I have a major coolant leak behind the

how to pressure test cooling system

I have a major coolant leak from behind turbo area. I can’t see it but I can reach my hand up and cover a hole which the coolant is pouring out from. Would this be from a missing bolt? Or hose?


Best thing to do would be to start removing things like the turbo until you can see. That might not be an option for you. So there might be an alternative. I have found that using an automotive angle mirror will give you a better angle. This may allow you the ability to see more in a tight area. And if that isn’t option then its off the the mechanic shop to allow a look. That might not be the answer you were looking for but it could be almost anything. I do think a flash light and a mirror would get you a better look.

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COOLANT HOSE, REPLACE

LOWER

1.Drain coolant into a suitable container.
2.Reposition lower hose clamp at radiator and remove hose.
3.Reposition lower hose clamp at coolant pump and remove hose.
4.Remove hose from vehicle.5.Reverse procedure to install.

UPPER

1.Drain coolant into a suitable container.
2.Reposition upper hose clamp at radiator and remove hose.
3.Reposition upper hose clamp at thermostat housing and remove hose.
4.Remove hose from vehicle.5.Reverse procedure to install.