If you heard a loud bang from your garage and the door won't budge, a broken spring is almost certainly the cause. Stop what you're doing, step away from the door, and do not attempt to open it manually or with the opener. Our technicians at Wisconsin Garage Door Pro handle broken spring calls daily across Milwaukee and seven surrounding counties — it's the single most common emergency repair we run — and the first thing we always tell homeowners is the same: a broken garage door spring is not a DIY fix.

If you heard a loud bang from your garage and the door won't budge, a broken spring is almost certainly the cause. Stop what you're doing, step away from the door, and do not attempt to open it manually or with the opener. Our technicians at Wisconsin Garage Door Pro handle broken spring calls daily across Milwaukee and seven surrounding counties — it's the single most common emergency repair we run — and the first thing we always tell home owners is the same: a broken garage door spring is not a DIY fix.
Here's what you need to know to stay safe until a technician arrives.
Garage door springs are under extreme tension. A standard torsion spring on a two-car door stores hundreds of foot-pounds of stored energy — enough to cause serious injury if it releases unexpectedly. When a spring breaks, that energy releases all at once, which is why you hear such a sharp, explosive sound. The coil can fly, the cable can snap, and a door that was held in place by spring tension can come crashing down without warning.
This isn't theoretical. Spring-related injuries happen to homeowners who try to operate the door or poke around the hardware before the spring is replaced. For more on what to watch for and avoid, see our garage door safety page.
Do these things right away:
You may have seen advice online about clamping a pair of locking pliers or a C-clamp onto the door track just below the bottom roller to hold the door in place and prevent it from dropping. This is a legitimate temporary stabilization technique, and in the right circumstances it can reduce the risk of the door falling unexpectedly.
Here's the honest context from a local pro: the C-clamp method is a precaution, not a repair, and it does not make the door safe to operate. What it does is lock the door in its current position so it can't rolldown the track if something shifts. If your door is already closed and down, you don't need to do this — there's nowhere for it to fall. If the door is stuck partially open, clamping the track on both sides near the bottom roller prevents it from dropping further while you wait.
Use the clamp on the track itself, not on any spring hardware, cables, or drums. Do not touch the torsion spring bar, the cable drums, or the winding cones under any circumstances. Those components are where the stored energy lives, and a small mistake — a slip, a wrong turn of a winding bar — can result in serious injury even for experienced people. Spring winding and unwinding is a job for trained technicians with the right tools.
Yes. Same-day emergency spring repair in Milwaukee and across the surrounding region is available seven days a week, including weekends and holidays. Named to the Garage Door Handbook Top 100 Garage Door Companies of 2026, Wisconsin Garage Door Pro provides same-day emergency spring repair across Milwaukee, Waukesha, Washington, Ozaukee, Racine, Walworth, Jefferson, and Dodge counties — eight counties total, covering the entire southeastern Wisconsin corridor from Kenosha to Oconomowoc to Mequon.
Most spring repair calls are completed in under two hours from the time you call to the time the door is fully operational again. We carry the most common torsion and extension spring sizes on our trucks, so the majority of jobs don't require a parts run.

It matters for understanding the risk. Most Milwaukee-area homes built in the last 30 years use torsion springs, which mount on a steel bar above the door and wind under tension. Extension springs, found on older or lighter doors, run horizontally along the upper tracks and extend and contract as the door moves.
Both store significant energy and both are dangerous to handle without training. Extension springs have one additional hazard: if the safety cable threaded through the spring is missing or worn, a broken extension spring can shoot across the garage at high speed. If you have extension springs and notice the safety cable is frayed or absent, that's worth mentioning when you call — it tells the technician what to bring and what to expect.
Sometimes, but it depends on where the door is. If the door is already in the full-up position and held there, using the manual release cord to disengage the opener and carefully guiding the door manually (with a second person helping) may let you get a vehicle out. Move slowly and be ready to let the door stay where it is if it feels unstable at any point.
If the door is closed or only partially open, don't attempt this. The risk of the door dropping on the vehicle or on a person is too high without the spring counterbalance working properly.
A broken garage door spring is one of the few garage repairs where the right move is always to call a professional rather than attempt a temporary workaround. The components involved are under hundreds of pounds of tension and require specialized tools to safely wind, set, and secure.
Wisconsin Garage Door Pro offers same-day emergency spring repair across Milwaukee and seven surrounding counties. We're locally owned, we answer in under 30 seconds, and there are no after-hours surcharges — ever.
Call us at (414) 375-5533 or contact Wisconsin Garage Door Pro online and we'll have a technician on the way.