To clean an engine, protect all electrical connections with plastic wrap and then spray the engine with a degreasing solvent. Mist the engine with water to finish. You need plastic wrap, a drip pan, absorbent mats, a wire brush, a nylon brush, a foam or gel degreaser and a hose.Continue Reading
Cover electrical connections, coils and wires with plastic wrap.
Lay an auto drip pan underneath the engine, and place a layer of absorbent mats on top of the pan.
Start the engine, and allow it to run for no longer than five minutes until it warms to a point where it is not too hot to touch.
Use a wire brush to remove as much grease as possible on the metal components of the engine.
Scrub with a nylon brush in a soft manner to clean the plastic parts of the engine.
Spray a solvent or water-based degreaser with a foam or gel consistency over the engine.
Spray a light mist of water over the engine to finish the cleaning process.
Remove the plastic wrap from the engine.
Dispose of the soaked drip pan and absorbent mats properly.