2018 Acura ILX Service and Repair Manual

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Factory-Grade Data

The 2018 Acura ILX service and repair manual is a practical, OEM-style reference for maintenance, diagnostics, and repair work. You’ll get step-by-step procedures, specifications, torque values, diagrams, and system information to help you troubleshoot accurately and finish jobs faster.

Ideal for professional technicians and DIY owners, this manual covers core vehicle systems including engine, brakes, steering, suspension, HVAC, and wiring diagrams. Instant digital access after purchase.

Trims covered

  • A-Spec Sedan 4-Door
  • Base Sedan 4-Door
  • Tech Sedan 4-Door

Engines covered

  • 2.4L 2356CC 144Cu. In. l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Body Repair
  • Body Repair Basic
  • Brakes
  • Control System DTCs
  • Driving Support & Restraints
  • Engine
  • HVAC
  • Network Communication
  • Paint Repair Basic
  • Steering
  • Suspension
  • Symptom
  • Trans/Driveline
  • Vehicle General Information
  • Wiring Diagrams

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Vehicle Safety Data

2018 Acura ILX Recalls & Complaints

NHTSA #23V85800018/12/2023Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX,

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2

NHTSA #25V85900011/12/2025Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. Contaminated brake fluid may cause a seal inside the brake master cylinder to deform, which can cause an internal br

Consequence

Reduced brake function can extend the distance required to stop, increasing the risk of a crash or i

Remedy

Dealers will replace the brake master cylinder, free of charge. Owner letters were mailed May 4, 2

NHTSA #19V42400006/06/2019Component: POWER TRAIN:DRIVELINE:DRIVESHAFT

Acura (American Honda Motor Co.) is recalling certain 2016-2019 Acura ILX vehicles. Excessive grease may prevent the set-ring on the half shaft from fully engaging, allowing the driveshaft to separat

Consequence

A separated driveshaft can cause the vehicle to have a loss of drive or allow the vehicle to move ev

Remedy

Acura will notify owners, and dealers will inspect, and, as necessary, replace the driveshaft and ha

TSB #10206805

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better un

TSB #10206453

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better un

TSB #10205955

Service Bulletin - This warranty extension applies only to 2016-18 ILX vehicles painted B-612P (2016 models: Bright Kinetic Blue Pearl) or (2017-18 models: Catalina Blue Pearl).

TSB #10205466

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better un

TSB #10203814

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better un

TSB #10202911

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better un

TSB #10202330

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or cre

TSB #10202289

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or cre

Showing the 8 most recent of 65 technical service bulletins on file with NHTSA.

20220902Component: SEAT BELTS:FRONT:RETRACTORCrash reported

The contact owns a 2018 Acura ILX. The contact's daughter was driving approximately 10 MPH and accelerating after stopping at a traffic sign when the vehicle was crashed by another vehicle. The contac

20260220Component: SERVICE BRAKES, HYDRAULIC

The contact owns a 2018 Acura ILX. The contact received notification of NHTSA Campaign Number: 25V859000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. T

20260205Component: ENGINE

Car stopped working, engine replaced than broke down again told it was better but than it was exhaust. Every light was on in the car

20260120Component: FUEL/PROPULSION SYSTEM

The vehicle began experiencing a steering and suspension malfunction that made the car difficult to control, particularly at low speeds and when turning. There was increased vibration, unusual noise f

20250509Component: FUEL SYSTEM, GASOLINE

The contact owns a 2018 Acura ILX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The c

Showing the 5 most serious of 25 complaints filed with NHTSA.

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