PONTIAC MONTANA AIR CONDITIONER

I Installed New Air Conditioning System In My Car I Bought A Kit In Auto Zone Compressor Dryer Expansion Valve Etc And The Compressor...

Vehicle Jumps Up & Down In The Back Of The Van. Air Compressor Runs Continuously. Got Underneath And Noticed Hose Was Hanging From...

What Could Be The Issue If Whenever My Van Is Turned On The Vents Are Continuously Blowing Warm Air Even Though They Are In The Off Position...