Important!

This replacement procedure can be used for:
CITROËN C4 CACTUS 1.6 BlueHDi, CITROËN C4 CACTUS 1.2 THP, CITROËN C4 CACTUS 1.2 VTi / PureTech, CITROËN C4 CACTUS 1.6 HDi, CITROËN C4 CACTUS 1.2 VTi … 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

Alternative products

Suspension arm

Replacement: front lower arm – CITROËN C4 CACTUS. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Copper grease 
                    
                      Torx bit T55
                    
                      Drive socket # E8 
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Drive socket # 32 
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Tap wrench
                    
                      Crow bar
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: front lower arm – CITROËN C4 CACTUS. Tip:

The replacement procedure is identical for the left and right lower control arms.
All work should be done with the engine stopped.

Replacement: front lower arm – CITROËN C4 CACTUS. Use the following procedure:

Step 1

Secure the wheels with chocks.
Step 2

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 3

Loosen the fastener of the driveshaft. Use a drive socket #32. Use a tap wrench.
Step 4

Raise the front of the car and secure on supports.

Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. CITROËN C4 CACTUS
Step 6

Remove the wheel.
Step 7

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 8

Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #E8. Use a drive socket #18. Use a ratchet wrench.
Step 9

Remove the fastening bolt.
Step 10

Loosen the rear fastener of the control arm. Use a drive socket #18. Use a tap wrench.
Step 11

Loosen the front fastener of the control arm. Use a drive socket #18. Use a tap wrench.
Step 12

Unscrew the rear arm fastener. Use Torx T55. Use a drive socket #18. Use a ratchet wrench.
Step 13

Remove the fastening bolt.
Step 14

Disconnect the ball joint from the steering knuckle. Use a crowbar.
Step 15

Unscrew the fastener connecting the drive shaft to the wheel hub.
Step 16

Detach the driveshaft from the steering knuckle.
Step 17

Unscrew the front arm fastener. Use Torx T55. Use a drive socket #18. Use a ratchet wrench.
Step 18

Remove the fastening bolt.
Step 19

Remove the arm. Use a crowbar.
Step 20

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 21

Install a new arm.

Replacement: front lower arm – CITROËN C4 CACTUS. AUTODOC recommends:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 22

Install the control arm fasteners.
Step 23

Clean the splines of the drive shaft CV joint. Use WD-40 spray.
Step 24

Mount the drive shaft into the wheel hub.
Step 25

Connect the ball joint to the steering knuckle. Use a crowbar.
Step 26

Support the arm. Use a hydraulic transmission jack.
Step 27

Install the fastening bolt.
Step 28

Screw the fastener connecting the ball joint to the steering knuckle. Use a drive socket #16. Use a drive socket #E8. Use a ratchet wrench.
Step 29

Screw the rear arm fastener. Use a drive socket #18.
Step 30

Screw the front arm fastener. Use a drive socket #18.
Step 31

Tighten the ball joint fastener. Use a drive socket #16. Use a torque wrench. Tighten it to 40 Nm torque.
Step 32

Tighten the front fastener connecting the control arm to the subframe. Use a drive socket #18. Use a torque wrench. Tighten it to 120 Nm torque.
Step 33

Tighten the rear fastener of the control arm. Use a drive socket #18. Use a torque wrench. Tighten it to 120 Nm torque.
Step 34

Remove the support from under the arm.

AUTODOC recommends:
Replacement: front lower arm – CITROËN C4 CACTUS. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 35

Treat all joints of the arm. Use copper grease.
Step 36

Screw the nut of the drive shaft.
Step 37

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 38

Install the wheel.

Replacement: front lower arm – CITROËN C4 CACTUS. AUTODOC experts recommend:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 39

Screw in the wheel bolts. Use wheel impact socket #17.
Step 40

Lower the car.

Step 41

Tighten the drive shaft nut. Use a drive socket #32. Use a torque wrench. Tighten it to 245 Nm torque.
Step 42

Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench. Tighten it to 100 Nm torque.
Step 43

Remove the jacks and chocks.

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