An improved apparatus for repairing broken mounting holes in engines, such as broken exhaust manifold mounting holes, is disclosed. The adjustable template can be readily mounted to different components on different types of engines and provides adjustable carriages that allow for the precise alignment of bushing and various repair tools to facilitate repair of broken mounting holes.

An improved apparatus for repairing broken mounting holes in engines, such as broken exhaust manifold mounting holes, is disclosed. The adjustable template can be readily mounted to different components on different types of engines and provides adjustable carriages that allow for the precise alignment of bushing and various repair tools to facilitate repair of broken mounting holes.

A bushing for a drill template, the bushing has a head portion for receipt of a drill motor. The head portion has a top surface and a bottom surface with at least one pin protruding from the bottom surface of the head portion. The pin fits within a secondary opening in a template to help retain the bushing in place. A body portion extends from the bottom surface of the head portion. The body portion has an outer surface with a portion of it threaded. The body portion extends through a primary drill hole in the template. A fastening nut having inner threads mates with the outer threads on the body portion to lock the bushing to the template. A bore extends through the head portion and the body portion for receipt of a drill bit.