Important!

This replacement procedure can be used for:
OPEL Astra Classic Saloon (A04) 1.7 CDTi (L69), OPEL Astra Classic Saloon (A04) 1.6 (L69), OPEL Astra Classic Saloon (A04) 1.7 CDTI (L69), OPEL Astra Classic Saloon (A04) 1.8 (L69) … 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 – Strut Mount for Astra Classic Saloon (A04) and other OPEL models

Top strut mount

        Top strut mount for Astra Classic Saloon (A04) Diesel (110 hp)
      
        Top strut mount for Astra Classic Saloon (A04) Petrol (116 hp)
      
        Top strut mount for Astra Classic Saloon (A04) Diesel (125 hp)
      
        Top strut mount for Astra Classic Saloon (A04) Petrol (140 hp)

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. List of the tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner
                      
                        Copper grease
                      
                        HEX bit no.H5.
                      
                        Drive socket # 18
                      
                        Drive socket # 21
                      
                        Combination spanner #18
                      
                        Combination spanner #19
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Pliers 
                      
                        Flat Screwdriver
                      
                        Rubber mallet
                      
                        Water pump pliers
                      
                        Hydraulic strut spring compressor
                      
                        Fender cover
                      
                        Wheel chock

Buy tools

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. Tip from AUTODOC experts:

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

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 #17.
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. OPEL ASTRA CLASSIC Saloon
Step 5

Remove the wheel.
Step 6

Take out the retainer clip and move the brake hose out of the bracket on the shock strut. Use pliers. Use a flat screwdriver.
Step 7

Detach the ABS sensor connector. Use a flat screwdriver.
Step 8

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 9

Unscrew the fastener connecting the stabilizer link to the shock strut. Use a combination spanner #19. Use HEX No.H5. Use a ratchet wrench.
Step 10

Remove the stabilizer rod.
Step 11

Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 12

Unscrew the fasteners connecting the suspension strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 13

Remove the fastening bolts (2 pieces).
Step 14

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

Lower the car.

Step 16

Open the bonnet.

Step 17

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

Step 18

Unscrew the top fastening of the shock strut mount. Use a flat screwdriver.
Step 19

Remove the suspension strut.
Step 20

Set the shock absorber strut on the spring compressor tool.

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. 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 21

Compress the spring.
Step 22

Remove the suspension strut mount cap. Use a flat screwdriver.
Step 23

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 24

Remove the strut piston rod nut. Use a drive socket #21. Use a ratchet wrench.
Step 25

Remove the top strut mount. Use a flat screwdriver.

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. Tip from AUTODOC experts:
Examine the shock absorber dust cap and the bump stop. Replace them if necessary.
Step 26

Clean the mounting seat of the shock strut mount. Use a wire brush. Use WD-40 spray.

Step 27

Install a new top shock strut mount.
Step 28

Tighten the shock strut piston rod nut. Use a drive socket #21. Use a torque wrench. Tighten it to 65 Nm torque.

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. AUTODOC experts recommend:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 29

Treat the shock strut rod. Use copper grease.

Step 30

Decompress the spring.

Step 31

Remove the assembled shock strut.
Step 32

Install the shock strut into the wheel arch.
Step 33

Screw the top fastening of the shock strut mount. Use water pump pliers.
Step 34

Install the suspesion strut mount cap.
Step 35

Remove the fender protection cover.

Step 36

Close the hood.

Step 37

Raise the front of the car and secure on supports.

Step 38

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

Step 39

Fix the shock absorber strut on the steering knuckle.

Step 40

Install the fastening bolts (2 pieces).
Step 41

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 85 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 42

Attach the ABS sensor connector.
Step 43

Fasten the brake hose on the strut.
Step 44

Attach the brake hose retainer clip. Use a rubber mallet.
Step 45

Ιnstall the transverse stabilizer link.
Step 46

Tighten the fastener connecting the stabilizer link to the shock strut. Use a combination spanner #19. Use HEX No.H5. Use a torque wrench. Tighten it to 60 Nm torque.
Step 47

Treat the shock strut fasteners. Treat all joints of the stabiliser link. Use copper grease.
Step 48

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 49

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. After applying the spray, wait a few minutes.
Step 50

Install the wheel.

Replacement: strut mount – OPEL ASTRA CLASSIC Saloon. AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 51

Screw in the wheel bolts. Use wheel impact socket #17.
Step 52

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 110 nm torque.
Step 53

Remove the jacks and chocks.

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