Join Date: Oct 2014
Location: Lake Arrowhead, Ca.
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 106 Post(s)
You have posted in the 2004-2006 section of the forum, I will move your post to the proper page.
The vac can is tested with a vac pump or engine vacuum.
One side opens the heater and lets air pass over the heater core, the other side lets air pass over the cooling coils of the A/C unit.
On my '67 the can is on the engine side and it was the wrong can, single port.
My whole system was destroyed by a ham fisted Mr. Goodpliers who used tin snips to remove the heater core from the inside.
I had to source another heater box and replace the single port can and replace and route all the vac hoses.
The whole thing was one big mess.
Some people have no business working on cars.