2018 Mazda CX-3 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
- GX Sport Utility 4-Door
- Touring Sport Utility 4-Door
- i Grand Touring Sport Utility 4-Door
- Grand Touring Sport Utility 4-Door
- GS Sport Utility 4-Door
- Sport Sport Utility 4-Door
- I Sport Sport Utility 4-Door
- i Sport Utility 4-Door
Engines covered
- 2.0L 1998CC 122Cu. 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
Mazda North American Operations (Mazda) is recalling certain 2014-2018 Mazda3 and 2016-2021 CX-3 vehicles. The rearview camera image may not display properly by showing a flickering or distorted imag
A rearview camera that does not display properly can reduce the driver's rear view, increasing the r
Dealers will inspect and replace the rearview camera, as necessary. In addition, dealers will insta
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
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
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
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
This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-003/22 03/02/22 DESCRIPTION Some customers may complain about a tapping or knocking noise coming from the rear seat after fuel
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
This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPTION There is a concern that some water pumps are being replaced that are not faulty, due to signs of
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
Showing the 8 most recent of 271 technical service bulletins on file with NHTSA.
I WAS IN A PARKING RAMP, I ROUNDED THE CORNER GOING UP AND WAS PULLING INTO A PARKING SPOT, MY FOOT WAS ON THE BREAK, AND THE CAR ACCELERATED. I LURCHED FORWARD INTO A WALL OF THE RAMP. IT WASN'T RAIN
Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when fuel got into it. Independent mec
Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when fuel got into it. Independent mec
The contact owns a 2018 Mazda CX-3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The lo
Heavy condensation is occurring inside the driver side headlamp. A quick google search shows this is a common problem among Mazda owners and Mazda will not cover the repair. I am unable to get a Mas
Showing the 5 most serious of 15 complaints filed with NHTSA.
