How to remove corrosion from aluminum parts which are already rusted?

Question

I want to remove rust from an alumimum part which is used in truck assembly enginie. Part is already rusted.

Answer 1

Aluminum Oxide (AlO3) abrasive blasting can be used to remove both paint and corrosion on most equipment/parts.
Or

Try this recipe
1 litre water
10-4o gm sodium carbonate
5-1o gm sodium silicate(waterglass) temp.6o-9o C,after cleaning rinse well!

Answer 2

Just Do Buffing !!