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How to change front suspension strut on PEUGEOT 307 CC (3B) – replacement guide

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Important!

This replacement procedure can be used for:
PEUGEOT 307 CC (3B) 2.0 HDi … 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

Shock absorber

Replacement: suspension strut – PEUGEOT 307 CC (3B). Tools you might need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Torque wrench
                    
                      Combination spanner #16
                    
                      Combination spanner #18
                    
                      Drive socket # 10 
                    
                      Drive socket # 15 
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Drive socket # 21 
                    
                      HEX bit No.H7.
                    
                      Torx bit T20
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Hammer
                    
                      Pin punch
                    
                      Clip removal tool
                    
                      Universal puller
                    
                      Hydraulic strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: suspension strut – PEUGEOT 307 CC (3B). Tip from AUTODOC:

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

Replacement: suspension strut – PEUGEOT 307 CC (3B). Recommended sequence of steps:

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 wiper arms. Use a wire brush. Use WD-40 spray.
Step 4

Unscrew the fasteners of the windscreen wiper arms. Use a drive socket #16. Use a ratchet wrench.
Step 5

Remove the wiper arms. Use a universal puller.
Step 6

Unscrew the fasteners of the brake fluid reservoir. Use Torx T20. Use a ratchet wrench.
Step 7

Remove the clips of the plastic cowl grille. Use a clip removal tool.
Step 8

Unscrew the fasteners of the cowl grille. Use a drive socket #10. Use a ratchet wrench.
Step 9

Raise up and remove the cowl grille.
Step 10

Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray.
Step 11

Switch on the ignition.

Step 12

Set the windscreen wipers to the service position.
Step 13

Switch off the ignition.

Step 14

Loosen the upper fastener of the shock strut mount. Use HEX No.H7. Use a drive socket #21. Use a ratchet wrench.
Step 15

Secure the wheels with chocks.

Step 16

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

Raise the front of the car and secure on supports.

Step 18

Unscrew the wheel bolts.

Replacement: suspension strut – PEUGEOT 307 CC (3B). AUTODOC experts recommend:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 19

Remove the wheel.
Step 20

Remove the ABS wiring harness bracket.
Step 21

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 22

Unscrew the fastener connecting the stabilizer link to the shock strut. Use a combination spanner #16. Use a drive socket #15. Use a ratchet wrench.
Step 23

Remove the stabilizer rod.

Step 24

Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 25

Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 26

Remove the fastening bolt.
Step 27

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 28

Remove the fastening bolt. Use a pin punch. Use a hammer.
Step 29

Disconnect the steering knuckle from the shock absorber strut.
Step 30

Unscrew the top fastening of the shock strut mount.

AUTODOC recommends:
Important! Hold the suspension strut while unscrewing the fastening bolts. PEUGEOT 307 CC (3B)
Step 31

Remove the suspension strut.
Step 32

Set the shock absorber strut on the spring compressor tool.

Replacement: suspension strut – PEUGEOT 307 CC (3B). AUTODOC experts 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 33

Compress the spring.
Step 34

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 35

Remove the strut piston rod nut. Use HEX No.H7. Use a drive socket #18. Use a ratchet wrench.
Step 36

Remove the top strut mount.
Step 37

Release the coil spring.
Step 38

Remove the spring.
Step 39

Remove the shock absorber dust cap and the bump stop.

AUTODOC recommends:
Replacement: suspension strut – PEUGEOT 307 CC (3B). Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 40

Remove the old shock absorber from the hydraulic coil spring compressor.

Replacement: suspension strut – PEUGEOT 307 CC (3B). Tip:
Before installing a new shock absorber you should pump it manually 3-5 times.
Step 41

Install the new shock absorber on the hydraulic coil spring compressor.
Step 42

Install the dust sleeve and the bump stop on the new shock absorber.
Step 43

Install the spring on the shock absorber.
Step 44

Compress the spring.
Step 45

Install the upper strut mount and the strut mount bearing.
Step 46

Tighten the shock strut piston rod nut. Use a drive socket #18. Use HEX No.H7. Use a torque wrench. Tighten it to 69 Nm torque.

Replacement: suspension strut – PEUGEOT 307 CC (3B). Tip from AUTODOC experts:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 47

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

Decompress the spring.
Step 49

Remove the assembled shock strut.
Step 50

Treat the mounting seats of the shock strut. Use a wire brush. Use WD-40 spray.
Step 51

Install the shock strut into the wheel arch.
Step 52

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

Replacement: suspension strut – PEUGEOT 307 CC (3B). Professionals recommend:
To avoid injuries, hold the shock strut when screwing the fastening bolts in.
Step 53

Treat the shock strut mounting seat on the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 54

Fix the shock absorber strut on the steering knuckle.
Step 55

Install the fastening bolts.
Step 56

Remove the support from under the steering knuckle.

AUTODOC recommends:
Replacement: suspension strut – PEUGEOT 307 CC (3B). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 57

Screw in the fastener that connects the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 58

Clean the mounting seats of the stabiliser link. Use a wire brush. Use WD-40 spray.
Step 59

Ιnstall the transverse stabilizer link.
Step 60

Tighten the fastener connecting the stabilizer link to the shock strut. Use a drive socket #15. Use a torque wrench. Tighten it to 36 Nm torque.
Step 61

Treat all joints of the stabiliser link. Use copper grease.
Step 62

Install the ABS wiring harness bracket.
Step 63

Tighten the lower fasteners connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.
Step 64

Treat the shock strut fasteners. Use copper grease.
Step 65

Clean the wheel rim mounting seat. Use a wire brush.
Step 66

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 67

Clean the brake disk surface. Use a brake cleaner.

Replacement: suspension strut – PEUGEOT 307 CC (3B). Tip from AUTODOC:
After applying the spray, wait a few minutes.
Step 68

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. PEUGEOT 307 CC (3B)
Step 69

Screw in the wheel bolts. Use wheel impact socket #17.
Step 70

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 100 Nm torque.
Step 71

Remove the jacks and chocks.
Step 72

Tighten the upper fastener of the shock absorber strut mount. Use HEX No.H7. Use a drive socket #21. Use a torque wrench. Tighten it to 69 Nm torque.
Step 73

Treat the fasteners of the shock strut mount. Use copper grease.
Step 74

Install and secure the cowl grille.
Step 75

Tighten the fasteners of the cowl grille. Use a drive socket #10. Use a ratchet wrench.
Step 76

Install the fasteners of the wiper plastic cowl grille.
Step 77

Tighten the brake fluid reservoir fasteners. Use Torx T20. Use a ratchet wrench.
Step 78

Switch on the ignition. Return the windscreen wipers from the service position.

Step 79

Switch off the ignition.

Step 80

Reinstall the wiper arms.

Replacement: suspension strut – PEUGEOT 307 CC (3B). AUTODOC recommends:
Make sure not to mix up the wiper arms on the driver's and passenger's sides.
Step 81

Tighten the fasteners of the wiper arms. Use a drive socket #16. Use a torque wrench. Tighten it to 35 Nm torque.

Step 82

Remove the fender protection cover.

Step 83

Close the hood.

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