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How to change front suspension strut on Toyota Aygo AB1 – replacement guide

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Important!

This replacement procedure can be used for:
TOYOTA AYGO (WNB1_, KGB1_) 1.4 D-4D (WNB10_), TOYOTA AYGO (WNB1_, KGB1_) 1.0 GPL (KGB10_) … View more

The steps may slightly vary depending on the car design.

How to change a front shock strut on TOYOTA AYGO 1 (AB10) [TUTORIAL AUTODOC]

All the parts you need to replace – Shock Absorber for AYGO (WNB1_, KGB1_) and other TOYOTA models

Alternative products

Shock absorber

Replacement: suspension strut – Toyota Aygo AB1. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Combination spanner #17
                    
                      Combination spanner #19
                    
                      XZN socket bit # 6 
                    
                      HEX bit No.H7.
                    
                      Drive socket # 15 
                    
                      Drive socket # 17 
                    
                      12-point socket # 30
                    
                      Wheel impact socket #19
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Pin punch
                    
                      Tap wrench
                    
                      Hammer
                    
                      Flat chisel
                    
                      Crow bar
                    
                      Round-nose pliers
                    
                      Ball joint puller
                    
                      Hydraulic strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: suspension strut – Toyota Aygo AB1. AUTODOC recommends:

Both shock struts of the front suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right shock struts of the front suspension.
All work should be done with the engine stopped.

Replacement: suspension strut – Toyota Aygo AB1. Take the following steps:

Step 1

Open the bonnet.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Loosen the upper fastener of the shock strut mount. Use a combination spanner #17. Use HEX No.H7.
Step 4

Clean the wheel hub fastener. Use WD-40 spray.
Step 5

Unstake the fastener of the driveshaft. Use a flat metal-working chisel. Use a hammer.
Step 6

Loosen the fastener of the driveshaft. Use 12-point socket No.30. Use a tap wrench.
Step 7

Secure the wheels with chocks.
Step 8

Loosen the wheel mounting bolts. Use wheel impact socket #19.
Step 9

Raise the front of the car and secure on supports.
Step 10

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Toyota Aygo AB1
Step 11

Remove the wheel.
Step 12

Disconnect the fastener of the ABS sensor cable from the shock absorber strut.
Step 13

Clean the fasteners of the ABS sensor and of the brake hose which connect them to the shock strut. Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the brake hose fastening bracket from the shock strut. Use a drive socket #15.
Step 15

Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a combination spanner #17. Use a drive socket #17. Use a tap wrench.
Step 16

Remove the fastening bolt.
Step 17

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 18

Remove the cotter pin. Use round-nose pliers.
Step 19

Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #19.
Step 20

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 21

Disconnect the lower arm from the steering knuckle. Use a ball joint puller. Use a crowbar.
Step 22

Unscrew the fastener connecting the drive shaft to the wheel hub. Use 12-point socket No.30.
Step 23

Remove the drive shaft. Use a pin punch. Use a hammer.
Step 24

Release the lower fastener connecting the shock strut to the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 25

Remove the support from under the steering knuckle.

Replacement: suspension strut – Toyota Aygo AB1. AUTODOC experts recommend:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 26

Disconnect the steering knuckle from the shock absorber strut. Use a flat metal-working chisel. Use a hammer.

AUTODOC recommends:
Make sure that the steering knuckle is supported.
Step 27

Unscrew the top fastening of the shock strut mount.

AUTODOC recommends:
Toyota Aygo AB1 – To avoid injury, hold the suspension strut while unscrewing the fastening bolts.
Step 28

Remove the suspension strut.
Step 29

Set the shock absorber strut on the spring compressor tool.

Replacement: suspension strut – Toyota Aygo AB1. Tip:
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 30

Compress the spring.
Step 31

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 32

Remove the strut piston rod nut. Use a combination spanner #17. Use XZN #6. Use a ratchet wrench.
Step 33

Remove the top strut mount.
Step 34

Release the coil spring.
Step 35

Remove the shock absorber dust cap and the bump stop.

AUTODOC recommends:
Replacement: suspension strut – Toyota Aygo AB1. Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 36

Remove the spring.
Step 37

Remove the old shock absorber from the hydraulic coil spring compressor.

Replacement: suspension strut – Toyota Aygo AB1. Tip from AUTODOC:
Before installing a new shock absorber you should pump it manually 3-5 times.
Step 38

Install the new shock absorber on the hydraulic coil spring compressor.
Step 39

Install the spring on the shock absorber.
Step 40

Install the dust sleeve and the bump stop on the new shock absorber.
Step 41

Compress the spring.
Step 42

Install the upper strut mount and the strut mount bearing.
Step 43

Tighten the shock strut piston rod nut. Use a combination spanner #17. Use XZN #6. Use a torque wrench. Tighten it to 33 Nm torque.

Replacement: suspension strut – Toyota Aygo AB1. Professionals recommend:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 44

Decompress the spring.
Step 45

Remove the assembled shock strut.
Step 46

Install the shock strut into the wheel arch.
Step 47

Screw the top fastening of the shock strut mount. Do not tighten it.

Replacement: suspension strut – Toyota Aygo AB1. Tip from AUTODOC experts:
To avoid injuries, hold the shock strut when screwing the fastening bolts in.
Step 48

Clean the mounting seats of the shock strut. Use a wire brush. Use WD-40 spray.
Step 49

Fix the shock absorber strut on the steering knuckle.
Step 50

Clean the splines of the drive shaft CV joint. Use a wire brush. Use WD-40 spray.
Step 51

Treat the splines of the driveshaft CV joint. Use copper grease.
Step 52

Mount the drive shaft into the wheel hub.
Step 53

Connect the lower arm to the steering knuckle. Use a crowbar.
Step 54

Screw the fasteners of the ball joint. Use a combination spanner #19.
Step 55

Install the fastening bolt.
Step 56

Screw in the fastener that connects the shock strut to the steering knuckle. Use a drive socket #17. Use a combination spanner #17.
Step 57

Tighten the brake hose fastening bracket to the shock strut. Use a drive socket #15.
Step 58

Connect the fastener of the ABS sensor cable to the shock absorber strut.
Step 59

Tighten the lower fasteners connecting the shock strut to the steering knuckle. Use a combination spanner #17. Use a drive socket #17. Use a torque wrench. Tighten it to 52 Nm torque.
Step 60

Tighten the ball joint fastener. Use a combination spanner #19. Use a torque wrench. Tighten it to 98 nm torque.
Step 61

Install the cotter pin.

Step 62

Treat the shock strut fasteners. Use copper grease.
Step 63

Screw the nut of the drive shaft. Use 12-point socket No.30.
Step 64

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 65

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: suspension strut – Toyota Aygo AB1. After applying the spray, wait a few minutes.
Step 66

Install the wheel.

Replacement: suspension strut – Toyota Aygo AB1. AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 67

Screw in the wheel bolts. Use wheel impact socket #19.
Step 68

Lower the car.
Step 69

Tighten the drive shaft nut. Use 12-point socket No.30. Use a torque wrench. Tighten it to 216 nm torque.
Step 70

Restake the fastener of the driveshaft. Use a flat metal-working chisel. Use a hammer.
Step 71

Tighten the upper fastener of the shock absorber strut mount. Use a combination spanner #17. Use HEX No.H7. Use a drive socket #17. Use a torque wrench. Tighten it to 50 nm torque.
Step 72

Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench. Tighten it to 103 Nm torque.
Step 73

Remove the jacks and chocks.

Step 74

Remove the fender protection cover.
Step 75

Close the hood.

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