2004 Toyota Avalon Service and Repair Manual

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Factory-Grade Data

2004 Toyota Avalon service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • XL
  • XLS

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2004 Toyota Avalon Recalls & Complaints

NHTSA #10V34500029/07/2010Component: STEERING

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2000-2004 AVALON VEHICLES. DUE TO IMPROPER CASTING OF THE STEERING LOCK BAR, THERE IS A POSSIBILITY THAT A MINUTE CRACK MAY DEVELOP ON THE SURFACE OF THE LOCK B

Consequence

SHOULD THE STEERING LOCK BAR BREAK, THE STEERING WHEEL WOULD LOCK AND THE DRIVER WOULD LOSE THE ABIL

Remedy

DEALERS WILL REPLACE THE STEERING INTERLOCK DEVICE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON SEPTE

NHTSA #11V53900009/11/2011Component: ENGINE AND ENGINE COOLING

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004 AVALON VEHICLES; 2004 AND 2005 CAMRY, CAMRY SOLARA, HIGHLANDER, AND SIENNA VEHICLES, 2006 HIGHLANDER HYBRID; 2004 AND 2005 LEXUS ES330 AND RX330; AND 2006 L

Consequence

IN SOME CASES, THE BELT FOR THE POWER STEERING PUMP MAY BECOME DETACHED FROM THE PULLEY WHICH COULD

Remedy

TOYOTA WILL NOTIFY OWNERS, AND DEALERS WILL CHECK THE CRANKSHAFT PULLEY TO IDENTIFY WHETHER IT WAS P

TSB #11012744

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11012743

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11012742

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

TSB #11012735

Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i

TSB #11012727

Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the

TSB #11007445

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11007444

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11007443

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

Showing the 8 most recent of 126 technical service bulletins on file with NHTSA.

20160826Component: AIR BAGSCrash reported2 injured

NO AIRBAGS DEPLOYED IN MY 2004 AVALON XLS WHEN A DRIVER STATED SHE DID NOT SEE ME/MY CAR AND TURNED LEFT IN FRONT OF ME LEAVING ME 2 SECONDS TO BRAKE.THIS WAS ON A CITYN STREET AND SHE WAS TURNING FRO

20100315Component: VEHICLE SPEED CONTROLCrash reported2 injured

1. I WAS AT NELLIS AIR FORCE BASE PERFORMING A CEREMONY. AFTER THE CEREMONY I ENTERED THE VEHICLE WITH WIFE TO GO TO THE BASE SHOPPING AREA. THE VEHICLE WAS PARKED IN A PARKING SPACE WITH A CONCRETE T

20100315Component: AIR BAGS:FRONTALCrash reported2 injured

1. I WAS AT NELLIS AIR FORCE BASE PERFORMING A CEREMONY. AFTER THE CEREMONY I ENTERED THE VEHICLE WITH WIFE TO GO TO THE BASE SHOPPING AREA. THE VEHICLE WAS PARKED IN A PARKING SPACE WITH A CONCRETE T

20100218Component: VEHICLE SPEED CONTROLCrash reported2 injured

MY 2004 TOYOTA EXPERIENCED A SUDDEN ACCELERATION ON A SLIGHT UPGRADE WHICH CAUSED THE CAR TO GO INTO A RAPID UNCONTROLLABLE SPIN. THIS RESULTED IN A HEAD ON COLLISION WITH A PICK UP TRUCK. MY WIFE SUF

20150126Component: AIR BAGSCrash reported1 injured

TL*THE CONTACT OWNS A 2004 TOYOTA AVALON. THE CONTACT STATED THAT WHILE DRIVING DISTRACTED AT 70 MPH, THE CONTACT CRASHED INTO THE REAR OF ANOTHER VEHICLE AND THE AIR BAGS FAILED TO DEPLOY. THE CONTAC

Showing the 5 most serious of 252 complaints filed with NHTSA.

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