How to Fix a Garage Door Opener Chain

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    How to Fix a Garage Door Opener Chain

    Using a garage door opener chain in your garage is a wonderful convenience.

    A garage door opener chain creates a lot of noise when you pull it to unlock and open your garage door.

    However, it is one of the most dependable types of drive openers ever invented.

    People have relied on this type of door opener because it is simple to use.

    It is also inexpensive and quickly fixed when it breaks.

    Numerous factors can influence the existence of your chain.

    The frequency at which a garage door is opened and closed defines the wear and tear mostly on the chain.

    But you must maintain the opener and all of its components daily otherwise it can confuse you with unpredictable behavior.

    If your chain is aged, it can stall and break down when in use.

    Here’s how to fix a garage door opener chain.

    Switch Off the Power Supply

    If the garage door unexpectedly opens when you’re working, you might be in grave danger. It is important to switch off the power supply.

    Disconnect the garage door from the opener by pulling manually the release cord if you have a square rail opener.

    Inspect the Adjustment Bolt

    Climb up using a ladder and inspect the adjustment bolt, there could be a bolt-on on each side.

    It’s a five to seven-inch-long threaded fastener into which two nuts are screwed. One is about locking, and the other is about adjusting.

    A spacer separates the tightening nut as well as the adjustment nut, with the lock that is closest to the opener chain.

    Tightening it will enhance the tension of the cord.

    Determine the Issue

    Before you begin any fixes, you must first determine the issue in what is faulty about your door opener chain.

    To do so, use the chain door opener to open and close the garage door multiple times and track the efficiency of the opener.

    If the door stalls or becomes jammed when shutting or opening, there’s certainly a problem.

    The issue may be with your chain drive, the assembly, or the mechanism operating the garage door opener.

    Lock the door tightly and disconnect the machine to prevent any potential issues with your car.

    Once you’ve unplugged the device, manually remove the chain and inspect it for corrosion.

    Next, check the carriage framework from your garage door opener to ensure that the bolts are in the correct positions.

    After that, inspect your motor’s wiring system and ensure that you are providing enough electricity to open and shut your garage door.

    Apply Lubricant to the Chain

    If your garage door opener chain is rusted, lubricant should be used to remove the corrosion.

    Apply lubricant to the chain with a piece of cloth and wipe the chain.

    If your chain is severely corroded, it could be necessary to detach this from the carriage framework and cover it in lubricant for several hours.

    Rust can be removed by dipping the chain with lubricant for a few hours.

    After soaking with lubricant, brush away any loose rust with a towel.

    Lubricate the rusted carriage assembly

    If the chain is rusted, there’s a good chance that the carriage assembly in which the chain passes around is rusted as well.

    Lubricate the rusted carriage assembly and wait for a few hours to remove the rust.

    By using a ladder to access the top of the carriage assembly before reinstalling the chain to ensure proper operation, you must adjust the chain.

    The adjustment bolt like many models of carriage assemblies for garage door opener chain is mounted within the carriage assembly.

    The adjustment bolt is secured in place by bolts on the assembly’s ends.

    Loosen the bolts near the engine and pinch the nut on the other end of the rope to tighten it.

    Check this video on how to fix the door opener chain.

    Plug the Switchback and Test the Opener

    To make sure the problem is fixed, open and shut the garage a few times.

    Tighten the adjustment screw a bit tighter if the chain is already banging against the rail.

    If your chain is constantly loose, it’s an indication that your garage door opener chain needs to be replaced.

    Both chains and openers are susceptible to wear and tear over time.

    When you suspect that you need to change your garage door opener in the Los Angeles area.

    GDR Los Angeles is your neighborhood provider of fast, convenient, and reliable service.


    When your garage door chain is loosened or knocking against the rail, it is commonly an issue that operates a chain drive opener.

    Due to the extreme movements produced by the motor and the weight of the frame, garage door chains become loose over time.

    If you have problems with your garage door opener chain, or any garage door maintenance and repair needs.

    You can depend on the professional technicians at GDR Los Angeles.

    For more information and to schedule service, call us today!

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