Originally Posted by 90 Turbo
Oh and I did remove and reinstall making sure they where tight the tubing around the intercooler. I guess I need to check the piping by inlet of engine and outlet of turbo.
Basically you need
PVC end cap
Metal valve stem (auto store... with all the air fittings etc)
Maybe a few clamps and/or coupler depending on how you install it
You can either cap off pre or post turbo... I did just post turbo, on the coupler that comes off the compressor outlet, but only because I got the wrong size for the inlet, and I didn't wanna run back to the store.
Drill a hole in the top of the PVC end cap.... attach valve stem. The metals ones should separate and allow you to attach the nut on the inside and attach and self seal wtih the rest of it.
Then just attach that new contraption into your IC piping, and pressurize. I had a bottle of soapy water handy, which when you spray on leaks, will bubble up like crazy and make it even easier to pinpoint.
I used an electric tire pump thing.... it was a little slow to pressurize to 15 psi, but it worked. And since it was leaking, I had to pressurize....check.....pressurize again, check etc a few times. If you have an actual air compressor and tank that would be way better with an air regulator, just get a fitting for that instead.
Try applying a little pressure to the hoses/vac lines and see if that makes them leak as well. sitting still my hotside piping was fine, but a tiny little finger pressure on the side of it, it would start to leak. once i tightened the clamps....no leaks. Had the same sort of thing on my vacuum hose leaking going into the ECU. If i tweaked it to the sides a little it would leak