How to change front brake discs on FORD Fiesta Mk4 Hatchback (JAS, JBS) – replacement guide
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The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
Brake disc
- Replace the brake disks on the car FORD FIESTA IV (JA_, JB_) 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.
- All work should be done with the engine stopped.
- 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 #19.
- Step 4
Raise the front of the car and secure on supports.
Step 5
Unscrew the wheel bolts.
Replacement: brake discs – FORD FIESTA IV (JA_, JB_). AUTODOC recommends:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 6
Remove the wheel.
- Step 7
Spread the brake pads. Use a crowbar.
- Step 8
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
- Step 9
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
- Step 10
Detach the brake caliper retaining spring. Use a crowbar.
- Step 11
Remove the brake caliper.
Replacement: brake discs – FORD FIESTA IV (JA_, JB_). Professionals recommend: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. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
- Step 12
Remove the brake pads.
- Step 13
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
- Step 14
Unscrew the caliper bracket fastening. Use a drive socket #13. Use a tap wrench. Use a ratchet wrench.
- Step 15
Remove the caliper bracket.
- Step 16
Remove the brake disc.
- Step 17
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
AUTODOC recommends:Replacement: brake discs – FORD FIESTA IV (JA_, JB_). After applying the spray, wait a few minutes.
- Step 18
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
- Step 19
Install the brake disc.
- Step 20
Install the brake caliper bracket.
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