Gm Chevy ecotec 2.4 clogged secondary injection ports in clyinder head here's what I do

[@americannostalgiagarage]

How do you get the lower bolts out for the air injection manifolds? Is it best to get them from the bottom?

[@anthonynastasi4098]

I do from the top w sec and 4wd .2wd wo sec top and bottom is faster

[@robertwilliams1662]

Best way is to drop the motor

[@hi-if7lj]

GM stop making junk

[@94jimmy5]

GM Engineering genius........NOT!!!! Horrible design.