Important!

This replacement procedure can be used for:
ALFA ROMEO 159 (939) 2.0 JTDM (939AXR1B), ALFA ROMEO 159 (939) 2.0 JTDM (939AXP1B), ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXF1B, 939AXC1B), ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B, 939BXE1B, 939BXH1B), ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXC1B, 939AXC12), ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B), ALFA ROMEO 159 (939) 2.2 JTS (939AXB1B, 939AXB11), ALFA ROMEO 159 (939) 1.9 JTS (939AXA1B), ALFA ROMEO 159 (939) 2.0 JTDM (939AXQ1B) … 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 – Springs for 159 (939) and other ALFA ROMEO models

Coil spring

Coil spring buffer

        Coil spring for ALFA ROMEO 159 (939) 2.0 JTDM (939AXQ1B) Diesel (163 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 1.9 JTS (939AXA1B) Petrol (160 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 2.2 JTS (939AXB1B, 939AXB11) Petrol (185 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B) Diesel (120 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXC1B, 939AXC12) Diesel (150 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B, 939BXE1B, 939BXH1B) Diesel (115 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXF1B, 939AXC1B) Diesel (136 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 2.0 JTDM (939AXP1B) Diesel (170 hp)
      
        Coil spring for ALFA ROMEO 159 (939) 2.0 JTDM (939AXR1B) Diesel (136 hp)

Replacement: coil springs – ALFA ROMEO 159 (939). Tools you might need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Copper grease 
                      
                        Combination spanner #6
                      
                        Combination spanner #18
                      
                        Drive socket # 6 
                      
                        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
                      
                        Rubber mallet
                      
                        Hydraulic strut spring compressor
                      
                        Hydraulic transmission jack
                      
                        Fender cover
                      
                        Wheel chock

Buy tools

Replacement: coil springs – ALFA ROMEO 159 (939). AUTODOC experts recommend:

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

Replacement: coil springs – ALFA ROMEO 159 (939). Use the following procedure:

Step 1

Open the bonnet.

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 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.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. ALFA ROMEO 159 (939)
Step 9

Remove the wheel.
Step 10

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.

AUTODOC recommends:
Important! Hold the suspension strut while unscrewing the fastening bolts. ALFA ROMEO 159 (939)
Step 19

Remove the suspension strut.
Step 20

Set the shock absorber strut on the spring compressor tool.

Replacement: coil springs – ALFA ROMEO 159 (939). Professionals 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 21

Compress the spring.
Step 22

Clean the shock absorber rod. Use a wire brush. Use WD-40 spray.
Step 23

Remove the strut piston rod nut. Use a combination spanner #18. Use a drive socket #6. Use a ratchet wrench.
Step 24

Remove the top strut mount. Use a crowbar.
Step 25

Release the coil spring.
Step 26

Remove the spring.
Step 27

Remove the shock absorber dust cap and the bump stop.

AUTODOC recommends:
Replacement: coil springs – ALFA ROMEO 159 (939). Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 28

Install the spring on the shock absorber.
Step 29

Install the boot and a bump stop onto the shock absorber.
Step 30

Compress the spring.
Step 31

Install the upper strut mount and the strut mount bearing.
Step 32

Tighten the shock strut piston rod nut. Use a combination spanner #6. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 33 Nm torque.

Replacement: coil springs – ALFA ROMEO 159 (939). Tip:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 33

Decompress the spring.
Step 34

Remove the assembled shock strut.
Step 35

Install the shock strut into the wheel arch.
Step 36

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

AUTODOC recommends:
ALFA ROMEO 159 (939) – To avoid injury, hold the suspension strut while screwing in the fastening bolts.
Step 37

Clean the mounting seats of the shock absorber fork. Use a wire brush. Use WD-40 spray.
Step 38

Attach the shock absorber fork to the shock strut. Use a rubber mallet.
Step 39

Install the fastening bolt.
Step 40

Support the arm. Use a hydraulic transmission jack.
Step 41

Screw in the fastener connecting the shock absorber fork to the lower control arm. Use a drive socket #E18. Use a drive socket #21. Use a tap wrench.
Step 42

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 43

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 44

Ιnstall the transverse stabilizer link.
Step 45

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 46

Remove the support from under the arm.

AUTODOC recommends:
ALFA ROMEO 159 (939) – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 47

Treat the shock strut fasteners. Use copper grease.
Step 48

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 49

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. ALFA ROMEO 159 (939)
Step 50

Screw in the wheel bolts. Use wheel impact socket #17.
Step 51

Lower the car.
Step 52

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 53

Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench. Tighten it to 120 Nm torque.
Step 54

Remove the jacks and chocks.

Step 55

Remove the fender protection cover.

Step 56

Close the hood.

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