Originally Posted by isu2014
There is a vacuum line diagram right on the inside of your hood. Find the brake booster line, take it off, stick it in the seafoam real slow while adding some throttle. Then watch her smoke.
My hood is so dirty from going off road that I'd have to wash it to find the sticker.
Also, I'm learning a BUNCH about automotive DIY stuff (just changed my first O2 sensor on the wife's 2001 Sequoia last night and I've got the busted knuckles to prove it. If I knew which line was the brake booster, I would not have posted the question.
Rep for the first pic posted!