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Posted

So I mangled my liquid line (between dryer and expansion valve) when I replaced my engine a couple years ago and it won't hold pressure anymore. I am looking for a replacement but I am coming up empty. 

Jeep air has been out of stock every time I check. https://jeepair.com/collections/liquid-lines/products/cherokee-liquid-line-drier-to-evaporator

I think the part number is 56002731, anyone know where I can get one?

Posted

Very hard to find. Probably need to get one made or go to a junkyard. You can ditch the brass valve which does absolutely nothing and then you have a more standard fitting on the drier. Both ends would then be No 6 fittings.

  • 3 weeks later...
Posted

That hard line did not work out, had to use part of the brass valve for it to fit at all and it didn't really want to go in. Don't think it is actually a No 6 fitting just very close. Getting the bend right was also basically impossible. I think I found a solution though https://jeepair.com/products/1987-1990-cherokee-4-0l-quick-disconnect-eliminator-kit?variant=41425272602821 is a kit specifically designed to replace this weird line. I should be getting it in the mail this weekend. 

Posted

That kit worked great, don't have the impossible to find hose anymore. The new dryer kind of points the line that goes to the condenser towards the battery tray. So there was a minor interference there but I was able to massage it into place.

  • 1 year later...
Posted

Had the same issue on my 87 Cherokee. I realize this is an old thread, but will comment here for future readers. 

 

If you don't want to buy the Jeep Air kit, you can have the hose made by Cold Hose (parent company also owns Jeep Air), and have it shipped to you. The hose cost me $55 + shipping. Here are the options you need when using their custom hose builder page on the website:

 

Build A Custom AC Hose
25 - 72 / NO / NO
Hose Type: BH6 - # 6 (5/16") Standard Barrier A/C Hose
Exact Hose Length: 33
Left Hose End: BL1821 - # 6 90 Degree O-ring Fitting
Inline Splicer: no
Splicer Length: 3
Mount Angle: Select Option
Right Hose End: SB1421 - # 6 90 Degree O-ring Fitting
Mount Angle Offset: 6

 

This is almost plug and play. It is the correct fitting on the expansion valve side, but on the drier side, you need to take the check valve apart and use the fittings that make up the valve to connect the hose to the drier. This is due to the fact the smallest size fitting cold hose sells is #6, but I believe the drier is a #5 or #4. The check valve is brass and composed of two sections. You need to remove the check valve internals and disassemble the valve, then you can flip one of the sections and use as a connector between the hose and drier. You do not need the check valve, my A/C works great without it. Nitrogen pressure test then vacuum down to 500 microns has shown this is effective.

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