How to carry out replacement: Door Lock 1.9 TDI VW Polo 9n Saloon
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Change VW Polo 9n Saloon 1.4 TDi Door Lock yourself – manuals and video tutorials

How to change front door lock on VW Polo Saloon (9N4) – replacement guide

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Important!
This replacement procedure can be used for:
VW Polo Saloon (9N4) 1.9 TDI … 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 – Door Lock for Polo Saloon (9N4) and other VW models
How to change Door lock on VW Polo 9n Saloon 1.9 TDI – step-by-step instructions for straightforward car repair Door lock
How to change Door lock on Polo IV Saloon (9N4) – tips for proper car maintenance
Door lock for Polo IV Saloon (9N4) Diesel (101 hp)
Tools
Replacement: door lock – VW POLO Saloon (9N4). List of the tools you'll need:
Torque wrench
Drive socket # 10
Torx bit T20
XZN socket bit # 8
Ratchet wrench
Painter's tape
Flat Screwdriver
Phillips screwdriver
Clip removal tool
Plastic trim tool
Buy tools
Replacement: door lock – VW POLO Saloon (9N4). Tip from AUTODOC experts:
  • The replacement procedure is identical for the locks on the left and right rear doors.
  • Please note: all work on the car – VW POLO Saloon (9N4) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Door Lock on VW Polo 9n Saloon 2002 - free PDF and video manuals
    Open the car door.
  2. Step 2
    How to replace VW Polo Saloon (9N4) 1.9 TDI 2003 Door Lock - step-by-step manuals and video guides
    Detach the door armrest panel. Use a plastic trim tool.
  3. Step 3
    VW Polo 9n Saloon 1.6 2004 Door Lock replacement: free workshop manuals
    Remove the door armrest screws. Use a Phillips screwdriver.
  4. Step 4
    Changing Door Lock on VW Polo Saloon (9N4) 1.4 TDi 2005 by yourself
    Unscrew the door card fasteners. Use a Phillips screwdriver.
  5. Step 5
    How to remove VW POLO 1.4 2006 Door Lock - online easy-to-follow instructions
    Detach the door card. Use a plastic trim tool.
    AUTODOC recommends:
    Replacement: door lock – VW POLO Saloon (9N4). Do not use excessive force when removing the part as this may damage it.
  6. Step 6
    How to replace Door Lock on VW Polo Saloon (9N4) 2007: download PDF manuals and video instructions
    Remove the covers from the window raiser fasteners.
  7. Step 7
    How hard is it to do yourself: Door Lock replacement on VW Polo 9n Saloon 1.6 2008 - download illustrated guide
    Switch on the ignition.
  8. Step 8
    Need to know how to renew Door Lock on VW POLO 2009? This free workshop manual will help you to do it yourself
    Lower the window glass.
    Replacement: door lock – VW POLO Saloon (9N4). Tip:
    Continue lowering the window glass until its fasteners become visible.
  9. Step 9
    Changing of Door Lock on VW Polo 9n Saloon 2010 won't be an issue if you follow this illustrated step-by-step guide
    Switch off the ignition.
  10. Step 10
    VW POLO 1.4 TDi Door Lock replacement: online guides and video tutorials
    Detach the power window connector from the door card.
  11. Step 11
    Replacing Door Lock on VW Polo 9n Saloon 2003 1.9 TDI by yourself
    Detach the door lock actuator cable.
  12. Step 12
    Polo Saloon (9N4) 1.4 2004 Door Lock DIY replacement workshop manual
    Unscrew the window glass fasteners. Use a drive socket #10. Use a ratchet wrench.
    Replacement: door lock – VW POLO Saloon (9N4). Tip from AUTODOC experts:
    To avoid injury, hold the glass when unscrewing the fasteners.
  13. Step 13
    How to change Door Lock on VW Polo Saloon (9N4) 2005 - tips and tricks
    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.
  14. Step 14
    Step-by-step recommendations for DIY replacement VW Polo 9n Saloon 2006 1.4 Door Lock
    Remove the cover from the exterior door handle fastener. Use a plastic trim tool.
