How do you know when your turbo is out? Options

[mk7celica]

This weekend I installed a new mbc and I had it set to stock boost at first then I raised it to 14lbs. I forgot to tighten a clamp for the coupler on the turbo going to my fmic. Well the engine killed I pulled over and put it back on tightened it and drove home. I decided to go for a test ride and I was in 2nd gear building boost got to about 12lbs and I heard a woosh of air like the intercooler pipe popped off again so I pulled over checked it and all other clamp an they all was on and tight. So I started to drive again and noticed my turbo was not making and sound and I was not building no voost. The car is like a n/a engine now less power no boost and the turbo lines,couplers ect are on and tight. I kind of hear a low clanking noise in the turbo I think. Is my turbo bad? Car runs and starts fine just have no boost and no sound from my ct26? whats the deal?

[lagos]

Took it off last month no bov

NO BOV FOR A MONTH?!... That my friend is a HUGE problem... Seriously what were you thinking? You are VERY fortunate that your motor didn't get damage. I bet by now your turbo seals a shredded and your turbo fins are broken. The clanking noises you hear is probably for the fins hitting the turbine housing. Your turbo is done. I would remove the whole IC piping to make sure none of the chips from the fins is in there as well.

Well The alltrac the engine came from factory with no bov and I have been running stock boost until today so I figured at stock boost I did not need a bov Am I wrong? If so why did toyotanot put a bov on a alltrac gt4 3sgte from factory?

the stock alltrac can get away with it because there is so little volume of actual air in that small top mount intercooler. you change all that when you convert to a fmic. there is a lot more air in those pipes that has no where to go when you let off the gas. so yes, even with stock boost, you should have a bov on a car with an upgraded intercooler.

but i do doubt thats whats causing your problem.
check all your piping again, and check to make sure your wastegate is not stuck open. then pull off the intake and downpipe if u want to inspect the turbo.