1999 Toyota Sienna Service and Repair Manual

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Factory-Grade Data

1999 Toyota Sienna 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

  • CE
  • LE
  • XLE

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

1999 Toyota Sienna Recalls & Complaints

NHTSA #10V16000020/04/2010Component: STRUCTURE

TOYOTA IS RECALLING CERTAIN MODEL YEAR 1998 THROUGH 2010 SIENNA PASSENGER VEHICLES MANUFACTURED BETWEEN AUGUST 7, 1997 AND JANUARY 4, 2010, CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, D

Consequence

THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POS

Remedy

TOYOTA WILL NOTIFY OWNERS WITH AN INTERIM LETTER INITIALLY INSTRUCTING THEM TO BRING THEIR VEHICLE T

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 101 technical service bulletins on file with NHTSA.

20030318Component: TIRES:TREAD/BELTCrash reported8 injured

ROLLOVER OF VEHICLE DUE TO TREAD SEPERATION FROM TIRE. *JB

20090726Component: SERVICE BRAKES, HYDRAULICCrash reported2 injured

1999 TOYOTA SIENNA 56000 MILES ,, WE WERE DRIVING AT 60 MPH ON I 294 SOUTH AND THE BRAKES COMPLETELY FAILED ,,,MY WIFE KEPT PUMPING THEM AND LOST CONTROL , WE HIT THE MEDIAN AND THE CAR ROLLED OVER TH

20030104Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported2 injured

WHILE STOPPED IN TRAFFIC MY 1999 TOYOTA SIENNA XLE VAN WAS STRUCK IN THE REAR BY A HONDA CIVIC. ALL OCCUPANTS OF THE VAN WERE WEARING LAP AND SHOULDER SEAT BELTS AT THE TIME OF THE ACCIDENT. THE DR

20030104Component: SEAT BELTS:REAR/OTHERCrash reported2 injured

WHILE STOPPED IN TRAFFIC MY 1999 TOYOTA SIENNA XLE VAN WAS STRUCK IN THE REAR BY A HONDA CIVIC. ALL OCCUPANTS OF THE VAN WERE WEARING LAP AND SHOULDER SEAT BELTS AT THE TIME OF THE ACCIDENT. THE DR

19990708Component: AIR BAGS:FRONTALCrash reported2 injured

WE WERE HEADING NORTH AND THE OTHER CAR WAS HEADING SOUTH. HE DECIDED AT THE LAST MINUTE TO MAKE A LEFT HAND TURN IN FRONT OF US. WE HAD NO WHERE TO GO AND SLAMMED INTO HIS PASSENGER SIDE AND THE AI

Showing the 5 most serious of 250 complaints filed with NHTSA.

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