  15. Step 15
    DIY replacement of Door Lock on VW Polo Saloon (9N4) 1.6 Classic 2007 is not an issue anymore with our step-by-step tutorial
    Unscrew the fastener of the exterior door handle. Use Torx T20. Use a ratchet wrench.
  16. Step 16
    How to change Door Lock on VW Polo 9n Saloon 2002 - free PDF and video manuals
    Remove the cover from the exterior door handle fastener. Use a plastic trim tool.
  17. Step 17
    How to replace VW Polo Saloon (9N4) 1.9 TDI 2003 Door Lock - step-by-step manuals and video guides
    Remove the handle-to-lock cable. Use a flat screwdriver.
  18. Step 18
    VW Polo 9n Saloon 1.6 2004 Door Lock replacement: free workshop manuals
    Unscrew the door lock fasteners. Use XZN #8. Use a ratchet wrench.
  19. Step 19
    Changing Door Lock on VW Polo Saloon (9N4) 1.4 TDi 2005 by yourself
    Detach the mirror adjuster connector from the door.
  20. Step 20
    How to remove VW POLO 1.4 2006 Door Lock - online easy-to-follow instructions
    Detach the wiring harness from the protective cover of the door. Use a clip removal tool.
  21. Step 21
    How to replace Door Lock on VW Polo Saloon (9N4) 2007: download PDF manuals and video instructions
    Detach the speaker connector.
  22. Step 22
    How hard is it to do yourself: Door Lock replacement on VW Polo 9n Saloon 1.6 2008 - download illustrated guide
    Detach the wiring harness from the protective cover of the door. Use a clip removal tool.
  23. Step 23
    Need to know how to renew Door Lock on VW POLO 2009? This free workshop manual will help you to do it yourself
    Detach the mirror adjuster connector from the control unit.
  24. Step 24
    Changing of Door Lock on VW Polo 9n Saloon 2010 won't be an issue if you follow this illustrated step-by-step guide
    Detach the wiring harness from the protective cover of the door. Use a clip removal tool.
  25. Step 25
    VW POLO 1.4 TDi Door Lock replacement: online guides and video tutorials
    Unscrew the fasteners of the protective cover of the door. Use a drive socket #10. Use a ratchet wrench.
  26. Step 26
    Replacing Door Lock on VW Polo 9n Saloon 2003 1.9 TDI by yourself
    Remove the protective cover of the door.
    Replacement: door lock – VW POLO Saloon (9N4). AUTODOC recommends:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  27. Step 27
    Polo Saloon (9N4) 1.4 2004 Door Lock DIY replacement workshop manual
    Detach the door lock connector. Use a flat screwdriver.
  28. Step 28
    How to change Door Lock on VW Polo Saloon (9N4) 2005 - tips and tricks
    Remove the door lock. Use a flat screwdriver.
    AUTODOC recommends:
    Replacement: door lock – VW POLO Saloon (9N4). Do not use excessive force when removing the part as this may damage it.
  29. Step 29
    Step-by-step recommendations for DIY replacement VW Polo 9n Saloon 2006 1.4 Door Lock
    Remove the handle-to-lock cable. Use a clip removal tool.
  30. Step 30
    DIY replacement of Door Lock on VW Polo Saloon (9N4) 1.6 Classic 2007 is not an issue anymore with our step-by-step tutorial
    Install the handle-to-lock cable.
  31. Step 31
    How to change Door Lock on VW Polo 9n Saloon 2002 - free PDF and video manuals
    Install the new lock.
    Replacement: door lock – VW POLO Saloon (9N4). AUTODOC recommends:
    When installing, do not use excessive force to avoid damage to the part.
  32. Step 32
    How to replace VW Polo Saloon (9N4) 1.9 TDI 2003 Door Lock - step-by-step manuals and video guides
    Attach the door lock connector.
  33. Step 33
    VW Polo 9n Saloon 1.6 2004 Door Lock replacement: free workshop manuals
    Install the protective cover of the door.
    AUTODOC recommends:
    Replacement: door lock – VW POLO Saloon (9N4). To avoid damaging the part during installation, do not use excessive force.
  34. Step 34
    Changing Door Lock on VW Polo Saloon (9N4) 1.4 TDi 2005 by yourself
    Screw in the fasteners of the protective cover of the door. Use a drive socket #10. Use a ratchet wrench.
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