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How to change rear coil springs on Alfa Romeo 159 Sportwagon – replacement guide

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Important!

This replacement procedure can be used for:
ALFA ROMEO 159 Sportwagon (939) 2.0 JTDM (939BXQ1B), ALFA ROMEO 159 Sportwagon (939) 1.9 JTS (939BXA1B), 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 (939.BXM1B), ALFA ROMEO 159 Sportwagon (939) 1.8 MPI (939BXL1A), ALFA ROMEO 159 Sportwagon (939) 1.8 TBi (939BXN1B), ALFA ROMEO 159 Sportwagon (939) 2.0 JTDM (939BXP1B), ALFA ROMEO 159 Sportwagon (939) 2.0 JTDM (939BXR1B) … View more

The steps may slightly vary depending on the car design.

How to change rear springs on ALFA ROMEO 159 (939) [TUTORIAL AUTODOC]

Alternative products

Coil spring

Replacement: coil springs – Alfa Romeo 159 Sportwagon. Tools you need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Copper grease 
                    
                      Combination spanner #17
                    
                      Combination spanner #18
                    
                      Combination spanner #21
                    
                      Combination spanner #22
                    
                      Drive socket # 8 
                    
                      Drive socket # 10 
                    
                      Drive socket # E14 
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Drive socket # 21 
                    
                      Drive socket # 22 
                    
                      Torx bit T25
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Phillips screwdriver
                    
                      Clip removal tool
                    
                      Locking pliers
                    
                      Rubber mallet
                    
                      Crow bar
                    
                      Hydraulic strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: coil springs – Alfa Romeo 159 Sportwagon. Tip from AUTODOC:

Both coil springs of the rear suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right coil springs of the rear suspension.
Please note: all work on the car – Alfa Romeo 159 Sportwagon – should be done with the engine switched off.

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

Open the boot lid.
Step 4

Move the folding shelf and detach it from the retainers. By doing this, you will get access to the side trim plastic panels.
Step 5

Fold down the backrests of the rear seats.
Step 6

Raise the lower lining of the boot.
Step 7

Remove the clips of the boot front lower lining. Use a clip removal tool.
Step 8

Remove the boot front lower lining.
Step 9

Remove the clips of the boot side lining. Use a clip removal tool.
Step 10

Unscrew the fastener of the boot side lining. Use Torx T25. Use a ratchet wrench.
Step 11

Unscrew the fastener of the central protective plastic panel. Use Torx T25. Use a ratchet wrench. Use a Phillips screwdriver.
Step 12

Unscrew the fasteners of the side plastic trim panel. Use a Phillips screwdriver.
Step 13

Remove the central protective plastic panel.
Step 14

Remove the side plastic cover.
Step 15

Remove the cover of the boot side lining.
Step 16

Detach the boot side lining.
Step 17

Remove the seat belt trim cover. Use a drive socket #10. Use a ratchet wrench.
Step 18

Remove the boot side lining.
Step 19

Detach the bulb connector.
Step 20

Unscrew the fastener and remove the boot side sound insulation.
Step 21

Clean the fasteners of the shock absorber upper mount. Use WD-40 spray.
Step 22

Raise the rear of the car and secure on supports.

Step 23

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Alfa Romeo 159 Sportwagon
Step 24

Remove the wheel.
Step 25

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 26

Unscrew the fastener connecting the stabilizer bar with the control arm. Use a drive socket #18.
Step 27

Clean the shock strut fasteners. Use a wire brush. Use WD-40 spray.
Step 28

Unscrew the fastener connecting the shock strut to the suspension control arm. Use a combination spanner #21. Use a drive socket #21. Use a ratchet wrench.
Step 29

Remove the fastening bolt.
Step 30

Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
Step 31

Unscrew the top fastening of the shock strut mount. Use a drive socket #E14. Use a ratchet wrench.
Step 32

Clean the fastener connecting the rear knuckle to the suspension control arm. Use a wire brush. Use WD-40 spray.
Step 33

Make a mark on the camber adjustment bolt.
Step 34

Unscrew the rear fastener connecting the rear knuckle to the suspension control arm. Use a combination spanner #22.
Step 35

Remove the fastening bolt. Use a crowbar. Use a rubber mallet.
Step 36

Unscrew the front fastener connecting the rear knuckle to the suspension control arm. Use a combination spanner #21.
Step 37

Remove the fastening bolt.
Step 38

Detach the rear knuckle from the suspension control arm.

Step 39

Support the stub axle. Use a hydraulic transmission jack.
Step 40

Remove the strut piston rod nut. Use a drive socket #16.
Step 41

Pull down the suspension control arm. Use a crowbar.
Step 42

Remove the suspension strut.
Step 43

Set the shock absorber strut on the spring compressor tool.

