1993 Ford E350 Vacuum and A/C question
Haven't been on here much lately - too many other things going on...but, we took the RV out last week for the first time in a year and had a great, rather uneventful trip - except for no cabin A/C. N...
Forum Discussion
Well, Ryan, it's a Black Death case. The company linked in the article might be able to help with parts like hoses.
I think you'll read that Evaporators don't flush well. Like radiators and heater cores, they're parallel flow. Condensers USED to be a path run by one piece of tubing, and could be flushed. In parallel, the flush agent will take the path of least resistance (tubes that are NOT clogged) bypass clogged ones. And, you can't blow the flush agent out. It'll lay in the end tanks.
Oh, the "muffler" in an auto A/C line is simply a chamber, no guts inside, so yes, you could flush it.
If you install an FS-10 or whatever Ford calls it now, a late model parallel flow condenser, new receiver/drier and new hose set, correct oil, and R134A refrigerant, you can get good A/C back.
If the vacuum reservoir isn't connected, it must have leaked and somebody bypassed it. If air blows out of the dashboard vents and continues to do so on hill climbing or acceleration, whoever bypassed it used a check valve and added another reservoir. If it blows out the Defrost vents, either all the time or on climb/acceleration, then it needs vacuum through a check valve and hose/reservoir that doesn't leak.
I think you'll read that Evaporators don't flush well. Like radiators and heater cores, they're parallel flow. Condensers USED to be a path run by one piece of tubing, and could be flushed. In parallel, the flush agent will take the path of least resistance (tubes that are NOT clogged) bypass clogged ones. And, you can't blow the flush agent out. It'll lay in the end tanks.
Oh, the "muffler" in an auto A/C line is simply a chamber, no guts inside, so yes, you could flush it.
If you install an FS-10 or whatever Ford calls it now, a late model parallel flow condenser, new receiver/drier and new hose set, correct oil, and R134A refrigerant, you can get good A/C back.
If the vacuum reservoir isn't connected, it must have leaked and somebody bypassed it. If air blows out of the dashboard vents and continues to do so on hill climbing or acceleration, whoever bypassed it used a check valve and added another reservoir. If it blows out the Defrost vents, either all the time or on climb/acceleration, then it needs vacuum through a check valve and hose/reservoir that doesn't leak.
