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1999 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!

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1999 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!
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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 1999 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:

A/C & HEATER SERVICE PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Toyota -> Component Replacement & Adjustment -> Instrument Panel, Replace -> 4Runner -> Avalon -> Camry -> Camry Solara -> Celica -> Corolla -> Echo -> Land Cruiser -> Paseo -> RAV4 -> Sienna -> Supra -> T100 -> Tacoma -> Tercel -> Tundra
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

Avalon
  • Remove front pillar garnish and door inside scuff plate, Fig. .
  • Remove hood lock release lever and cowl side trim.
  • Remove steering wheel, steering column cover and combination switch.
  • Remove lower finish panel assembly and instrument panel finish lower lefthand panel.
  • Remove fuse box bolt and parking brake release lever.
  • Remove No. 2 duct heater to register and No. 2 under cover and lower finish panel.
  • Remove glove compartment door and glove compartment.
  • Remove glove compartment door finish plate inside instrumen...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Anti-lock Brakes -> Diagnosis & Testing -> 1997-2000 4RUNNER -> 1997-2000 RAV4 -> 1997-2001 CAMRY W/BOSCH ABS -> 1997-2001 CAMRY W/NIPPONDENSO ABS -> 1997-2001 CAMRY W/TRAC -> 1998-2000 SIENNA LESS VSC -> 2001-02 4RUNNER -> 2001-02 RAV4 -> 2001-02 SIENNA LESS VSC -> 2002 CAMRY W/ABS, BA, TRAC & VSC -> 2002 CAMRY W/BOSCH ABS -> 2002 CAMRY W/DENSO ABS -> 4Runner -> ABS Warning Lamp -> Accessing Diagnostic Trouble Codes -> Anti-Lock Brake System (ABS) -> Avalon -> AVALON LESS TRAC -> AVALON W/TRAC -> Avalon, Camry, Celica, Corolla, Echo, MR2, RAV4, Paseo, Sienna, Supra & Tercel -> Brake Actuator -> Camry -> Camry Solara -> CAMRY SOLARA LESS TRAC -> CAMRY SOLARA W/TRAC -> CELICA -> Clearing Diagnostic Trouble Codes -> Component Testing -> Corolla -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Echo -> HIGHLANDER W/ABS, BA, TRAC & VSC -> HIGHLANDER W/BA & ABS -> Land Cruiser -> LAND CRUISER LESS VSC -> LAND CRUISER w/VSC -> Land Cruiser, Previa, Tacoma, T100 & 4Runner -> Less Toyota Hand Held Tester -> Less Toyota Hand-Held Tester -> MR2 -> PASEO -> Previa -> RAV4 -> Sequoia -> Sequoia & Tundra -> Sienna -> SIENNA W/VSC -> Speed Sensor -> Stop Lamp Switch -> Supra -> SUPRA LESS TRAC -> SUPRA W/TRAC -> System Testing -> T100 -> Tacoma -> Tc Terminal -> Tercel -> Traction Control (TRAC) Warning Lamp -> Ts Terminal -> Tundra -> Vehicle Skid Control (VSC) Warning Lamp -> Wiring Diagrams -> With Toyota Hand Held Tester -> With Toyota Hand-Held Tester
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

Accessing Diagnostic Trouble Codes

Less Toyota Hand-Held Tester
  • On Land Cruiser models, ensure center differential is free.
  • On all models, turn ignition switch to On position.
  • Disconnect short pin from Data Link Connector 1 (DLC1).
  • Connect terminals Tc and E1 or CG of DLC1 or DLC3 using tool No. 09843-18020, or equivalent, Figs. through .
  • Read and record number of times ANTI-LOCK warning lamp flashes.
  • If system is operating properly, (no faults) warning lamp will blink once every .25 seconds.
  • Connect actuator check connector and ensure proper operation.
With Toyota Hand-Held Tester
  • O...

