Recommended replacement interval for the part category Brake disc : 50000 km

Important!

This replacement procedure can be used for:
FIAT 500 (312) 0.9 (312AXM1B), FIAT 500 (312) 1.4 (301J410) … View more

The steps may slightly vary depending on the car design.

How to change rear brake discs on FIAT 500 (312) [TUTORIAL AUTODOC]

All the parts you need to replace – Brake Discs for 500 (312) and other FIAT models

Brake disc

Brake disc for 500 Hatchback (312) Petrol (105 hp)

Simple DIY car repair steps – Replacing Brake disc on 500 Hatchback (312)

Brake disc for 500 Hatchback (312) Petrol (135 hp)

Replacement: brake discs – Fiat 500 312. Tools you need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Copper grease 
                      
                        Combination spanner #13
                      
                        Combination spanner #17
                      
                        Drive socket # 12 
                      
                        Drive socket # 13 
                      
                        Wheel impact socket #17
                      
                        Brake caliper wind back tool
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Rubber mallet
                      
                        Crow bar
                      
                        Wheel chock

Buy tools

Replacement: brake discs – Fiat 500 312. AUTODOC experts recommend:

Replace the brake disks on the car Fiat 500 312 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
The replacement procedure is identical for both brake disks on the same axle.
When changing the brake discs, always replace the brake pads.
Please note: all work on the car – Fiat 500 312 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.
Step 3

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4

Raise the rear of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake discs – Fiat 500 312. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 8

Unscrew the brake caliper fastening. Use a drive socket #13. Use a combination spanner #17. Use a ratchet wrench.
Step 9

Remove the brake caliper.

Replacement: brake discs – Fiat 500 312. AUTODOC recommends:
Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
Step 10

Remove the brake pads. Use a crowbar.
Step 11

Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 12

Unscrew the caliper bracket fastening. Use a combination spanner #13.
Step 13

Remove the caliper bracket.
Step 14

Clean the brake disk surface. Use a wire brush. Use WD-40 spray.
Step 15

Unscrew the brake disc fastening. Use a drive socket #12. Use a ratchet wrench.

Replacement: brake discs – Fiat 500 312. Tip from AUTODOC:
If necessary, use a rubber mallet.
Step 16

Remove the brake disc.

Step 17

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 18

Install the brake disc.
Step 19

Tighten the brake disc fastening. Use a drive socket #12. Use a torque wrench. Tighten it to 9 Nm torque.
Step 20

Install the brake caliper bracket.
Step 21

Tighten the brake caliper bracket. Use a combination spanner #13. Use a torque wrench. Tighten it to 54 Nm torque.
Step 22

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – Fiat 500 312. After applying the spray, wait a few minutes.
Step 23

Install the brake pads.
Step 24

Treat the brake caliper piston. Use a brake cleaner.

Replacement: brake discs – Fiat 500 312. Tip:
After applying the spray, wait a few minutes.
Step 25

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 26

Install the brake caliper and fix it. Use a combination spanner #17. Use a drive socket #13. Use a ratchet wrench. Use a torque wrench. Tighten it to 27 Nm torque.

Step 27

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake discs – Fiat 500 312. After applying the spray, wait a few minutes.
Step 28

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 29

Install the wheel.

Replacement: brake discs – Fiat 500 312. Tip from AUTODOC experts:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 30

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

Step 31

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 98 Nm torque.

AUTODOC recommends:
Important! Replacement: brake discs – Fiat 500 312. Check the brake fluid level in the reservoir and top up if necessary.
Step 32

Tighten the brake fluid reservoir cap. Close the hood.

AUTODOC recommends:
Fiat 500 312 – Without starting the engine, press the brake pedal several times until it feels firm.
Step 33

Remove the jacks and chocks.

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