Replacement: coil springs – Alfa Romeo 159 Sportwagon. Tip from AUTODOC experts:
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 44

Compress the spring.
Step 45

Remove the strut piston rod nut. Use a combination spanner #17. Use a drive socket #8. Use a ratchet wrench.
Step 46

Remove the top strut mount. Use a crowbar.
Step 47

Release the coil spring.
Step 48

Remove the spring.

AUTODOC recommends:
Replacement: coil springs – Alfa Romeo 159 Sportwagon. Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 49

Install the spring on the shock absorber.
Step 50

Compress the spring.
Step 51

Install the upper strut mount and the strut mount bearing.
Step 52

Tighten the shock strut piston rod nut. Use a combination spanner #17. Use locking pliers. Use a torque wrench. Tighten it to 37 Nm torque.

Replacement: coil springs – Alfa Romeo 159 Sportwagon. AUTODOC recommends:
Check to make sure the spring is positioned correctly. Avoid its misalignment. Important! Be sure to use new fasteners.
Step 53

Decompress the spring.
Step 54

Remove the assembled shock strut.
Step 55

Clean the mounting seats of the shock strut. Use a wire brush. Use WD-40 spray.
Step 56

Install the shock strut into the wheel arch.
Step 57

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

AUTODOC recommends:
Alfa Romeo 159 Sportwagon – To avoid injury, hold the suspension strut while screwing in the fastening bolts.
Step 58

Install the fastening bolt.
Step 59

Clean the mounting seats of the rear knuckle. Use a wire brush. Use WD-40 spray.
Step 60

Lower the hydraulic transmission jack by 10-15 cm.

AUTODOC recommends:
Alfa Romeo 159 Sportwagon – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 61

Attach the rear knuckle to the suspension control arm.
Step 62

Support the arm. Use a hydraulic transmission jack.
Step 63

Install the fastening bolt. Use a crowbar.
Step 64

Screw in the rear fastener connecting the rear knuckle to the suspension control arm. Use a combination spanner #22.
Step 65

Install the fastening bolt. Use a crowbar.
Step 66

Screw in the front fastener connecting the rear knuckle to the suspension control arm. Use a combination spanner #21.
Step 67

Raise the hydraulic transmission jack by 10-15 cm.
Step 68

Tighten the rear fastener connecting the rear knuckle to the suspension control arm. Use a drive socket #21. Use a torque wrench. Tighten it to 105 Nm torque.+45°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 69

Tighten the front fastener connecting the rear knuckle to the suspension control arm. Use a drive socket #22. Use a torque wrench. Tighten it to 105 Nm torque.+90°

Replacement: coil springs – Alfa Romeo 159 Sportwagon. Tip from AUTODOC experts:
Important! Be sure to use new fasteners.
Step 70

Tighten the fastener connecting the shock strut to the suspension control arm. Use a combination spanner #21. Use a drive socket #21. Use a torque wrench. Tighten it to 130 Nm torque.
Step 71

Treat the rear knuckle fasteners. Use copper grease.
Step 72

Remove the support from under the arm.

AUTODOC recommends:
Replacement: coil springs – Alfa Romeo 159 Sportwagon. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 73

Tighten the upper fastener of the shock absorber strut mount. Use a drive socket #E14. Use a torque wrench. Tighten it to 30 Nm torque.
Step 74

Tighten the fastener connecting the stabilizer bar with the control arm. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 55 Nm torque.
Step 75

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 76

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Alfa Romeo 159 Sportwagon
Step 77

Screw in the wheel bolts. Use wheel impact socket #17.
Step 78

Lower the car.
Step 79

Tighten the shock strut piston rod nut. Use a drive socket #16. Use a torque wrench. Tighten it to 37 Nm torque.
Step 80

Install the boot side sound insulation and screw in its fasteners.
Step 81

Attach the side lining of the boot.
Step 82

Attach the bulb connector. Install the clips of the boot side lining.
Step 83

Screw in the fastener of the boot side lining. Use Torx T25. Use a ratchet wrench.
Step 84

Install the cover of the boot side lining.
Step 85

Install the side plastic panel.

Step 86

Screw the fasteners of the side plastic trim panel. Use a Phillips screwdriver.
Step 87

Install the central protective plastic panel.
Step 88

Screw in the fastener of the central protective plastic panel. Use Torx T25. Use a ratchet wrench. Use a Phillips screwdriver.
Step 89

Install the boot front lower lining.
Step 90

Install the clips of the boot front lower lining.
Step 91

Install the seat belt trim cover. Use a drive socket #10.
Step 92

Return the seat to its original position.
Step 93

Put down the lower lining of the boot.
Step 94

Install the folding shelf to its mounting seat.
Step 95

Close the lid of the luggage compartment.
Step 96

Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench. Tighten it to 120 Nm torque.
Step 97

Remove the jacks and chocks.

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