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2002 Toyota Sienna CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Toyota -> Electric Cooling Fans -> Component Replacement -> Avalon -> Camry & Camry Solara -> Celica -> Cooling Fan/Motor -> Corolla, Echo & Highlander -> MR2 -> No. 1 Cooling Fan -> No. 2 Cooling Fan -> RAV4 -> Sienna
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Cooling Fan/Motor
Avalon
No. 1 Cooling Fan
- Remove battery and tray.
- Disconnect cruise control actuator from body.
- Remove No. 3 engine room relay block from radiator.
- Disconnect cruise control actuator wire from clamp on fan shroud.
- Disconnect cooling fan electrical connector.
- Remove retaining bolts from cooling fan assembly.
- Remove fan blade attaching nut and fan.
- Remove fan motor to assembly attaching screws, then the motor.
- Reverse procedure to install, noting the following:
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BRAKE SERVICE PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Anti-lock Brakes -> Description -> Anti-Lock Brake System -> Brake Assist (BA) System -> Traction Control System (TRAC) -> Vehicle Skid Control (VSC) System
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Anti-Lock Brake System
By use of a micro-computer, this anti-lock brake system controls brake fluid pressure to prevent wheel lock. With this system, directional stability is improved and steerability maintained even at panic braking on wet, sandy, snowy or icy road conditions.
Traction Control System (TRAC)
The traction control system controls the engine torque and rear wheel br...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Toyota -> Fuel Filter Scheduled Maintenance -> 1986-06 Models -> Normal Service -> Severe Service
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Normal Service
Service as r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Disassemble
This procedure describes a driveline equipped with cardan joint in tube yoke. Driveline equipped with companion/slip yoke repeat steps to remove remaining cardan joint.
- Place driveshaft on suitable workbench. Do not damage driveshaft when servicing on workbench. Ensure driveline and components are reference marked to prevent driveline imbalance. Do not tighten driveshaft too tightly in a vise because this will cause driveline to become out of balance and result in driveline vibration.
- Tap outside of bearing cap with a drift to loosen snap ring.
- Remove snap ri...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Component Locations
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Refer toF...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Alternator, Replace
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
- Disconnect battery ground cable.
- Loosen alternator pivot bolt, adjusting lock bolt and adjusting bolt, then remove alternator be...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Toyota -> Air Bag Warning Lamp -> 1998-2003 Sienna
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
- Connect service wires to check connector terminals Tc and AB.
- Place ignition switch in Accessory or On positions and wait approximately 6 seconds.
- Apply body ground to terminals Tc and AB alternately, twice in 1 second intervals be...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp a...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Toyota Sienna AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Toyota Sienna AUTOMOBILES
Component location diagrams for most 2002 Toyota Sienna cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2002 Toyota Sienna AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Toyota Sienna cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Toyota Sienna AUTOMOBILES
OEM TSB listings for most 2002 Toyota Sienna cars and light trucks sold in the U.S. from 1985+.
Document: LONG TERM VEHICLE STORAGE GUIDELINES Vehicle: 2002 Toyota Sienna 3.0 V6 GAS Auto Systems: |
Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2002 Toyota Sienna 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Toyota Sienna AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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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