2016 Mazda 6 Service and Repair Manual

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Covers all 2016 6 trims — Grand Touring Sedan 4-Door, i Sedan 4-Door, Sport Sedan 4-Door +4 more ·
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2016 Mazda 6 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

  • Grand Touring Sedan 4-Door
  • i Sedan 4-Door
  • Sport Sedan 4-Door
  • GS Sedan 4-Door
  • GT Sedan 4-Door
  • Touring Sedan 4-Door
  • GX Sedan 4-Door

Engines covered

  • 2.5L 2488CC 152Cu. In. l4 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
NHTSA #17V54600031/08/2017Component: STEERING:ELECTRIC POWER ASSIST SYSTEM

Mazda North American Operations (Mazda) is recalling certain 2016 Mazda6 vehicles. Debris from the welding process during manufacturing of the front passenger seat frame may damage the occupant classification system (OCS) wiring.

Consequence

If the wiring becomes damaged, there may be a loss of power steering assist and the deactivation of the passenger air bag, increasing the risk of a crash and the risk of injury in the event of a crash.

Remedy

Mazda will notify owners, and dealers will attach a protective pad on the seat frame. If the OCS harness is damaged, insulating tape will be applied to the harness. These repairs will be performed free of charge. The recall began October 26, 2017. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 1517H.

TSB #11032104

DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the windshield), contact DAG (Dealer

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 #11032101

This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, cl

TSB #11032100

This Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may experience one or more electrical malfunctions after a vehicle body

TSB #11032003

This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles may exhibit rattling noises from the engine compartment and oil leakage from the drive belt auto tension

TSB #11028133

There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys 5-digit codes CANNOT be provide

TSB #11028127

Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.

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

Showing the 8 most recent of 414 technical service bulletins on file with NHTSA.

01/16/20Component: STEERING,AIR BAGS,VEHICLE SPEED CONTROLCrash reported2 injured

WAS IN AN ACCIDENT WHICH RESULTED IN A LOCKUP OF VEHICLE AND SIDE COLLISION WITH BATTERY FAILURE

01/16/20Component: AIR BAGS,STRUCTURE,UNKNOWN OR OTHERCrash reported2 injured

DRIVING ALONG A HIGHWAY (LEFT SIDE OF ROAD) I CRASHED INTO LARGE BOULDERS OF CONCRETE SCATTERED ALONG THE ROAD THAT WAS CAUSED BY A PREVIOUS ACCIDENT. TRAVELING AT 60 MPH MY VEHICLE LAUNCHED OFF THE GROUND SLAMMING BACK DOWN ON ALL FOUR TIRES. MY VEHICLE THEN SPUN OUT OF CONTROL CRASHING TO THE SIDE GUARD RAIL IMPACTING THE SIDE OF THE VEHICLE 2X'S (RIGHT SIDE OF ROAD) RESULTING IN DISABLING DAMAGE TO MY VEHICLE. TO MY SURPRISE THE AIRBAGS DID NOT DEPLOY (PARTICULARLY MY SIDE AIRBAGS). LATER I LEARNED THAT MAZDA (MANUFACTURE) REPORTED A RECALL FOR MY VEHICLE RELATING TO A POTENTIAL MALFUNCTION

03/20/20Component: STEERING,ELECTRICAL SYSTEM,AIR BAGS,SERVICE BRAKESCrash reported1 injured

TL* THE CONTACT OWNED A 2016 MAZDA M6. THE CONTACT STATED THAT WHILE DRIVING ABOUT 20 MPH IN THE SNOW, THE BRAKE PEDAL WAS DEPRESSED AND THE VEHICLE LOST ALL POWERS AS THE STEERING FAILED. THE VEHICLE SLIDE AND REAR-END THE VEHICLE IN FRONT. THERE WERE NO WARNING LIGHTS ILLUMINATED. THE PASSENGER SIDE DOOR AIR BAG WAS THE ONLY AIR BAG THAT DEPLOYED. THE CONTACT STATED THAT THE VEHICLE FAILED TO RESTART AFTER THE INCIDENT. THE CONTACT ALSO STATED THAT THE PARKING BRAKE WAS ENGAGED AND FAILED TO DISENGAGE. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED A LOWER BACK AND NECK INJURIES THAT REQUI

12/21/20Component: STRUCTURE,WHEELS,UNKNOWN OR OTHERCrash reported1 injured

I HAVE A 2016 MAZDA 6 GT WITH STOCK 19" DUNLOP TIRES. I BOUGHT THE CAR WITH AROUND 80 MILES & AT THE TIME OF THE INCIDENT WAS AROUND 6800 MILES. I WAS TRAVELING TO WORK GOING AROUND 72 MPH & THE LEFT REAR TIRE BLEWOUT CAUSING AN ACCIDENT ON THE INTERSTATE. TIRES SHOULD NOT BLOWOUT THAT QUICKLY WITH PROPER CARE OF THE VEHICLE. THE TIRE TREAD WORE TOO FAST.

06/19/20Component: POWER TRAIN,ELECTRICAL SYSTEM,ENGINE1 injured

PCM ISSUE, passenger air bag issue, OCS wiring issue. infotainment system, transmission, and engine. Key fobs not able to be reprogrammed due to PCM issue

05/07/20Component: SEATS1 injured

"DRIVER SEAT ALIGNMENT" AFTER DRIVING FOR ANY PERIOD OF TIME DRIVERS LEFT LEGS BEGINS TO FEEL DISCOMFORT OR STRESS TO THE OUTSIDE OF LEFT KNEE DUE TO SEAT BEING ANGLED LEFT. PRESSURE FROM LEFT FOOTREST AND WHEEL WALL FORCES DRIVER TO RETRACT LEG AND PLANT INTO FLOOR CLOSER TO THE SEAT. THIS IS CONSISTENT WITH EVERY TIME I HAVE DRIVEN ALSO IT WAS CONFIRM BY A MAZDA SALES ASSOCIATE.

07/08/20Component: STEERINGCrash reported

I was on freeway when some warning start showing on dashboard ( enging, track control system, battery) then my steering wheel was hard that I couldn’t manubrio i hit a curb that was on the entrance and my car start spinning in circles till i hit the hill on side road.

02/15/20Component: UNKNOWN OR OTHER,ELECTRONIC STABILITY CONTROL (ESC)Crash reported

VARIOUS SOFTWARE CONTROL FEATURES TRANSIENTLY STOP WORKING. THE NAVIGATION SYSTEM HAS FAILED TO COME ON SEVERAL TIMES. THE KEY FOB STOPS WORKING AND THEN WORKS AGAIN.THE PROBLEMS ARE ALWAYS TRANSIENT AND THEN START WORKING AGAIN. THE WORST THING THAT HAPPENED WAS THE FRONT SENSOR FAILED TO WORK AND A SMALL POLE WAS HIT AND DID DAMAGE TO THE FRONT FENDER.

Showing the 8 most serious of 76 complaints filed with NHTSA.

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