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CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Toyota -> Fuel Filter Replacement -> 1998-03 Sienna -> Fuel System Pressure Relief -> Models Less Union Bolt Fuel Line Connection -> Models w/Union Bolt Fuel Line Connection -> Removal & Installation
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

Fuel System Pressure Relief

Models w/Union Bolt Fuel Line Connection
  • Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
  • Disconnect the battery ground cable.
  • Remove the fuel fill cap to release fuel tank pressure.
  • Place a shop towel over the union bolt at top of fuel filter. Slowly loosen the union bolt allowing fuel pressure to bleed down.
  • Whenever the union bolt is loosened to relieve fuel system pressure, always replace the bolt gasket.
Models Less Union Bolt Fuel Line Connection
  • Obtain the vehicle owners radio theft prot...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

CV AXLE SHAFT, Replace -> Front
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

Front

  • Remove front wheel.
  • Remove drain plug from transaxle and drain oil into suitable container.
  • Remove front brake caliper and disc.
  • Remove drive shaft lock nut, Fig. .
  • Remove ABS speed sensor and wire harness clamp.
  • Disconnect tie rod from steering knuckle using a suitable tie rod removal tool.
  • Disconnect lower ball joint from lower suspension arm.
  • Remove steering knuckle with axle hub.
  • Remove axle hub from knuckle using suitable tool.
  • Push front axle hub toward outs...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Reset Procedures
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

This warning lamp will illuminate when tire pressure falls below a specified psi. When the warning lamp illuminates, check the air...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna TIRE PRESSURE MONITORING SYSTEM PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Alternator, Replace
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

  • Disconnect battery ground cable.
  • Loosen alternator pivot bolt, adjusting lock bolt and adjusting bolt, then remove alternator be...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Toyota -> Malfunction Indicator Lamp (MIL) ->
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

On some models equipped with OBD II, the MIL will also illuminate if the fuel tank filler cap is not properly tightened. Tighten fuel tank filler cap until it clicks.

The MIL should light when the ignition switch is placed in the On position without starting the engine. When the engine is started, the lamp should go out. If it remains lit, a fault has been detected by the diagnostic system and has logged a diagnostic trouble code. If the fault does not occur again within three trips, the lamp will go out but a diagnostic tro...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Radiator, Replace
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

  • Drain engine coolant into suitable container.
  • Disconnect No. 1 and No. 2 electric cooling fan connectors.
  • Remove upper radiator hose from radiator.
  • Remove lower radiator hose from water inlet pipe.
  • Remove two oil cooler hoses from oil cooler pipes.
  • Remove two u...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 1999 Toyota Sienna AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

  • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 1999 Toyota Sienna AUTOMOBILES

Component location diagrams for most 1999 Toyota Sienna cars and light trucks sold in the U.S. from 1990+.

Body Connector Locations, P6 Through V6 Diagram for 1999 Toyota Sienna  3.0 V6 GASBody Connector Locations, P6 Through V6 Diagram for 1999 Toyota Sienna 3.0 V6 GAS

Components on diagram:
  • Rear Wiper Motor
  • Rear Window Defogger
  • Rear Speaker LH
  • Rear Speaker RH
  • Power Window Master Switch
  • I/P Relay Locations Diagram for 1999 Toyota Sienna  3.0 V6 GASI/P Relay Locations Diagram for 1999 Toyota Sienna 3.0 V6 GAS

    Components on diagram:
  • Engine Control Module
  • A/C Amplifier
  • Integration Relay
  • Theft Deterrent ECU
  • Cruise Control ECU
  • CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1999 Toyota Sienna AUTOMOBILES

    OEM drawn wiring diagrams for most 1999 Toyota Sienna cars and light trucks sold in the U.S.

    1999 Toyota Sienna  3.0 V6 GAS Wiring Diagram1999 Toyota Sienna 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Integration Relay
  • Slide Door ECU
  • Power Slide Door Front Control Switch
  • 1999 Toyota Sienna  3.0 V6 GAS Wiring Diagram1999 Toyota Sienna 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Front Wiper Motor
  • Rear Wiper Motor
  • Rear Wiper And Washer Switch
  • CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1999 Toyota Sienna AUTOMOBILES

    OEM TSB listings for most 1999 Toyota Sienna cars and light trucks sold in the U.S. from 1985+.

    Document: LONG TERM VEHICLE STORAGE GUIDELINES
    Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: SEAT BELT TONGUE PLATE STOPPER REPLACEMENT - REVISED
    Vehicle: 1999 Toyota Sienna 3.0 V6 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1999 Toyota Sienna AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 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 1999 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 1999 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 1999 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 1999 Toyota Sienna SPECIFICATIONS DATA!

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