2018 Honda Ridgeline Service and Repair Manual

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Factory-Grade Data

2018 Honda Ridgeline 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 and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • LX Crew Cab Pickup 4-Door
  • RTL Crew Cab Pickup 4-Door
  • RTL-T Crew Cab Pickup 4-Door
  • Black Edition Crew Cab Pickup 4-Door
  • EX-L Crew Cab Pickup 4-Door
  • LX-AS Crew Cab Pickup 4-Door
  • Sport Crew Cab Pickup 4-Door
  • RT Crew Cab Pickup 4-Door
  • Touring Crew Cab Pickup 4-Door
  • RTL-E Crew Cab Pickup 4-Door

Engines covered

  • 3.5L 3471CC V6 GAS SOHC Naturally Aspirated

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
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2018 Honda Ridgeline Recalls & Complaints

NHTSA #21V93200029/11/2021Component: STRUCTURE:BODY:HOOD

Honda (American Honda Motor Co.) is recalling certain 2019 Passport, 2016-2019 Pilot, and 2017-2020 Ridgeline vehicles. The hood latch striker may become damaged and separate from the hood, which can

Consequence

A hood that opens while driving can obstruct the driver's view and increase the risk of a crash.

Remedy

Dealers will either repair the hood latch striker, or replace the hood if necessary, free of charge.

NHTSA #22V86700023/11/2022Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Honda (American Honda Motor Co.) is recalling certain 2017-2019 Ridgeline vehicles. Opening and closing the tailgate may break the rearview camera wiring harness, causing the rearview camera to fail.

Consequence

An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a cra

Remedy

Dealers will replace the rearview camera wiring harness, free of charge. Owner notification letters

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 #20E06800017/09/2020Component: EQUIPMENT

Honda (American Honda Motor Co.) is recalling all Honda Genuine Accessory Tonneau Covers, part number 08Z07-T6Z-100F, sold for installation on 2017-2020 Ridgeline trucks. If the tonneau cover is not

Consequence

A separated panel may become a road hazard, increasing the risk of crash or injury.

Remedy

Honda will notify all registered owners of 2017-2020 Honda Ridgelines, and dealers will install teth

TSB #11030674

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11030074

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11029281

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11028509

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11027802

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11024908

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11024886

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2019 Ridgelines with a customer complaint of the rearview camera inoperable. To better understand the cause of this condition, AHM would like to inspect the

TSB #11019252

Service Bulletin - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-u

Showing the 8 most recent of 113 technical service bulletins on file with NHTSA.

20211124Component: SERVICE BRAKESCrash reported

The contact owns a 2018 Honda Ridgeline. The contact stated that while stopped behind a truck that had attempted to make a left turn, the vehicle began to reverse and tapped his vehicle. There was no

20200818Component: ELECTRICAL SYSTEMCrash reported

BACK UP CAMERA INOPERABLE RELATED TO FAILURE OF WIRING HARNESS TO TAILGATE. STRESS POINT IN HARNESS SEVERS ELECTRICAL CONNECTION LEADING TO NO IMAGE FROM CAMERA. THIS INITIALLY OCCURRED WHILE BACKING

20190828Component: STRUCTURE:BODYCrash reported

ON JUNE 13, 2019, I HIT A ROCK IN A PARKING LOT IN THE FRONT OF THE VEHICLE. LATER TOOK TO A BODY SHOP WHEN RADAR SENSOR LIGHTS CAME ON. WAS TOLD IT WAS THE MISALLIGNMENT OF THE RADAR SENSOR UNIT CA

20190828Component: SERVICE BRAKESCrash reported

ON JUNE 13, 2019, I HIT A ROCK IN A PARKING LOT IN THE FRONT OF THE VEHICLE. LATER TOOK TO A BODY SHOP WHEN RADAR SENSOR LIGHTS CAME ON. WAS TOLD IT WAS THE MISALLIGNMENT OF THE RADAR SENSOR UNIT CA

20220609Component: UNKNOWN OR OTHERFire reported

A fire started in the engine compartment of the 2018 Honda Ridgeline. The vehicle was being driven while towing a lightweight trailer. The driver pulled over to allow vehicles to pass and check the tr

Showing the 5 most serious of 194 complaints filed with NHTSA.

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