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How to change rear coil springs on Mazda 3 BK – replacement guide
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Important!
This replacement procedure can be used for:
MAZDA 3 Saloon (BK) 2.0 (BKEP), MAZDA 3 Saloon (BK) 1.6 DI Turbo (BK12Y), MAZDA 3 Saloon (BK) 2.0 … View more
The steps may slightly vary depending on the car design.
MAZDA 3 Saloon (BK) 2.0 (BKEP), MAZDA 3 Saloon (BK) 1.6 DI Turbo (BK12Y), MAZDA 3 Saloon (BK) 2.0 … View more
The steps may slightly vary depending on the car design.
How to change rear springs on MAZDA 3 BK TUTORIAL | AUTODOC

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

Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #17
Drive socket # 17
HEX bit no.H6.
Wheel impact socket #19
Ratchet wrench
Torque wrench
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: coil springs – Mazda 3 BK. Tip from AUTODOC:
- Both coil springs of the rear suspension should be replaced simultaneously.
- The replacement procedure is identical for the left and right coil springs of the rear 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 1Secure the wheels with chocks.
- Step 2Loosen the wheel mounting bolts. Use wheel impact socket #19.
- Step 3Raise the rear of the car and secure on supports.
- Step 4Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mazda 3 BK
- Step 5Remove the wheel.
- Step 6Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.Step 7Unscrew the fastener connecting the control arm to the rear knuckle. Use a drive socket #17. Use a ratchet wrench.
- Step 8Support the arm. Use a hydraulic transmission jack.
- Step 9Clean the shock absorber fasteners. Use a wire brush. Use WD-40 spray.Step 10Unscrew the lower fastener of the shock absorber. Use a drive socket #17. Use a ratchet wrench.
- Step 11Remove the fastening bolts (2 pieces).Step 12Detach the lower part of the shock absorber.Step 13Unscrew the fastener connecting the stabilizer link to the control arm. Use a combination spanner #17. Use HEX No.H6. Use a ratchet wrench.
- Step 14Remove the fastening bolt.Step 15Remove the support from under the arm.AUTODOC recommends:Replacement: shock absorbers – Mazda 3 BK. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
- Step 16Pull down the suspension control arm. Use a crowbar.Step 17Remove the spring.
- Step 18Remove the rubber spring spacer.
- Step 19Install the rubber spacer on the new coil spring.
- Step 20Install the spring.Replacement: coil springs – Mazda 3 BK. Professionals recommend:Make sure that the coil spring is correctly positioned in its mounting seats.
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