Wd 40 is great for a lot of things but will not last as a lubricant for hinges.
Fixing spring loaded door hinges.
Using a hex wrench open the spring so you can see the tension pin.
Release the spring pressure and test the closure of the door.
Use a hinge leaf as a template to make a cardboard shim that you can slip behind the leaf.
It dissolves rust and old grease but it is a thin liquid and will drip before it evaporates.
2 take the hinges with you to the hardware store and use them to help you purchase a.
Then add or release tension until you get the proper close rate photo 2.
Some styles of spring hinges use a tension lever instead of an allen wrench to adjust spring tension.
Use the tension lever to move the tension pin along the side of the hinge to add spring.
Hinge outlet adjustable spring hinges 3 5 inch with 5 8 inch radius in satin nickel self closing hinges door closing hinges 2 pack 4 6 out of 5 stars 54 19 95 19.
I ll bet that you never knew you could adjust a self closing door hing.
Start by removing the locking pin photo 1.
Find the hole beside the locking pin on the hinge s spring which is usually either at the top of bottom of the hinge s housing.
If the hinge leaf is recessed only at the bottom or the top insert a shim behind only part of the hinge leaf.
If the self closing door to your garage isn t closing hard enough to latch properly or the door slams shut you can adjust the spring hinge tension with a hex wrench and pliers.
A spring loaded hinge should only be removed when the door is closed to avoid it slamming.
Then remove the pin using pliers.
Ask a helper hold up the door while you remove the hinge screws and the hinges from the door and the doorjamb.