Has anyone replaced the larger diameter AC return hose that comes out from under the battery tray? Mine sprung a leak and I can't find it in any catalogs.

Does it go through the firewall all the way to the evaporator?

Any info would be helpful.

Thanks!

Helps to know the model and year of your car

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
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2013 Fiat 500E.

Sorry, it's a 1985 300CDT.

It is number 56 in this diagram. I can find it for up to '81 models, which is P/N 1238305715.

I guess I'll have to pull it out and have one made?

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any 82+ donor car would have that hose.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
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My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
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1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

I had to have my liquid lines rebuilt on my 300SD. You might be able to find a local shop that can crimp new hose on the ends. I'm assuming it is the hose leaking; not a bad O-ring at one of the connections.

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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
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Yeah, the leak is right in the middle of the hose.

So I take the battery and tray out to get it through the firewall?

There is a hose you can buy, keep looking at that 56 part item, and you'll find it on various trims of the W123. There are about 4 different part numbers that apply to that item. For some reason, the EPC doesn't indicate well, what part number is superseded by another, if it is compatible or not. I had a very helpful parts person, work it out, and we ordered that same hose for $45. It is being shipped, and I should have it next Monday, I'll add here again if it fits.

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1983 W123 300TD US spec Turbo engine, with Euro bumpers and manual climate control, and manual transmission.

Great, I would appreciate that!

On the model you've selected here on the EPC that is indeed the hose, but as you found out, selecting that part, gives you are note "this part does not apply to this model car"...I was getting so frustrated seeing that, I'd look at the hose, look at the one in my car, and mentally argue with the EPC "it damn well does apply, now give me the freaking part number"

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1983 W123 300TD US spec Turbo engine, with Euro bumpers and manual climate control, and manual transmission.