2011 Mazda CX-9 Service and Repair Manual

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Factory-Grade Data

2011 Mazda CX-9 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

  • GT Sport Utility 4-Door
  • Touring Sport Utility 4-Door
  • Grand Touring Sport Utility 4-Door
  • GS Sport Utility 4-Door
  • Sport Sport Utility 4-Door

Engines covered

  • 3.7L 3726CC 227Cu. In. V6 GAS DOHC 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

2011 Mazda CX-9 Recalls & Complaints

NHTSA #19V78200031/10/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mazda North American Operations (Mazda) is recalling certain 2007-2012 CX-7, CX-9, and 2009-2012 Maza6 vehicles. These vehicles had their passenger frontal air bag inflators previously replaced under

Consequence

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

Remedy

Owners are advised not to drive their vehicles until the repair has been performed. Mazda will noti

NHTSA #17V42900029/06/2017Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mazda North America Operations (Mazda) is recalling certain 2009-2011 Mazda6, and 2007-2011 CX-7 and CX-9 vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the

Consequence

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

Remedy

Owners are advised not to drive their vehicles until the remedy is performed. Mazda will notify own

TSB #11032103

This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance services that support all ma

TSB #11026917

If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarke

TSB #11026904

A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is

TSB #11022742

Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection. If a structure's windows create enough of a curve, the co

TSB #11022727

When replacing the SiriusXM satellite radio unit, a call must be made to inform SiriusXM of the existing Radio ID and the new/replacement SAT Radio ID as soon as possible to ensure the customer leaves the dealership with an active SAT radio

TSB #11020039

Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement. Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of the cabin air filter,

TSB #11019097

Some vehicles may exhibit following symptoms: 1. The rearview mirror (1) rattles up and down (2) while adjusting the mirror. 2. The rearview mirror (1) makes a rattle noise depending on the road surface conditions while driving. This concer

TSB #11017699

A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is

Showing the 8 most recent of 293 technical service bulletins on file with NHTSA.

20150630Component: AIR BAGSCrash reported2 injured

I OWN A 2011 MAZDA CX-9. ANOTHER VEHICLE CRASHED HEAD ON INTO MY VEHICLE WHILE IT WAS IDLING STOPED AT A STOP SIGN WHEN IMPACT ACCURSED . THE AIR BAGS FAILED TO DEPLOY AND BOTH FRONT PASSENGER SEAT BE

20250801Component: AIR BAGSCrash reported

The contact owns a 2011 Mazda CX-9. The contact stated that while attempting to park the vehicle at a slow speed in the driveway, the vehicle suddenly experienced unintended acceleration, lurched forw

20250801Component: VEHICLE SPEED CONTROLCrash reported

The contact owns a 2011 Mazda CX-9. The contact stated that while attempting to park the vehicle at a slow speed in the driveway, the vehicle suddenly experienced unintended acceleration, lurched forw

20200102Component: SERVICE BRAKESCrash reported

TL* THE CONTACT OWNS A 2011 MAZDA CX9. THE CONTACT STATED THAT WHILE HIS WIFE WAS DRIVING APPROXIMATELY 13 MPH AND ATTEMPTING TO SLOW DOWN, THE BRAKE PEDAL WAS HARDER THAN USUAL TO DEPRESS. AS A RESUL

20200102Component: AIR BAGSCrash reported

TL* THE CONTACT OWNS A 2011 MAZDA CX9. THE CONTACT STATED THAT WHILE HIS WIFE WAS DRIVING APPROXIMATELY 13 MPH AND ATTEMPTING TO SLOW DOWN, THE BRAKE PEDAL WAS HARDER THAN USUAL TO DEPRESS. AS A RESUL

Showing the 5 most serious of 207 complaints filed with NHTSA.

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