2018 Toyota Sequoia Service and Repair Manual

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Factory-Grade Data

2018 Toyota Sequoia 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

  • Limited
  • Platinum
  • SR5
  • TRD Sport

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

2018 Toyota Sequoia Recalls & Complaints

NHTSA #21E10300023/12/2021Component: STEERING:HYDRAULIC POWER ASSIST SYSTEM

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-2022 Sequoia, part numbers 44250-0C160, 44250-0C13

Consequence

An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the power steering gear assembly, free of charge. Owner notificati

NHTSA #21V92000023/11/2021Component: STEERING:HYDRAULIC POWER ASSIST SYSTEM

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assembly may have been manufactured incorrectly, which

Consequence

An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.

Remedy

Dealers will inspect and replace the power steering gear assembly as necessary, free of charge. Own

NHTSA #20V01200013/01/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS

Consequence

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy

Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began

TSB #11028712

Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic

TSB #11022964

Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.

TSB #11020657

The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant

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

Showing the 8 most recent of 199 technical service bulletins on file with NHTSA.

20260408Component: FUEL/PROPULSION SYSTEM

I own a 2018 Toyota Sequoia experiencing fuel pump failure symptoms including extended crank and loss of power. This issue matches NHTSA Recall 20V012000, which affects similar vehicles with the same

20260225Component: FUEL SYSTEM, GASOLINE

The contact owns a 2018 Toyota Sequoia. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The contact stated that after several attempts, the vehicle started.

20240606Component: STEERING:RACK AND PINION

The contact owns a 2018 Toyota Sequoia. The contact stated that while having routine maintenance at the local dealer, he was informed that the outer seals were leaking and full of fluid. The vehicle w

20230616Component: UNKNOWN OR OTHER

The sunroof exploded from the inside while driving at highway speeds

20210712Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

In the past few months the automatic braking feature was activated without any reason. No obstruction in front, no unusual weather or driving conditions. Fortunately nobody was close behind and no a

Showing the 5 most serious of 36 complaints filed with NHTSA.

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