GM Heater Hose Coupler Removal Tool drives into and turns out broken die cast heater hose couplers.
Use to remove the threaded die cast heater hose coupler that fails on most GM intake manifolds
Simply drive the tool in the broken coupler with a small hammer and turn it counterclockwise to remove
Splines cut their way into the broken coupler, use a 5/8 in. socket or wrench to turn the coupler out
The die cast zinc couplers corrode and breaks where it’s attached to the manifold on the engine block
It’s the perfect tool for the job, saving mechanics valuable time