Important!

This replacement procedure can be used for:
SEAT Leon Hatchback (1M1) 1.6, SEAT Leon Hatchback (1M1) 1.8 20V, SEAT Leon Hatchback (1M1) 1.9 TDI, SEAT Leon Hatchback (1M1) 1.9 TDI, SEAT Leon Hatchback (1M1) 1.4 16V, SEAT Leon Hatchback (1M1) 1.8 20V T, SEAT Leon Hatchback (1M1) 1.9 SDI, SEAT Leon Hatchback (1M1) 1.8 20V T 4, SEAT Leon Hatchback (1M1) 1.6 16 V, SEAT Leon Hatchback (1M1) 2.8 Cupra 4, SEAT Leon Hatchback (1M1) 1.9 TDI, SEAT Leon Hatchback (1M1) 1.8 T Cupra R, SEAT Leon Hatchback (1M1) 1.8 T Cupra R, SEAT Leon Hatchback (1M1) 1.9 TDI Syncro, SEAT Leon Hatchback (1M1) 1.9 TDI, SEAT Leon Hatchback (1M1) 1.9 TDI, SEAT Leon Hatchback (1M1) 2.8, SEAT Leon Hatchback (1M1) 1.6 … 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

All the parts you need to replace – ABS Sensor for Leon Hatchback (1M1) and other SEAT models

ABS sensor

        ABS sensor for Leon I Hatchback (1M1) Petrol (100 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Petrol (125 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Diesel (90 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Diesel (110 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Petrol (75 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Petrol (180 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Diesel (68 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Petrol (180 hp)
      
        ABS sensor for Leon I Hatchback (1M1) Petrol (105 hp)

Replacement: ABS sensor – SEAT LEON (1M1). Tools you might need:

                        Wire brush
                      
                        Nylon cleaning brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Electronic spray
                      
                        Copper grease 
                      
                        Multipurpose grease
                      
                        Torque wrench
                      
                        Torx bit T30
                      
                        HEX bit No.H5
                      
                        HEX bit No.H7
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Flat screwdriver
                      
                        Pin punch
                      
                        Tap wrench
                      
                        Hammer
                      
                        Crow bar
                      
                        Wheel chock

Buy tools

Replacement: ABS sensor – SEAT LEON (1M1). Tip from AUTODOC:

All work should be done with the engine stopped.

Replacement: ABS sensor – SEAT LEON (1M1). Take the following steps:

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. SEAT LEON (1M1)
Step 5

Remove the wheel.
Step 6

Clean the ABS sensor fastener. Use a nylon cleaning brush. Use WD-40 spray.
Step 7

Detach the ABS sensor connector. Use a flat screwdriver.
Step 8

Clean the ABS sensor fastener. Use a wire brush. Use WD-40 spray.
Step 9

Unscrew the ABS sensor fastener. Use HEX No.H5. Use a ratchet wrench.
Step 10

Remove the caps from the brake caliper guide pin boots. Use a crowbar.
Step 11

Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench. Use a tap wrench.
Step 12

Spread the brake pads. Use a crowbar.
Step 13

Remove the brake caliper.

Replacement: ABS sensor – SEAT LEON (1M1). 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 14

Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
Step 15

Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
Step 16

Remove the brake disc.
Step 17

Disconnect the ABS sensor. Use a pin punch. Use a hammer. Use a crowbar.
Step 18

Clean the ABS sensor mounting seat. Use a wire brush. Use WD-40 spray.
Step 19

Treat the ABS sensor fastener. Use a multipurpose grease.
Step 20

Connect the ABS sensor.
Step 21

Tighten the fastener that connects the ABS sensor to the steering knuckle. Use HEX No.H5. Use a torque wrench. Tighten it to 6 Nm torque.
Step 22

Treat the ABS sensor connector. Use dielectric grease.
Step 23

Attach the ABS sensor connector.
Step 24

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 25

Install the brake disc.
Step 26

Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 6 Nm torque.
Step 27

Install the brake caliper and fix it. Use HEX No.H7. Use a torque wrench. Tighten it to 30 Nm torque.
Step 28

Install the caps on the brake caliper guide pin boots.
Step 29

Clean the wheel rim mounting seat. Use a wire brush.
Step 30

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 31

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: ABS sensor – SEAT LEON (1M1). After applying the spray, wait a few minutes.
Step 32

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. SEAT LEON (1M1)
Step 33

Screw in the wheel bolts. Use wheel impact socket #17.
Step 34

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 120 nm torque.
Step 35

Remove the jacks and chocks.

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