Important!

This replacement procedure can be used for:
MAZDA 3 (BK) 1.6 (BK14), MAZDA 3 (BK) 1.3 (BK14) … View more

The steps may slightly vary depending on the car design.

How to change front springs on MAZDA 3 BK TUTORIAL | AUTODOC

All the parts you need to replace – Springs for 3 Saloon (BK) and other MAZDA models

Alternative products

Coil spring

Replacement: coil springs – Mazda 3 BK. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner
                    
                      Copper grease
                    
                      Drive socket # 14
                    
                      Drive socket # 17
                    
                      Combination spanner #18
                    
                      HEX bit no.H6.
                    
                      Wheel impact socket #19
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Hydraulic strut spring compressor
                    
                      Flat Screwdriver
                    
                      Rubber mallet
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: coil springs – Mazda 3 BK. Tip from AUTODOC experts:

Both coil springs of the front suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right coil springs of the front suspension.
Please note: all work on the car – Mazda 3 BK – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Secure the wheels with chocks.
Step 2

Loosen the wheel mounting bolts. Use wheel impact socket #19.
Step 3

Raise the front of the car and secure on supports.
Step 4

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Mazda 3 BK
Step 5

Remove the wheel.
Step 6

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 7

Unscrew the fastener connecting the stabilizer link to the shock strut. Use a drive socket #17. Use a ratchet wrench.
Step 8

Remove the ABS wiring harness bracket.

Step 9

Remove the stabilizer rod.

Step 10

Remove the fastener attaching the brake hose to the shock strut. Use a flat screwdriver.
Step 11

Detach the brake hose from the shock strut.

Step 12

Clean the lower fastener connecting the suspension strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 13

Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a drive socket #17. Use a ratchet wrench.
Step 14

Remove the fastening bolt.

Step 15

Disconnect the steering knuckle from the shock absorber strut. Use a rubber mallet.
Step 16

Lower the car.
Step 17

Open the bonnet.
Step 18

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 19

Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.

Step 20

Unscrew the upper fasteners of the shock strut (3 pieces). Use a drive socket #14. Use a ratchet wrench.

AUTODOC recommends:
Important! Hold the suspension strut while unscrewing the fastening bolts. Mazda 3 BK
Step 21

Remove the suspension strut.
Step 22

Set the shock absorber strut on the spring compressor tool.

Replacement: coil springs – Mazda 3 BK. Tip from AUTODOC experts:
Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
Step 23

Compress the spring.

Step 24

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 25

Remove the strut piston rod nut. Use a combination spanner #18. Use HEX No.H6. Use a ratchet wrench.
Step 26

Remove the shock absorber mount, dust boot, and bump stop.

AUTODOC recommends:
Τhoroughly examine the shock absorber mount, dust boot, and bump stop. Replace them if necessary.
Step 27

Release the coil spring.
Step 28

Remove the spring.
Step 29

Install the spring on the shock absorber.
Step 30

Compress the spring.
Step 31

Install the mount, the boot and the bump stop on the shock absorber.
Step 32

Tighten the shock strut piston rod nut. Use a combination spanner #18. Use HEX No.H6. Use a torque wrench. Tighten it to 60 Nm torque.

Replacement: coil springs – Mazda 3 BK. AUTODOC experts recommend:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 33

Decompress the spring.

Step 34

Treat the shock strut rod. Use copper grease.
Step 35

Remove the assembled shock strut.

Step 36

Install the shock strut into the wheel arch.
Step 37

Secure the upper fasteners of the shock strut (3 pieces).

AUTODOC recommends:
Important! Hold the suspension strut while screwing in the fastening bolts. Mazda 3 BK
Step 38

Tighten the upper fasteners of the shock strut (3 pieces). Use a drive socket #14. Use a torque wrench. Tighten it to 30 Nm torque.
Step 39

Treat the fasteners of the shock strut mount. Use copper grease.

Step 40

Remove the fender protection cover.

Step 41

Close the hood.
Step 42

Raise the front of the car and secure on supports.
Step 43

Fix the shock absorber strut on the steering knuckle. Use a rubber mallet.

Step 44

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 45

Install the fastening bolt.

Step 46

Tighten the lower fastening of the shock absorber. Use a drive socket #17. Use a torque wrench. Tighten it to 70 Nm torque.
Step 47

Fasten the brake hose on the strut.

Step 48

Install the brake hose retaining clip. Use a rubber mallet.
Step 49

Remove the support from under the steering knuckle.

AUTODOC recommends:
Replacement: coil springs – Mazda 3 BK. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 50

Ιnstall the transverse stabilizer link.

Step 51

Install the ABS wiring harness bracket.

Step 52

Tighten the fastener connecting the stabilizer link to the shock strut. Use a drive socket #17. Use a torque wrench. Tighten it to 50 Nm torque.
Step 53

Treat the shock strut fasteners. Treat all joints of the stabiliser link. Use copper grease.
Step 54

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 55

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: coil springs – Mazda 3 BK. After applying the spray, wait a few minutes.
Step 56

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Mazda 3 BK
Step 57

Screw in the wheel bolts. Use wheel impact socket #19.
Step 58

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #19. Use a torque wrench. Tighten it to 118 nm torque.
Step 59

Remove the jacks and chocks.

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