota Sienna automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Toyota mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2008 Toyota Sienna vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna TIRE PRESSURE MONITORING SYSTEM PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna STARTER & ALTERNATOR REPLACEMENT PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna MAINTENANCE LAMP RESET PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna RADIATOR & HOSE REPLACEMENT PROCEDURES

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...

CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna SERPENTINE BELT SERVICE PROCEDURES

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 GASBrake and Traction Control Components Diagram for 2008 Toyota Sienna CE 3.5 V6 GAS

Components on diagram:
  • Front Speed Sensor
  • Body Lighting Components Diagram for 2008 Toyota Sienna CE 3.5 V6 GASBody Lighting Components Diagram for 2008 Toyota Sienna CE 3.5 V6 GAS

    Components on diagram:
  • MAP Light
  • Turn Signal Light
  • Stop Light
  • License Plate Light
  • Rear Combination Light
  • CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna PARTS/COMPONENTS LOCATION DIAGRAMS!

    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 Diagram2008 Toyota Sienna XLE 3.5 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Back Door Opener Switch
  • Back Door Lock Assembly
  • Power Back Door ECU
  • LH Power Back Door Touch Switch
  • 2008 Toyota Sienna XLE 3.5 V6 GAS Wiring Diagram2008 Toyota Sienna XLE 3.5 V6 GAS Wiring Diagram

    Components on diagram:
  • AC Control Assembly
  • Clearance Sonar ECU
  • LH Front Ultrasonic Sensor
  • RH Front Ultrasonic Sensor
  • LH Rear Center Ultrasonic Sensor
  • CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna WIRING DIAGRAMS!

    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:
  • Inoperative, No Response
  • Auto Systems:
  • Entertainment: Stereo, Radio, Cassettes
  • Document: BRAKE BOOSTER RATTLE/BUZZ NOISE
    Vehicle: 2008 Toyota Sienna CE 3.5 V6 GAS

    Symptoms:
  • Noise
  • Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna TECHNICAL SERVICE BULLETINS!

    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

    CLICK HERE TO GET FULL ACCESS TO 2008 Toyota Sienna SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2008 Toyota Sienna vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find