How to carry out replacement: Door Lock 1.4 16V VW Polo Mk4
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Change VW Polo Mk4 1.4 TDI Door Lock yourself – manuals and video tutorials

How to change front door lock on VW POLO (9N_) – replacement guide

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Important!
This replacement procedure can be used for:
VW POLO (9N_) 1.9 TDI, VW POLO (9N_) 1.4 TDI, VW POLO (9N_) 1.4 16V, VW POLO (9N_) 1.2 12V, VW POLO (9N_) 1.9 SDI, VW POLO (9N_) 1.2, VW POLO (9N_) 1.4 16V, VW POLO (9N_) 1.4 FSI, VW POLO (9N_) 1.9 TDI, VW POLO (9N_) 1.4 TDI, VW POLO (9N_) 1.4 TDI, VW POLO (9N_) 1.8 GTI, VW POLO (9N_) 1.4 16V, VW POLO (9N_) 1.6 16V, VW POLO (9N_) 1.8 GTi Cup Edition, VW POLO (9N_) 1.2, VW POLO (9N_) 1.2 12V, VW POLO (9N_) 1.4 … 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 (9N_) and other VW models
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Tools
Replacement: door lock – VW POLO (9N_). 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 (9N_). 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 (9N_) – 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 Mk4 2001 - free PDF and video manuals
    Open the car door.
  2. Step 2
    How to replace VW POLO (9N_) 1.4 16V 2002 Door Lock - step-by-step manuals and video guides
    Detach the door armrest panel. Use a plastic trim tool.
  3. Step 3
    VW Polo Mk4 1.2 12V 2003 Door Lock replacement: free workshop manuals
    Remove the door armrest screws. Use a Phillips screwdriver.
  4. Step 4
    Changing Door Lock on VW POLO (9N_) 1.2 2004 by yourself
    Unscrew the door card fasteners. Use a Phillips screwdriver.
  5. Step 5
    How to remove VW POLO 1.9 TDI 2005 Door Lock - online easy-to-follow instructions
    Detach the door card. Use a plastic trim tool.
    AUTODOC recommends:
    Replacement: door lock – VW POLO (9N_). 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 (9N_) 2006: 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 Mk4 1.4 16V 2007 - download illustrated guide
    Switch on the ignition.
  8. Step 8
    Need to know how to renew Door Lock on VW POLO 2008? This free workshop manual will help you to do it yourself
    Lower the window glass.
    Replacement: door lock – VW POLO (9N_). Tip:
    Continue lowering the window glass until its fasteners become visible.
  9. Step 9
    Changing of Door Lock on VW Polo Mk4 2009 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 Mk4 2011 1.4 16V by yourself
    Detach the door lock actuator cable.
  12. Step 12
    POLO (9N_) 1.9 TDI 2012 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 (9N_). 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 (9N_) 2001 - 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 Mk4 2002 1.9 TDI 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 (9N_) 1.4 TDI 2003 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 Mk4 2001 - 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 (9N_) 1.4 16V 2002 Door Lock - step-by-step manuals and video guides
    Remove the handle-to-lock cable. Use a flat screwdriver.
  18. Step 18
    VW Polo Mk4 1.2 12V 2003 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 (9N_) 1.2 2004 by yourself
    Detach the mirror adjuster connector from the door.
  20. Step 20
    How to remove VW POLO 1.9 TDI 2005 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 (9N_) 2006: 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 Mk4 1.4 16V 2007 - 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 2008? 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 Mk4 2009 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 Mk4 2011 1.4 16V by yourself
    Remove the protective cover of the door.
    Replacement: door lock – VW POLO (9N_). AUTODOC recommends:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  27. Step 27
    POLO (9N_) 1.9 TDI 2012 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 (9N_) 2001 - tips and tricks
    Remove the door lock. Use a flat screwdriver.
    AUTODOC recommends:
    Replacement: door lock – VW POLO (9N_). 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 Mk4 2002 1.9 TDI Door Lock
    Remove the handle-to-lock cable. Use a clip removal tool.
  30. Step 30
    DIY replacement of Door Lock on VW POLO (9N_) 1.4 TDI 2003 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 Mk4 2001 - free PDF and video manuals
    Install the new lock.
    Replacement: door lock – VW POLO (9N_). AUTODOC recommends:
    When installing, do not use excessive force to avoid damage to the part.
  32. Step 32
    How to replace VW POLO (9N_) 1.4 16V 2002 Door Lock - step-by-step manuals and video guides
    Attach the door lock connector.
  33. Step 33
    VW Polo Mk4 1.2 12V 2003 Door Lock replacement: free workshop manuals
    Install the protective cover of the door.
    AUTODOC recommends:
    Replacement: door lock – VW POLO (9N_). To avoid damaging the part during installation, do not use excessive force.
  34. Step 34
    Changing Door Lock on VW POLO (9N_) 1.2 2004 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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