Important!

This replacement procedure can be used for:
OPEL Astra H Hatchback (A04) 1.4 LPG (L48), OPEL Astra H Hatchback (A04) 1.4 (L48), OPEL Astra H Hatchback (A04) 1.4 (L48), OPEL Astra H Hatchback (A04) 1.6 (L48), OPEL Astra H Hatchback (A04) 1.8 (L48), OPEL Astra H Hatchback (A04) 1.7 CDTI (L48), OPEL Astra H Hatchback (A04) 1.7 CDTI (L48), OPEL Astra H Hatchback (A04) 2.0 Turbo (L48), OPEL Astra H Hatchback (A04) 2.0 Turbo (L48), OPEL Astra H Hatchback (A04) 1.9 CDTI (L48), OPEL Astra H Hatchback (A04) 1.9 CDTI 16V (L48), OPEL Astra H Hatchback (A04) 1.3 CDTI (L48), OPEL Astra H Hatchback (A04) 2.0 Turbo (L48), OPEL Astra H Hatchback (A04) 1.9 CDTI (L48), OPEL Astra H Hatchback (A04) 1.9 CDTI (L48), OPEL Astra H Hatchback (A04) 1.8 (L48), OPEL Astra H Hatchback (A04) 1.4 (L48), OPEL Astra H Hatchback (A04) 1.6 Turbo (L48), OPEL Astra H Hatchback (A04) 1.6 (L48), OPEL Astra H Hatchback (A04) 1.7 CDTI (L48), OPEL Astra H Hatchback (A04) 1.7 CDTI (L48), OPEL Astra H Hatchback (A04) 1.2 (L48) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Shock Absorber for Astra H Hatchback (A04) and other OPEL models

Alternative products

Shock absorber

Replacement: suspension strut – OPEL ASTRA H (L48). Tools you might need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Combination spanner #18
                    
                      Combination spanner #19
                    
                      HEX bit no.H6.
                    
                      Drive socket # 18 
                    
                      Drive socket # 19 
                    
                      Drive socket # 22 
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Flat Screwdriver
                    
                      Tap wrench
                    
                      Clip removal tool
                    
                      Water pump pliers
                    
                      Crow bar
                    
                      Rubber mallet
                    
                      Hydraulic strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: suspension strut – OPEL ASTRA H (L48). 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 – OPEL ASTRA H (L48). Take the following steps:

Step 1

Open the hood.

Step 2

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

Step 3

Remove the cowl grille seal.
Step 4

Raise up and remove the cowl grille.
Step 5

Remove the shock strut mount cap. Use a flat screwdriver.
Step 6

Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
Step 7

Remove the retainer of the shock strut upper mount. Use a clip removal tool.
Step 8

Secure the wheels with chocks.
Step 9

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 10

Raise the front of the car and secure on supports.

Step 11

Unscrew the wheel bolts.

Replacement: suspension strut – OPEL ASTRA H (L48). Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 12

Remove the wheel.
Step 13

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the nut and remove the stabilizer rod from the shock strut. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 15

Remove the stabilizer rod.

Step 16

Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 17

Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a tap wrench.
Step 18

Clean the fasteners of the ABS sensor and of the brake hose which connect them to the shock strut. Use a wire brush. Use WD-40 spray.
Step 19

Disconnect the fastener of the ABS sensor cable from the shock absorber strut. Use a flat screwdriver.
Step 20

Detach the brake hose from the shock strut. Use water pump pliers.
Step 21

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

Step 22

Remove the fastening bolts.
Step 23

Disconnect the steering knuckle from the shock absorber strut. Use a crowbar.
Step 24

Remove the retainer of the shock strut upper mount.

AUTODOC recommends:
OPEL ASTRA H (L48) – To avoid injury, hold the suspension strut while unscrewing the fastening bolts.
Step 25

Remove the suspension strut.
Step 26

Set the shock absorber strut on the spring compressor tool.

Replacement: suspension strut – OPEL ASTRA H (L48). AUTODOC experts recommend:
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 27

Compress the spring.
Step 28

Remove the strut piston rod nut. Use HEX No.H6. Use a drive socket #22. Use a ratchet wrench.
Step 29

Remove the top strut mount.
Step 30

Release the coil spring.
Step 31

Remove the shock absorber dust cap and the bump stop.

AUTODOC recommends:
Replacement: suspension strut – OPEL ASTRA H (L48). Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 32

Remove the spring.
Step 33

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

Replacement: suspension strut – OPEL ASTRA H (L48). Tip from AUTODOC experts:
Before installing a new shock absorber you should pump it manually 3-5 times.
Step 34

Install the new shock absorber on the hydraulic coil spring compressor.
Step 35

Install the spring on the shock absorber.
Step 36

Compress the spring.
Step 37

Install the dust sleeve and the bump stop on the new shock absorber.
Step 38

Install the upper strut mount and the strut mount bearing.
Step 39

Tighten the shock strut piston rod nut. Use HEX No.H6. Use a drive socket #22. Use a torque wrench. Tighten it to 65 Nm torque.

Replacement: suspension strut – OPEL ASTRA H (L48). AUTODOC experts recommend:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 40

Decompress the spring.
Step 41

Remove the assembled shock strut.
Step 42

Treat the shock strut rod. Use copper grease.

Step 43

Install the shock strut into the wheel arch.

AUTODOC recommends:
Important! Hold the suspension strut while screwing in the fastening bolts. OPEL ASTRA H (L48)
Step 44

Treat the shock strut mounting seat on the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 45

Fix the shock absorber strut on the steering knuckle.
Step 46

Install the fastening bolts.
Step 47

Raise the hydraulic transmission jack by 10-15 cm.
Step 48

Install the retainer of the shock strut upper mount. Use water pump pliers.
Step 49

Connect the fastener of the ABS sensor cable to the shock absorber strut.
Step 50

Fasten the brake hose on the strut. Use a rubber mallet.
Step 51

Tighten the lower fasteners connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 105 Nm torque.
Step 52

Ιnstall the transverse stabilizer link.
Step 53

Tighten the fastener connecting the stabilizer link to the shock strut. Use a drive socket #19. Use a combination spanner #19. Use a torque wrench. Tighten it to 55 Nm torque.
Step 54

Remove the support from under the steering knuckle.

Replacement: suspension strut – OPEL ASTRA H (L48). Tip from AUTODOC experts:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 55

Treat the shock strut fasteners. Treat all joints of the arm. Use copper grease.
Step 56

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 57

Clean the brake disk surface. Use a brake cleaner.

Replacement: suspension strut – OPEL ASTRA H (L48). AUTODOC recommends:
After applying the spray, wait a few minutes.
Step 58

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. OPEL ASTRA H (L48)
Step 59

Screw in the wheel bolts. Use wheel impact socket #17.
Step 60

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 110 Nm torque.
Step 61

Remove the jacks and chocks.
Step 62

Install the shock strut mount cap.

Step 63

Install and secure the cowl grille.
Step 64

Install the cowl grille seal.

Step 65

Remove the fender protection cover.

Step 66

Close the hood.

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