1998 Toyota Avalon Service and Repair Manual

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Factory-Grade Data

1998 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

1998 Toyota Avalon Recalls & Complaints

NHTSA #98V27800019/10/1998Component: ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES, MINI VANS AND PASSENGER VEHICLES EQUIPPED WITH A THEFT DETERRENT SYSTEMS (TDS) SUPPLIED BY AUDIOVOX CORPORATION AND DISTRIBUTED BY SOUTHEAST TOYOTA DISTRI

Consequence

THIS CONDITION CAN CAUSE INTERMITTENT PERFORMANCE OF THE VEHICLE'S ELECTRICAL COMPONENTS SUCH AS THE

Remedy

DEALERS WILL INSPECT THE DATE CODE LABEL ON THE SECURITY SYSTEM HARNESS AND ANY DISPLAYING THE MANUF

NHTSA #98E03500019/10/1998Component: ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

EQUIPMENT DESCRIPTION: AFTERMARKET THEFT DETERRENT SYSTEMS USED ON 1998-1998 TOYOTA RAV4, AVALON, AND SIENNA MODEL VEHICLES DISTRIBUTED BY SOUTHEAST TOYOTA DISTRIBUTORS, INC. IN THE STATES OF ALABAM

Consequence

THIS CONDITION CAN CAUSE INTERMITTENT PERFORMANCE OF THE VEHICLE'S ELECTRICAL COMPONENTS SUCH AS THE

Remedy

DEALERS WILL INSPECT THE DATE CODE LABEL ON THE SECURITY SYSTEM HARNESS AND ANY DISPLAYING THE MANUF

TSB #10251070

OBSOLETE NOTICE January 22, 2024: This bulletin is now obsolete. Please see T-SB-0057-18.

TSB #10244113

TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the re

TSB #10238157

TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to

TSB #10214323

TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions

TSB #10207946

POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom

TSB #10197473

Product general information.

TSB #10197476

Replacement vin plates.

TSB #10190453

TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.

Showing the 8 most recent of 78 technical service bulletins on file with NHTSA.

20001011Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported3 injured

MY CAR WAS STOPPED AND THEN HIT DIRECTLY IN THE BACK BY A VEHICLE GOING APPROX. 45 MILES PER HOUR. ON IMPACT, THE PASSENGER FRONT SEAT FULLY RECLINED RESULTING IN INJURY TO OCCUPANT AND IF THERE WAS

20000214Component: AIR BAGS:FRONTALCrash reported2 injured

THE CONSUMER WAS IN THE INTERSECTION MAKING A LEFT TURN WHEN ANOTHER VEHICLE RAN INTO CONSUMER'S VEHICLE AT ABOUT 35 MPH, HITTING HER ON RIGHT PASSENGER'S FRONT SIDE. UPON IMPACT, PASSENGER'S SIDE

20100723Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL*THE CONTACT OWNS A 1998 TOYOTA AVALON. THE CONTACT DROVE ONTO THE EMERGENCY LANE AND PUT THE VEHICLE IN THE PARK POSITION. WHEN THE CONTACT PROCEEDED TO DRIVE, THE VEHICLE'S SPEED SUDDENLY AND IN

20091222Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL* THE CONTACT OWNS A 1998 TOYOTA AVALON. WHILE DRIVING BETWEEN 15 TO 30 MPH SHE CRASHED INTO A CURB. WHEN ATTEMPTING TO REVERSE AWAY FROM THE CURB THE VEHICLE SUDDENLY ACCELERATED. SHE PULLED TH

20040914Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported1 injured

WHILE PULLING INTO A PARKING SPACE VEHICLE SURGED FORWARD AND CRASHED WITH A WALL. WHILE AGAINST THE WALL THE VEHICLE CONTINUED TO TO SURGE UNTIL THE CONSUMER REMOVED THE KEY FROM THE IGNITION. THE

Showing the 5 most serious of 205 complaints filed with NHTSA.

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