I have a pinhole leak a cooling hose that goes underneath the intake. There is a hose coming from the expansion tank that meets at a junction underneath the intake and there in another hose that runs perpendicular to the intake that leads to the thermostat housing. I am not sure which hose is leaking, but my question is do I have to pull the upper intake to replace those hoses. If I don't how to do I get to the clamps and the hoses. If I do have to remove the upper intake can somebody tell me how to do it as the Bentley manual is not very descriptive. Thanks for any assistance.