How can I find step-by-step instructions on how to use the Engine Change Tool? ← Engine Profile - Engine Change Tool Click on the link below (next to an engine model you operate) for step-by-step instructions on how to remove or install an engine with the Engine Change Tool. CF34 Step-by-step instructions CF6 Step-by-step instructions CFE Step-by-step instructions CT58 Step-by-step instructions GE90 Step-by-step instructions GE9X Step-by-step instructions GENX Step-by-step instructions PASSPORT Step-by-step instructions