Important!

This replacement procedure can be used for:
VAUXHALL Astra Mk V (H) TwinTop (A04) 1.9 CDTi (L67), VAUXHALL Astra Mk V (H) TwinTop (A04) 2.0 Turbo (L67), VAUXHALL Astra Mk V (H) TwinTop (A04) 1.8 (L67), VAUXHALL Astra Mk V (H) TwinTop (A04) 1.6 i 16V (L67), VAUXHALL Astra Mk V (H) TwinTop (A04) 2.0 (L67), VAUXHALL Astra Mk V (H) TwinTop (A04) 1.6 (L67) … 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 – Control Arm for Astra Mk V (H) TwinTop (A04) and other VAUXHALL models

Suspension arm

        Suspension arm for Astra Mk5 (H) TwinTop (A04) Petrol (105 hp)
      
        Suspension arm for Astra Mk5 (H) TwinTop (A04) Petrol (170 hp)
      
        Suspension arm for Astra Mk5 (H) TwinTop (A04) Petrol (116 hp)
      
        Suspension arm for Astra Mk5 (H) TwinTop (A04) Petrol (140 hp)
      
        Suspension arm for Astra Mk5 (H) TwinTop (A04) Petrol (200 hp)
      
        Suspension arm for Astra Mk5 (H) TwinTop (A04) Diesel (150 hp)

Replacement: front lower arm – VAUXHALL ASTRA Mk V (H) TwinTop. Tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner
                      
                        Copper grease
                      
                        Combination spanner #18
                      
                        Drive socket # 18
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Rubber mallet
                      
                        Hammer
                      
                        Pin punch
                      
                        Crow bar
                      
                        Tap wrench
                      
                        Ball joint puller
                      
                        Hydraulic transmission jack
                      
                        Wheel chock

Buy tools

Replacement: front lower arm – VAUXHALL ASTRA Mk V (H) TwinTop. AUTODOC experts recommend:

The replacement procedure is identical for the left and right lower control arms.
Warning! Shut down the engine before starting any work – VAUXHALL ASTRA Mk V (H) TwinTop.

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:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. VAUXHALL ASTRA Mk V (H) TwinTop
Step 5

Remove the wheel.
Step 6

Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 7

Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 8

Remove the fastening bolt.
Step 9

Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.
Step 10

Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench. Use a tap wrench.
Step 11

Remove the rear fastener of the control arm.

Step 12

Unscrew the front arm fastener. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench. Use a tap wrench.
Step 13

Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
Step 14

Remove the front fastener of the control arm.

Step 15

Remove the arm. Use a crowbar.
Step 16

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 17

Install a new arm. Use a rubber mallet.

Replacement: front lower arm – VAUXHALL ASTRA Mk V (H) TwinTop. Professionals recommend:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 18

Install the front fastener of the arm.

Step 19

Install the rear fastener of the control arm.
Step 20

Connect the ball joint to the steering knuckle. Use a rubber mallet.
Step 21

Install the fastening bolt. Use a pin punch. Use a hammer.
Step 22

Tighten the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 50 Nm torque.
Step 23

Support the arm. Use a hydraulic transmission jack.
Step 24

Tighten the rear fastener of the control arm. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 25

Tighten the front fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 26

Remove the support from under the arm.

AUTODOC recommends:
Replacement: front lower arm – VAUXHALL ASTRA Mk V (H) TwinTop. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 27

Treat all joints of the arm. Use copper grease.
Step 28

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 29

Clean the brake disk surface. Use a brake cleaner.

Replacement: front lower arm – VAUXHALL ASTRA Mk V (H) TwinTop. AUTODOC experts recommend:
After applying the spray, wait a few minutes.
Step 30

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. VAUXHALL ASTRA Mk V (H) TwinTop
Step 31

Screw in the wheel bolts. Use wheel impact socket #17.
Step 32

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 33

Remove the jacks and chocks.

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Find out which tyre and wheel sizes are compatible with the VAUXHALL Astra Mk5 (H) TwinTop (A04) model.

Astra H TwinTop tyre size

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