Door Lock and Handle Repairs

Learn how to diagnose and fix common door lock and handle problems, from sticky locks to loose handles.

Safety Warning

Be careful with lock mechanisms and small parts. Keep track of all components during disassembly. For security locks or complex mechanisms, consider consulting a professional locksmith. Never disable safety features.

Tools & Materials

  • Screwdriver set
  • Allen wrench set
  • Graphite lubricant
  • Replacement hardware
  • Wire brush
  • Cleaning supplies
  • Safety glasses
  • Work gloves

Common Problems & Solutions

Sticky Lock

  • Clean mechanism
  • Apply graphite powder
  • Test operation
  • Check alignment

Loose Handle

  • Tighten set screws
  • Check mounting plate
  • Replace worn parts
  • Align properly

Misaligned Strike Plate

  • Mark correct position
  • Adjust plate location
  • File opening if needed
  • Test latch engagement

Complete Replacement

  • Remove old hardware
  • Prepare new installation
  • Install new mechanism
  • Test thoroughly

Prevention Tips

  • Regular lubrication
  • Check screws monthly
  • Clean mechanisms
  • Avoid forcing locks
  • Keep spares handy
  • Document installation
  • Monitor wear patterns
  • Address issues promptly

Common Issues

Key Sticking

Clean lock cylinder and use graphite powder. Never use oil-based lubricants in locks.

Handle Spring Failure

Replace the entire handle assembly if internal springs fail. Temporary fixes rarely last.

Security Concerns

If lock shows signs of tampering or damage, replace entire unit for security.

Video Tutorial

Watch our detailed guide on fixing common door lock and handle problems.