Another question....not so urgent

[UN4TOLDVRSS]

Hi Guys,
Have a VR SS and at the back of the block, directly underneath where the brake booster vacuum hose hooks up to the block i found another smaller hose connection point...running a finger over it whilst the motor running i found that it was sucking in air...what the hell is meant to be attached to this connection???

[moff_man]

more than likley for the a/c controls if not just get a small hose and block one end off and put the hose on.