Just the way the word sounds, an engine replacement requires that the engine and its components are taken out of the vehicle and replaced with new parts. The whole enchilada has to go. Engine replacements tend to be the most costly engine repair work done on a vehicle.

The Engine Assembly is the part where the machined engine blocks, clutch & transmission cases and the sturdy cylinder heads are welded with the other engine components. This coming together of the various parts is what completes the actual engine assembly process.