Dash Air Conditioning recharge

[Jasper]

I have a 2006 Mandalay 40' diesel pusher with a Cummings 400HP and a side radiator. My dash A/C puts out air that is just slightly cooler than the outside air. I am pretty sure I just need to recharge the A/C system but ………… I'll be darned if I can find the low pressure port to do the recharge. I have crawled inside the engine compartment, I have crawled around under it, I have check near the radiator - I have even check up front around the generator. But I can find nothing. Can anyone tell me where to look?

[16ACE27]

Start at your compressor and trace the low pressure hose back to the evaporator. Gotta be there somewhere.

[powerboatr]

look right up close to the evap...right behind the high pressure line

[simidrm]

Originally Posted by Jasper

I have a 2006 Mandalay 40' diesel pusher with a Cummings 400HP and a side radiator. My dash A/C puts out air that is just slightly cooler than the outside air. I am pretty sure I just need to recharge the A/C system but ………… I'll be darned if I can find the low pressure port to do the recharge. I have crawled inside the engine compartment, I have crawled around under it, I have check near the radiator - I have even check up front around the generator. But I can find nothing. Can anyone tell me where to look?

Funny I just recharged mine today for the same reason and when I went to recover the Freon it was empty, so I pulled it down for an hour and let it sit and it didn't loose any vacuum so the tag said 2lbs 9 oz the low side port will be close to the drier and high side is near the expansion valve I added some dye and charged it up and works good so have to wait and see if it leaks anywear.

[Trent]

The ports are up front on the passenger side next to the Generator

[ducksface]

My
'Just needs charged'
Zr2 was $2,400 in parts and labor.
Charged and lasted three days
$1000 in seals, lasted three days
Compressor and all $1,400....and a hope.
We'll see.

[simidrm]

Mine lasted about 3 was, the dye I added found the leak, the condenser had a rubbed hole in the top where a wire loom was rubbing it, $500 for a condenser and replaced dryer and expansion valve, so far it has lasted over a couple years.