Why You Should Lubricate Car Door Locks Endurance Warranty For the times when you have to use two hands and all your strength just to open the front door yeah, you probably need to address that #doorlocks #doorlockproblems #stickylock #fyp #foryoupage To keep your door hinges and locks operating smoothly and quietly, regular lubrication is essential. Here's a professional tip for effective maintenance: Recommended Lubricants: For Door Hinges: Use a silicone based lubricant or Lubricating old door innards? I am cleaning and restoring my old knobs throughout the house. I used 3 in 1 oil on one but it seems to have worn off. What sort of grease lubricant How to Lubricate Sticky Door Locks How to Lubricate Locks with WD 40: Jet Locksmiths Guide