Maintenance Interval; Number of months or kilometers (miles), whichever comes ; 12 18 24 30 36 42 48 54 60 66 72- Page 445

2021 Mazda Mazda3 Sedan Owners Manual

Table of Contents

When Driving
Customer Information and Reporting Safety Defects
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Maintenance Interval

Number of months or kilometers (miles), whichever comes 

fi

rst.

Months

6

12 18 24 30 36 42 48 54 60 66 72

×1000 km

8

16 24 32 40 48 56 64 72 80 88 96

×1000

miles

5

10 15 20 25 30 35 40 45 50 55 60

Spark plugs

SKYACTIV

-

G

2.5T

Replace every 64,000 km (40,000 miles).

Except SKY

-

ACTIV

-

G

2.5T

Replace every 120,000 km (75,000 miles).

Air 

fi

lter

Replace every 56,000 km (35,000 miles) or 36 months.

Drive belts

*3

I

I

Engine  coolant  level

I

I

I

I

I

I

I

I

I

I

I

I

Engine coolant

*4

Replace at 

fi

rst 192,000 km (120,000 miles) or 120

months; after that, every 96,000 km (60,000 miles) or 60

months.

Fuel lines & hoses

*5

I

I

I

Hoses and tubes for emission

*5

I

Brake lines, hoses and connections

I

I

I

Vacuum brake booster and
hose

With vac-
uum booster

I

I

I

I

I

I

Brake 

fl

uid

With electri-
cal booster

R

R

R

Disc brakes

I C/L I

I/C

/L

I C/L I

I/C

/L

Tire rotation

Rotate every 8,000 km (5,000 miles).

Tire in

fl

ation pressure and tire wear

*6

I

I

I

I

I

I

I

I

I

I

I

I

Steering operation and linkages

I

I

I

Front and rear suspension, ball joints and
wheel bearing axial play

I

I

I

Body condition inspection for rust, corro-
sion and perforation

I

I

I

I

I

I

Driveshaft dust boot

I

I

I

Bolts and nuts on chassis and body

T

T

T

Exhaust system and heat shields

I

Emergency 

fl

at tire repair kit (if equip-

ped)

*7

Inspect annually.

Cabin air 

fi

lter

Replace every 40,000 km (25,000 miles) or 24 months.

Maintenance and Care

Scheduled Maintenance

6-7

Mazda3_8JM2-EA

-

20H_Edition1_new

2020-7-10 17:21:34

Detailed Information for 2021 Mazda Mazda3 Sedan Owners Manual