Coolant leak at intake manifold

[JNM240]

Hey guys,

I've seemed to develop a coolant leak at the back side of the intake manifold, at the plate that the main brake booster vacuum line comes from. There's two coolant lines on this plate, one that goes to the pipe under the opening that feeds the heater hoses, and the other goes to the turbocharger. Can I bypass this plate and make the line from the turbo go straight to the heater pipe?

[boost_boy]

You can, but why is it leaking? Is it rotten from rust or is the nipple broken. Whatever the case maybe, if you can repair it, do so. But if not, bypassing won't kill your engine.

[float_6969]

You can just connect them together, but the reason it's like that is to at as a passive source of water cooling for the turbo after the engine has been shut off. If you bypass it, you'll no longer get coolant flowing through the turbo after the engine is shut down.

[TheMAN]

I don't think he's talking about bypassing the water going to those hoses altogether, but to just not have water flow through that back plate

if anything, that back plate is probably to warm the intake manifold... but more importantly, there's that useless air bleeder screw right there... all the coolant hoses do is flow to that plate, past the bleeder screw, then back out... just taking the hoses off of there and just splicing them together at that location wouldn't hurt

[JNM240]

,

I don't think he's talking about bypassing the water going to those hoses altogether, but to just not have water flow through that back plate

if anything, that back plate is probably to warm the intake manifold... but more importantly, there's that useless air bleeder screw right there... all the coolant hoses do is flow to that plate, past the bleeder screw, then back out... just taking the hoses off of there and just splicing them together at that location wouldn't hurt

Thank you, that's exactly what I was talking about. I've already swapped to a KAE throttle body and bypassed the coolant going through it, so I wanted to know if i can do the same thing here. Turbo would still get coolant to or from the pipe, I would just bypass that plate on the back of the manifold.

Thanks!