Important!

This replacement procedure can be used for:
ALFA ROMEO 147 (937) 2.0 16V T.SPARK (937.AXA1, 937.AXC1, 937.BXC1), ALFA ROMEO 147 (937) 1.6 16V T.SPARK ECO (937.AXA1A, 937.BXA1A), ALFA ROMEO 147 (937) 1.9 JTD (937.AXD1A, 937.BXD1A, 937.AXV1A, 937.BXB1A,..., ALFA ROMEO 147 (937) 3.2 GTA (937.AXL1), ALFA ROMEO 147 (937) 1.9 JTD 16V (937.AXG1B, 937.BXG1B), ALFA ROMEO 147 (937) 1.9 JTD (937.AXF1A, 937.BXF1A), ALFA ROMEO 147 (937) 1.9 JTDM 8V (937.AXD1A, 937.AXU1A, 937.BXU1A), ALFA ROMEO 147 (937) 1.9 JTDM 16V (937.AXN1B, 937.BXN1B), ALFA ROMEO 147 (937) 1.9 JTD 16V (937.AXG1B, 937.BXG1B), ALFA ROMEO 147 (937) 1.9 JTD 16V (937.AXM1B, 937.AXS1B), ALFA ROMEO 147 (937) 1.9 JTDM (937.AXD1A, 937.AXV1A, 937.BXB1A), ALFA ROMEO 147 (937) 2.0 (937.AXC, 937.BXC), ALFA ROMEO 147 (937) 1.9 JTDM 16V (937.AXN1B, 937.AXZ1B), ALFA ROMEO 147 (937) 1.9 JTD (937AXD1A, 937BXD1A), ALFA ROMEO 147 (937) 1.6 LPG (937BXB1A), ALFA ROMEO 147 (937) 1.6 LPG (937AXA1A) … View more

The steps may slightly vary depending on the car design.

How to change front suspension arm on ALFA ROMEO 147 (937) [TUTORIAL AUTODOC]

Alternative products

Suspension arm

Replacement: front lower arm – Alfa Romeo 147 937. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Torque wrench
                    
                      Combination spanner #19
                    
                      Drive socket # 15
                    
                      Drive socket # 17
                    
                      Drive socket # 19
                    
                      Drive socket # 24
                    
                      Drive socket # 38
                    
                      Wheel impact socket #17
                    
                      Ball joint puller
                    
                      Ratchet wrench
                    
                      Phillips screwdriver
                    
                      Tap wrench
                    
                      Crow bar
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: front lower arm – Alfa Romeo 147 937. AUTODOC experts recommend:

The replacement procedure is identical for the left and right lower control arms.
Please note: all work on the car – Alfa Romeo 147 937 – 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

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. Alfa Romeo 147 937
Step 5

Remove the wheel.
Step 6

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 7

Clean the fastener of the driveshaft. Use a wire brush. Use WD-40 spray.
Step 8

Loosen the fastener of the driveshaft. Use a drive socket #38. Use a tap wrench.
Step 9

Remove the fastening nut.
Step 10

Unscrew the fastening bolt that connects the shock absorber fork with the lower control arm. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 11

Remove the fastening bolt.
Step 12

Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #24. Use a ratchet wrench.
Step 13

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

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 15

Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
Step 16

Unscrew the fastener that connects the suspension arm to the steering knuckle. Use a drive socket #17. Use a ratchet wrench.
Step 17

Detach the control arm. Use a ball joint puller.
Step 18

Remove the fastener attaching the brake hose to the shock strut. Use a crowbar.
Step 19

Detach the brake hose from the shock strut.
Step 20

Disconnect the ABS sensor wiring.
Step 21

Detach the driveshaft from the steering knuckle.

Replacement: front lower arm – Alfa Romeo 147 937. AUTODOC experts recommend:
Make sure that the drive shaft is not unloaded (when the car is jacked).
Step 22

Unscrew the fastener connecting the control arm to the subframe. Use a drive socket #15. Use a ratchet wrench.
Step 23

Unscrew and remove the wheel arch cover fasteners. Use a Phillips screwdriver.
Step 24

Remove the wheel arch cover.
Step 25

Remove the arm. Use a crowbar.
Step 26

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 27

Clean the splines of the drive shaft CV joint. Use a wire brush. Use WD-40 spray.
Step 28

Install a new arm.

Replacement: front lower arm – Alfa Romeo 147 937. AUTODOC recommends:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 29

Install the drive shaft.
Step 30

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 31

Screw in the fastener that connects the suspension arm to the steering knuckle. Use a drive socket #17. Use a ratchet wrench.
Step 32

Raise the hydraulic transmission jack by 10-15 cm.
Step 33

Screw the fastener connecting the control arm to the subframe. Use a drive socket #15. Use a ratchet wrench.
Step 34

Tighten the fastener connecting the control arm to the subframe. Use a drive socket #15. Use a torque wrench. Tighten it to 71 nm torque.
Step 35

Remove the support from under the steering knuckle.

AUTODOC recommends:
Replacement: front lower arm – Alfa Romeo 147 937. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 36

Install the fastening bolt.
Step 37

Screw in the fastener connecting the shock absorber fork to the lower control arm. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 38

Connect the ball joint to the steering knuckle.

Step 39

Screw the fastener connecting the ball joint to the steering knuckle. Use a drive socket #24. Use a ratchet wrench.
Step 40

Tighten the fastener connecting the ball joint to the steering knuckle. Use a drive socket #24. Use a torque wrench. Tighten it to 90 nm torque.
Step 41

Support the arm. Use a hydraulic transmission jack.
Step 42

Tighten the fastener that connects the suspension arm to the steering knuckle. Use a drive socket #17. Use a torque wrench. Tighten it to 50 nm torque.

Step 43

Tighten the fastening bolt that connects the shock absorber fork to the lower control arm. Use a combination spanner #19. Use a drive socket #19. Use a torque wrench. Tighten it to 110 nm torque.
Step 44

Remove the support from under the arm.

AUTODOC recommends:
Alfa Romeo 147 937 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 45

Connect the ABS sensor wiring.
Step 46

Fasten the brake hose on the strut.
Step 47

Install the brake hose retaining clip.
Step 48

Install the fastening nut.
Step 49

Screw the nut of the drive shaft. Use a drive socket #38. Use a ratchet wrench.
Step 50

Tighten the drive shaft nut. Use a drive socket #38. Use a torque wrench. Tighten it to 177 Nm torque.
Step 51

Treat all joints of the arm. Use copper grease.
Step 52

Install the wheel arch cover to its mounting seat.
Step 53

Install and tighten the wheel arch cover fasteners. Use a Phillips screwdriver.
Step 54

Clean the wheel rim mounting seat. Use a wire brush.
Step 55

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 56

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: front lower arm – Alfa Romeo 147 937. After applying the spray, wait a few minutes.
Step 57

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Alfa Romeo 147 937
Step 58

Screw in the wheel bolts. Use wheel impact socket #17.
Step 59

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 108 Nm torque.
Step 60

Remove the jacks and chocks.

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