Important!

This replacement procedure can be used for:
ALFA ROMEO 159 Sportwagon (939) 1.9 JTS (939BXA1B), ALFA ROMEO 159 Sportwagon (939) 3.2 JTS Q4 (939BXG2B, 939BXG22), ALFA ROMEO 159 Sportwagon (939) 1.9 JTDM 8V (939BXE1B), ALFA ROMEO 159 Sportwagon (939) 1.9 JTDM 16V (939BXC1B, 939BXC12), ALFA ROMEO 159 Sportwagon (939) 2.4 JTDM (939BXD1B, 939BXD12), ALFA ROMEO 159 Sportwagon (939) 1.9 JTDM 16V (939BXC1B), ALFA ROMEO 159 Sportwagon (939) 1.9 JTDM 8V (939AXH1B, 939BXH1B), ALFA ROMEO 159 Sportwagon (939) 2.4 JTDM Q4 (939BXM2B), ALFA ROMEO 159 Sportwagon (939) 2.4 JTDM (939.BXM1B), ALFA ROMEO 159 Sportwagon (939) 1.8 MPI (939BXL1A), ALFA ROMEO 159 Sportwagon (939) 3.2 JTS (939BXH1B) … View more

The steps may slightly vary depending on the car design.

How to change front suspension arm on ALFA ROMEO 159 (939) [TUTORIAL AUTODOC]

All the parts you need to replace – Control Arm for 159 Sportwagon (939) and other ALFA ROMEO models

Suspension arm

        Suspension arm for 159 Sportwagon (939) Petrol (160 hp)
      
        Suspension arm for 159 Sportwagon (939) Petrol (260 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (120 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (150 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (200 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (136 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (115 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (210 hp)
      
        Suspension arm for 159 Sportwagon (939) Diesel (210 hp)

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Tools you need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Copper grease 
                      
                        Combination spanner #18
                      
                        Drive socket # 16 
                      
                        Drive socket # 18 
                      
                        Drive socket # E18 
                      
                        Drive socket # 21 
                      
                        HEX bit No.H6.
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Tap wrench
                      
                        Crow bar
                      
                        Ball joint puller
                      
                        Hydraulic transmission jack
                      
                        Fender cover
                      
                        Wheel chock

Buy tools

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. AUTODOC recommends:

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

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Use the following procedure:

Step 1

Open the hood.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
Step 4

Loosen the upper fastener of the shock strut mount. Use a drive socket #16. Use a ratchet wrench.
Step 5

Secure the wheels with chocks.
Step 6

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 7

Raise the front of the car and secure on supports.
Step 8

Unscrew the wheel bolts.

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 9

Remove the wheel.
Step 10

Clean all joints of the arm. Clean the shock strut fasteners. Use a wire brush. Use WD-40 spray.
Step 11

Undo the fastening nut that attaches the stabilizer link to the shock absorber fork. Use a drive socket #18.
Step 12

Remove the stabilizer rod.
Step 13

Unscrew the fastening bolt that connects the shock strut with the shock absorber fork. Use a drive socket #18. Use a tap wrench.
Step 14

Unscrew the fastening bolt that connects the shock absorber fork with the lower control arm. Use a drive socket #21. Use a tap wrench.
Step 15

Remove the fastening bolt.
Step 16

Clean the fastener that attaches the shock absorber fork to the shock strut. Use a wire brush. Use WD-40 spray.
Step 17

Detach the shock absorber fork from the shock strut.
Step 18

Unscrew the top fastening of the shock strut mount.

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. AUTODOC experts recommend:
To avoid injuries, hold the shock strut when undoing the fastening bolts.
Step 19

Remove the suspension strut.
Step 20

Support the arm. Use a hydraulic transmission jack.
Step 21

Unscrew the fasteners of the ball joint. Use a drive socket #16. Use a ratchet wrench.
Step 22

Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
Step 23

Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
Step 24

Unscrew the upper control arm fasteners (2 pieces). Use a drive socket #E18. Use a tap wrench.
Step 25

Remove the fastening bolts.
Step 26

Remove the arm. Use a crowbar.
Step 27

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 28

Install a new arm.

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Tip from AUTODOC:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 29

Install the control arm fasteners.
Step 30

Connect the ball joint to the steering knuckle.
Step 31

Screw the fasteners of the ball joint. Use a drive socket #18. Use a ratchet wrench.
Step 32

Screw in the fastener of the upper control arm (2 pieces). Use a drive socket #E18. Use a ratchet wrench.
Step 33

Raise the hydraulic transmission jack by 10-15 cm.
Step 34

Tighten the ball joint fastener. Use a drive socket #18. Use a torque wrench. Tighten it to 45 Nm torque.
Step 35

Tighten the upper control arm fasteners (2 pieces). Use a drive socket #E18. Use a torque wrench. Tighten it to 85 nm torque.
Step 36

Remove the support from under the arm.

AUTODOC recommends:
Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 37

Install the shock strut into the wheel arch.
Step 38

Screw the top fastening of the shock strut mount. Do not tighten it.

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Professionals recommend:
To avoid injuries, hold the shock strut when screwing the fastening bolts in.
Step 39

Clean the mounting seats of the shock absorber fork. Use a wire brush. Use WD-40 spray.
Step 40

Attach the shock absorber fork to the shock strut.
Step 41

Install the fastening bolt.
Step 42

Support the arm. Use a hydraulic transmission jack.
Step 43

Screw in the fastener connecting the shock absorber fork to the lower control arm. Use a drive socket #21. Use a tap wrench.
Step 44

Tighten the fastening bolt that connects the shock strut with the shock absorber fork. Use a drive socket #18. Use a torque wrench. Tighten it to 77 Nm torque.
Step 45

Tighten the fastening bolt that connects the shock absorber fork to the lower control arm. Use a drive socket #21. Use a torque wrench. Tighten it to 55 Nm torque.+45°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 46

Ιnstall the transverse stabilizer link.
Step 47

Tighten the fastener connecting the stabilizer link with the shock absorber fork. Use a combination spanner #18. Use HEX No.H6. Use a torque wrench. Tighten it to 60 Nm torque.
Step 48

Treat all joints of the arm. Treat the shock strut fasteners. Use copper grease.
Step 49

Remove the support from under the arm.

AUTODOC recommends:
Alfa Romeo 159 Sportwagon – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 50

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 51

Install the wheel.

Replacement: front upper arm – Alfa Romeo 159 Sportwagon. Tip from AUTODOC:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 52

Screw in the wheel bolts. Use wheel impact socket #17.
Step 53

Lower the car.
Step 54

Tighten the upper fastener of the shock absorber strut mount. Use a drive socket #16. Use a torque wrench. Tighten it to 44 Nm torque.
Step 55

Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench. Tighten it to 120 Nm torque.
Step 56

Remove the jacks and chocks.
Step 57

Remove the fender protection cover.
Step 58

Close the hood.

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