2008 Honda Ridgeline Service and Repair Manual

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Covers all 2008 Ridgeline trims — LX Crew Cab Pickup 4-Door, RTS Crew Cab Pickup 4-Door, RTL Crew Cab Pickup 4-Door +3 more ·
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2008 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
  • RTS Crew Cab Pickup 4-Door
  • RTL Crew Cab Pickup 4-Door
  • EX-L Crew Cab Pickup 4-Door
  • RT Crew Cab Pickup 4-Door
  • RTX 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
NHTSA #19V50000027/06/2019Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2013 Acura ILX, 2015 RDX, 2005-2010 and 2012 RL, 2009-2014 TL, 2010 and 2012 ZDX, 2007-2011 CR-V, 2011-2013 and 2015 CR-Z, 2009-2013 Fit, 2013 Fit

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of char

NHTSA #19V50100027/06/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of ch

NHTSA #16V34400023/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain model year 2003-2006 Acura MDX, 2005-2011 Acura RL, 2005-2006 Honda CR-V, 2003-2011 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, an

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of c

NHTSA #22V43000016/06/2022Component: STRUCTURE:FRAME AND MEMBERS

Honda (American Honda Motor Co.) is recalling certain 2006-2014 Ridgeline vehicles that were sold, or ever registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Mass

Consequence

A fuel leak in the presence of an ignition source can increase the risk of a fire.

Remedy

Dealers will inspect and repair the rear frame, as necessary, free of charge. Depending on the exte

NHTSA #19E06800010/10/2019Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

Dorman Products, Inc. (Dorman) is recalling certain Accelerator Pedal Assemblies part numbers 699-114 and 825-5029-1, sold as replacement parts for 2003-2006 Acura MDX, 2004-2008 Acura TL and TSX, 20

Consequence

If the accelerator pedal binds, the engine may not quickly return to idle after the pedal is no long

Remedy

Dorman will notify owners, and qualified service facilities will replace the affected accelerator pe

NHTSA #17V02900010/01/2017Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2005-2006 Acura MDX and Honda CR-V vehicles, 2005-2011 Honda Element vehicles, 2005-2012 Acura RL vehicles, 2006-2012 Honda Ridgeline vehicles, 20

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Honda will notify owners, and dealers will replace the front passenger air bag inflator, free of cha

NHTSA #16V06100003/02/2016Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain model year 2007-2011 Honda CR-V, 2011-2015 CR-Z, 2010-2014 FCX, and Insight, 2009-2013 Fit, 2013-2014 Fit EV, 2007-2014 Ridgeline, 2013-2016 Acura

Consequence

In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could

Remedy

Honda will notify owners, and dealers will replace the inflator, free of charge. The recall began Ma

TSB #11029283

Service Bulletin - Warranty Extension: Customer Support Program For Driver's Airbag Inflator for 2007-11 CR-V and Other Listed Years and Models.

TSB #11028518

Service Bulletin - A pop or clunk is heard from the rear suspension in cold weather going over bumps potentially due to the rear bump stops loosening and are moving in the top mounting cap for the rear dampers.

TSB #10237953

Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.

TSB #10222442

Service Bulletin - (Repair Procedure and Parts Information Revision) In salt-belt states where de-icing agents are used to maintain the roadway, the de-icing agents, along with mud and dirt, could accumulate along the rear frame where the f

TSB #10213538

Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

TSB #10206992

ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a re

TSB #10186009

"Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"

TSB #10172568

Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

Showing the 8 most recent of 43 technical service bulletins on file with NHTSA.

20100621Component: SERVICE BRAKES, HYDRAULICCrash reported1 injured

ON AUGUST 22,2009 WHILE TRAVELING NORTHBOUND ON THE HUTCHINSON RIVER PARKWAY IN THE BRONX, WITH MODERATE CONGESTION, I APPLIED NORMAL PRESSURE TO THE BRAKE PEDAL OF MY 2008 HONDA RIDGELINE TO HEAR A

20170909Component: AIR BAGSCrash reported

I HAD MY RECALL DONE AT GUNN HONDA IN SAN ANTONIO, TEXAS IN JULY OF 2017. NOW I HAD A WRECK ON AUGUST 18, 2017, IT IS A TOTAL LOST. THAT WHAT IS GOING ON NOW YOU CAN CHECK WITH MY INSURANCE GEICO POLI

20101223Component: SERVICE BRAKES, HYDRAULICCrash reported

CANADA - HONDA RIDGELINE SOFT BREAK PEDDLE WITH LITTLE EFFORT. *LN

20250227Component: ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGSFire reported

See attached document for complaint.

20250227Component: ELECTRICAL SYSTEMFire reported

See attached document for complaint.

Showing the 5 most serious of 155 complaints filed with NHTSA.

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