Best way to clean aluminum intake manifold

Best way to clean an intake manifold? - TDIClub Forums
What's the bestwaytoclean the inside of an intakemanifold? This stuff im dealing with is like tar! Very thick and gooey. My 2001 Jetta TDI manifold was clogged up 50% I have never seen it this bad on my 00 golf TDI. Although i have seen pictures of other TDI intake worse than mine.

Best way to clean intake manifold (removed)? - Forum
Did you clean your intakemanifold? It took me about a week or so toclean it. I know it was impossible to get it completely cleaned because of

best way to clean out Intake manifold - EvolutionM - Mitsubishi...
well it would be best if you had a parts cleaner bin and had it soaking in parts cleaner solvent, or I have cleaned a few by using brake cleaner, it was tough to