4agze noisy topend?

[wasfishing]

are 4a's known for becoming noisy in there topend? my 4agze is started to get a lil noisy and it sounds like its comin from the cams ect? any advise?

[TERRA Operative]

Time to check the camshaft clearances. You'll need to swap the shims around and maybe get some more to ensure the clearances are all within tolerance. The shims from pretty much any 16V 4A engine will fit.