Important!

This replacement procedure can be used for:
SEAT Leon Hatchback (1M1) 1.6, 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, SEAT Leon Hatchback (1M1) 1.8 20V … View more

The steps may slightly vary depending on the car design.

How to change door lock SEAT LEON 1M1 [TUTORIAL AUTODOC]

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

Alternative products

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100019610 AUTOMEGA Door lock

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BSP20491 BUGIAD Door lock

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110 552 TOPRAN Door lock

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SKDLO-2160257 STARK Door lock

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V10-85-0005 VEMO Door lock

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100020110 AUTOMEGA Door lock

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6010-01-020422P BLIC Door lock

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2313000 METZGER Door lock

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Replacement: door lock – Seat Leon 1M1. Tools you might need:

                      Electronic spray
                    
                      Torque wrench
                    
                      Torx bit T20
                    
                      Drive socket # 10
                    
                      XZN socket bit # 8
                    
                      Ratchet wrench
                    
                      Painter's tape
                    
                      Phillips screwdriver
                    
                      Clip removal tool
                    
                      Plastic trim tool

Buy tools

Replacement: door lock – Seat Leon 1M1. Professionals recommend:

The procedure for replacing the locks on the right and left front doors is identical.
Please note: all work on the car – Seat Leon 1M1 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the car door.
Step 2

Detach the door handle trim panel. Use a plastic trim tool.

Replacement: door lock – Seat Leon 1M1. AUTODOC recommends:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 3

Unscrew the door card fasteners. Use a Phillips screwdriver.
Step 4

Detach the door card. Use a plastic trim tool.

AUTODOC recommends:
Replacement: door lock – Seat Leon 1M1. Do not use excessive force when removing the part as this may damage it.
Step 5

Detach the door lock actuator cable.
Step 6

Detach the bulb connector.
Step 7

Detach the speaker connector.
Step 8

Remove the covers from the window raiser fasteners. Use a plastic trim tool.
Step 9

Switch on the ignition.

Step 10

Lower the window glass.

AUTODOC recommends:
Continue lowering the window glass until its fasteners become visible.
Step 11

Switch off the ignition.

Step 12

Detach the connector for the power window switch module.
Step 13

Unscrew the window glass fasteners. Use a drive socket #10. Use a ratchet wrench.

Replacement: door lock – Seat Leon 1M1. Tip:
To avoid injury, hold the glass when unscrewing the fasteners.
Step 14

Raise the window glass all the way up and secure it on the door frame with masking tape.

AUTODOC recommends:
To avoid injury, hold the glass when raising it.
Step 15

Detach the power mirror switch connector.
Step 16

Detach the speaker connector.
Step 17

Detach the power window connector.
Step 18

Detach the power window wiring harness. Use a clip removal tool.
Step 19

Remove the door panel covers. Use a plastic trim tool.
Step 20

Unscrew the door panel fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 21

Unscrew the fastener of the exterior door handle. Use Torx T20. Use a ratchet wrench.
Step 22

Remove the cover from the exterior door handle fastener. Use a plastic trim tool.

Replacement: door lock – Seat Leon 1M1. Tip from AUTODOC experts:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 23

Unscrew the door lock fasteners. Use XZN #8. Use a ratchet wrench.
Step 24

Remove the door panel together with the window regulator linkage.

AUTODOC recommends:
Replacement: door lock – Seat Leon 1M1. To avoid damaging the part when removing it, do not use excessive force.
Step 25

Detach the door lock connector.
Step 26

Remove the handle-to-lock cable. Use a plastic trim tool.
Step 27

Remove the door lock.

AUTODOC recommends:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 28

Remove the handle-to-lock cable.
Step 29

Install the handle-to-lock cable.
Step 30

Remove the door lock rod.
Step 31

Install the door lock rod on the new lock.
Step 32

Remove the handle-to-lock cable.
Step 33

Install the handle-to-lock cable.
Step 34

Install the new lock.

Replacement: door lock – Seat Leon 1M1. AUTODOC experts recommend:
When installing, do not use excessive force to avoid damage to the part.
Step 35

Install the handle-to-lock cable. Use a plastic trim tool.
Step 36

Install the cover on the exterior door handle fastener.
Step 37

Screw in the exterior door handle fastener. Use Torx T20. Use a ratchet wrench.
Step 38

Install the door panel together with the window regulator linkage.
Step 39

Treat the door lock connector. Use dielectric grease.
Step 40

Attach the door lock connector.
Step 41

Screw in the door panel fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 42

Install the door panel covers.
Step 43

Treat the power window module connector. Use dielectric grease.
Step 44

Attach the power window connector.
Step 45

Treat the speakers' connectors. Use dielectric grease.
Step 46

Treat the connector of the power mirror switch. Use dielectric grease.
Step 47

Treat the connector for the power window switch module. Use dielectric grease.

Step 48

Attach the mirror adjuster connector to the door.
Step 49

Attach the speaker connector.
Step 50

Treat the bulb connector. Use dielectric grease.

Step 51

Screw in the door lock's fasteners. Use XZN #8. Use a ratchet wrench.
Step 52

Tighten the door lock fasteners. Use XZN #8. Use a torque wrench. Tighten it to 20 Nm torque.
Step 53

Tighten the door panel fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 8 Nm torque.
Step 54

Attach the power window wiring harness.
Step 55

Remove the painter's tape.
Step 56

Lower the window glass and install it to its mounting seat in the window raiser mechanism.

AUTODOC recommends:
To avoid injury, hold the glass when lowering it.
Step 57

Screw in the window glass fasteners. Use a drive socket #10. Use a ratchet wrench.

Replacement: door lock – Seat Leon 1M1. Tip from AUTODOC:
To avoid injury, hold the glass when screwing in the fasteners.
Step 58

Tighten the window glass fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 6 Nm torque.

Replacement: door lock – Seat Leon 1M1. Tip:
Do not apply too much force when tightening the fasteners. Overtightening may damage the glass.
Step 59

Install the covers on the window raiser fasteners.
Step 60

Attach the door lock actuator cable.
Step 61

Attach the bulb connector.
Step 62

Attach the connector for the power window switch module.
Step 63

Attach the speaker connector.
Step 64

Reinstall the door card.
Step 65

Screw in the door card fasteners. Use a Phillips screwdriver.
Step 66

Attach the door handle trim panel.
Step 67

Check if the door lock is working properly.
Step 68

Close the car door.

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