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2004 Toyota Sienna CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 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!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Toyota -> Automatic Temperature Control System Diagnosis & Testing -> Diagnosis & Testing, Sienna -> 2003 -> 2004 -> A/C Control Display -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Less Scan Tool -> Scan Tool
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
For component inspection not covered, refer to .
Accessing Diagnostic Trouble Codes
Scan Tool
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow scan tool manufacturer's instructions.
A/C Control Display
If the A/C compressor locks up during operation, the HVAC assembly A/C switch indicator will begin blinking. Inspect for compressor lock DTC 22, then inspect the circuit or component.
Entering diagnosis inspection modes is possible by operating each A/C control switch as illustrated, Fig. .
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BRAKE SERVICE PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Toyota -> Rear Disc & Parking Brakes -> Tightening Specifications
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Toyota -> Fuel Filter Scheduled Maintenance -> 1986-06 Models -> Normal Service -> Severe Service
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
Normal Service
Service as r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2004 Toyota Sienna 3.3 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 2004 Toyota Sienna AUTOMOBILES
Component Locations
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
Refer toF...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Starter, Replace
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
- Disconnect battery ground cable.
- Remove battery.
- Remove battery tray.
- Disconnect VSV connector.
- Remove wire harness clamp.
- Remove two bolts and air cleaner inlet No. 2.
- Disconnect mass air flow meter connector.
- Disconnect three vacuum hoses.
- Loosen two air cleaner cap bolts.
- Loosen air cleaner hose clamp bolt and remove air cleaner cap together with air cleaner hose No. 1.
- Remove air cleaner filter element.
- Remove wire harness clamp.
- Remove wire harness from wire harness clamp.
- Remove three bolts and air cleaner case.
- Remove tw...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Toyota -> Engine Oil Reminder/Maintenance Required Lamp -> 2004-09 Sienna
Vehicle: 2004 Toyota Sienna 3.3 V6 GAS
To reset Oil Replacement Reminder light, turn ignition on and make sure that the ODO/TRIP display screen is in the ODO mode. (Reset procedure will not work in the TRIP mode) Turn ignition to Off position while pressing the ODO/TRIP switch button, turn ignition On. Hold button down through entire reset procedure. The light should illuminate for...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Toyota Sienna AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2004 Toyota Sienna 3.3 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 2004 Toyota Sienna AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Toyota Sienna 3.3 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 2004 Toyota Sienna AUTOMOBILES
Component location diagrams for most 2004 Toyota Sienna cars and light trucks sold in the U.S. from 1990+.
 Power Window Control System Diagram for 2004 Toyota Sienna 3.3 V6 GASComponents on diagram: |
 Power Door Lock Control System Diagram for 2004 Toyota Sienna 3.3 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Toyota Sienna AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Toyota Sienna cars and light trucks sold in the U.S.
 2004 Toyota Sienna 3.3 V6 GAS Wiring DiagramComponents on diagram: |
 2004 Toyota Sienna 3.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Toyota Sienna AUTOMOBILES
OEM TSB listings for most 2004 Toyota Sienna cars and light trucks sold in the U.S. from 1985+.
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Document: BRAKE BOOSTER RATTLE/BUZZ NOISE Vehicle: 2004 Toyota Sienna 3.3 V6 GAS Symptoms: |
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Document: POWER FUNCTION OF SLIDING DOOR INOPERATIVE Vehicle: 2004 Toyota Sienna 3.3 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Toyota Sienna AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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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