Important!

This replacement procedure can be used for:
OPEL Astra G CC (T98) 1.2 16V (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 1.6 16V (F08, F48), OPEL Astra G CC (T98) 1.8 16V (F08, F48), OPEL Astra G CC (T98) 2.0 16V (F08, F48), OPEL Astra G CC (T98) 1.7 TD (F08, F48), OPEL Astra G CC (T98) 2.0 DI (F08, F48), OPEL Astra G CC (T98) 2.2 DTI (F08, F48), OPEL Astra G CC (T98) 1.4 16V (F08, F48), OPEL Astra G CC (T98) 2.0 16V OPC (F08, F48), OPEL Astra G CC (T98) 2.0 DTI 16V (F08, F48), OPEL Astra G CC (T98) 1.7 DTI 16V (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 1.8 16V (F08, F48), OPEL Astra G CC (T98) 2.2 16V (F08, F48), OPEL Astra G CC (T98) 2.0 OPC (F08, F48), OPEL Astra G CC (T98) 2.2 DTI (F08, F48), OPEL Astra G CC (T98) 1.7 CDTI (F08, F48), OPEL Astra G CC (T98) 1.6 (F08, F48), OPEL Astra G CC (T98) 2.0 OPC (F08, F48), OPEL Astra G CC (T98) 1.8 (F08, F48), OPEL Astra G CC (T98) 1.4 (F08, F48), OPEL Astra G CC (T98) 1.6 LPG (F08, F48) … View more

The steps may slightly vary depending on the car design.

How to change a front shock strut on OPEL ASTRA G CC (F48, F08) [TUTORIAL AUTODOC]

Alternative products

Replacement: suspension strut – Opel Astra G F48. Tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Copper grease 
                    
                      Drive socket # 9 
                    
                      Drive socket # 17 
                    
                      Drive socket # 18 
                    
                      Combination spanner #18
                    
                      Combination spanner #19
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Flat screwdriver
                    
                      Tap wrench
                    
                      Crow bar
                    
                      Hydraulic transmission jack
                    
                      Hydraulic strut spring compressor
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: suspension strut – Opel Astra G F48. AUTODOC experts recommend:

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 G F48. Recommended sequence of 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

Secure the wheels with chocks.
Step 4

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 5

Raise the front of the car and secure on supports.
Step 6

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Opel Astra G F48
Step 7

Remove the wheel.
Step 8

Clean the fasteners connecting the stabiliser link to the shock strut, and those connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 9

Unscrew the nut and remove the stabilizer rod from the shock strut. Use a combination spanner #19. Use a drive socket #18. Use a ratchet wrench.
Step 10

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 11

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 12

Remove the fastening bolts.
Step 13

Disconnect the brake hose holder from the shock absorber strut. Use a crowbar.
Step 14

Disconnect the steering knuckle from the shock absorber strut.
Step 15

Unscrew the upper fastening of the shock absorber strut. Use a combination spanner #19. Use a drive socket #9. Use a ratchet wrench.

Replacement: suspension strut – Opel Astra G F48. Professionals recommend:
To avoid injuries, hold the shock strut when undoing the fastening bolts.
Step 16

Remove the suspension strut.
Step 17

Set the shock absorber strut on the spring compressor tool.

Replacement: suspension strut – Opel Astra G F48. 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 18

Compress the spring.
Step 19

Remove the strut piston rod nut. Use a combination spanner #19. Use a drive socket #9.
Step 20

Remove the shock absorber mount, boot and bump stop.
Step 21

Release the coil spring.
Step 22

Remove the spring.
Step 23

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

AUTODOC recommends:
Replacement: suspension strut – Opel Astra G F48. Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 24

Install the new shock absorber on the hydraulic coil spring compressor.
Step 25

Install the spring on the shock absorber.
Step 26

Compress the spring.
Step 27

Before installing a new shock absorber you should pump it manually 3-5 times.
Step 28

Install the mount, boot and bump stop onto a new shock absorber.

Step 29

Tighten the shock strut piston rod nut. Use a combination spanner #19. Use a drive socket #9. Use a torque wrench. Tighten it to 50 Nm torque.

Replacement: suspension strut – Opel Astra G F48. Tip from AUTODOC:
Check to make sure the spring is positioned correctly. Avoid its misalignment. Important! Be sure to use new fasteners.
Step 30

Decompress the spring.
Step 31

Remove the assembled shock strut.
Step 32

Install the shock strut into the wheel arch.
Step 33

Tighten the upper fastening nut of the shock absorber strut. Do not tighten it.

AUTODOC recommends:
Important! Hold the suspension strut while screwing in the fastening bolts. Opel Astra G F48
Step 34

Clean the mounting seats of the shock strut. Use WD-40 spray.
Step 35

Fix the shock absorber strut on the steering knuckle.
Step 36

Fasten the brake hose on the strut.
Step 37

Install the new steering knuckle bolts.
Step 38

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 90 Nm torque.+45°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 39

Secure the stabilizer link on the suspension strut. Use a combination spanner #19. Use a drive socket #18. Use a torque wrench. Tighten it to 65 Nm torque.
Step 40

Treat the shock strut fasteners. Treat all joints of the stabiliser link. Use copper grease.
Step 41

Remove the support from under the steering knuckle.

Replacement: suspension strut – Opel Astra G F48. Tip:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 42

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 43

Install the wheel.

Replacement: suspension strut – Opel Astra G F48. Tip from AUTODOC experts:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 44

Screw in the wheel bolts. Use wheel impact socket #17.
Step 45

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 110 Nm torque.
Step 46

Tighten the shock strut top mount. Use a drive socket #19. Use a torque wrench. Tighten it to 50 Nm torque.

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 47

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 48

Remove the jacks and chocks.
Step 49

Remove the fender protection cover.
Step 50

Close the hood.

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