![]() ![]() While some places do recommend lubricating the chain occasionally, others say that the chain already has a protective coating and only needs to be wiped down occasionally, possibly with WD-40. Chain - If you have an automatic garage door, you may be tempted to grease the chain as well.Avoid the impulse to grease the bottom of the rail it doesn’t actually do anything but drip grease everywhere. Grease the top of the rail, because that’s where the trolly clamps on. Rail - This runs along the top of your garage, and the trolly that moves back and forth along it.Once you spray the springs lightly, open and close the door a couple of times to work in the grease. Many garage door brands still recommend that you grease these, but others find it unnecessary. Alternatively, you may have extensions springs, which are on the sides of your garage door. These springs should be greased since the coils rub against each other. Springs - Torsion springs wind and unwind when the door moves and are attached to a shaft above your door.If so, make sure to grease those, but, if not, there is no need to grease them. Just like with the rollers, however, check with the pullies to see if the ball bearings are exposed. End Bearing Plates and Pullies - These are located near the top of the garage door, and both the bearing plates and pullies can be greased. ![]() No matter the type of roller, they should have a metal shaft that you can grease where it connects to the door. Others say you should avoid greasing any nylon rollers, and all agree that you should not grease sealed nylon rollers. Like with plastic rollers, some companies claim you can grease the nylon rollers that have no ball bearings but, again, don’t believe it does much good. ![]() Nylon rollers will either have no ball bearings or sealed ball bearings. With metal rollers, you should be able to see exposed ball bearings, which you should grease. Instead, take this time to inspect them to see if they’re cracked or worn down they are only meant to last a couple of years. Although some garage door brands say there is no harm in greasing plastic rollers, they also admit that it does little good, and others believe that you should not grease plastic rollers since the grease can break down the plastic over time. There are different schools of thought regarding which types of rollers to grease and which to avoid.
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