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#16
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+1
Make a plan, do it all at once. Or over the winter… I took a slightly less circuitous route, though I was standing on the shoulders of Sisyphean giants .
__________________
1981 240D 4sp manual. Ivory White. |
#17
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Did you see a huge difference with Parallel Flow? We are in the same climate, as you know, and my current stock system does ok with San Diego heat. |
#18
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It’s amazing how some hot weather can motivate an individual to get that AC working. The hard part is thinking it through when you have that single minded desire for that cold air.
To get back to the OP. What to do? I think if you just have a leaking hose, pull it off. Take it to an AC shop who can just crimp on some new rubber hopefully with real barbs. The MB OE barbs are like pseudo barbs. They are shallow grooves. If you are going to reuse the steel tubes see if you can get a barb brazed on. Then put the offending hose back on the car. Evacuate and charge using the free loan a tool manifold and pump from Autozone. Drive and enjoy the last days of summer and fall. Start thinking about how your dream AC is going to be built while driving in comfort. PF condenser is a must if you use R134a.
__________________
79 300TD “Old Smokey” AKA “The Mistake” (SOLD) 82 240D stick shift 335k miles (SOLD) 82 300SD 300k miles 85 300D Turbodiesel 170k miles |
#19
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Also, do you happen to have an EPC page handy for part numbers? My copy is missing this section. |
#20
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I don’t have PNs. Almost everything was recycled or replaced with 4 seasons stuff.
Are you running R12 or R134a? I bet you have half a dozen shops who can build custom AC hoses in your area. This is the one I was going to go to near me. I just found them on Google. https://www.cal-aire.com/
__________________
79 300TD “Old Smokey” AKA “The Mistake” (SOLD) 82 240D stick shift 335k miles (SOLD) 82 300SD 300k miles 85 300D Turbodiesel 170k miles |
#21
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I am running an HC refrigerant: Duracool So no. I didn’t experience a huge difference. That said, going from R134a to duracool was dramatic. Throwing in the PF condenser was like an Olympic swimmer shaving their arms.
__________________
1981 240D 4sp manual. Ivory White. |
#22
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Thanks for that link, I didn't realize you were in Southern California also. I'm sure I can find someone who will do this for me. |
#23
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#24
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Another update, in case anyone is interested. I found this interesting website:
https://coldhose.com/products/build-a-custom-ac-hose They make custom hoses, or you can send in an old hose for repair, or, you can simply buy your fittings from them. Seems like a resource I may use. Anyone used these folks? |
#25
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If you’re okay with your cooling performance you can hold off on the parallel flow condenser. My car really benefitted from the PF condenser. I converted to R134a. It went from cool to cold. I wouldn’t go back for anything. It will be a huge improvement for your R134a setup.
If you do switch you’ll need custom hoses. Then there’s the issue of the compressor which will need more custom hoses. The issue with using a service like cold hose is your hoses are made of bent steel sections and rubber sections. They probably cannot recreate the bent metal tubes with off the shelf components. That’s why you need to braze on barbs or male insert o-ring fittings on the metal sections then connect them with rubber. It’s going to take a plan where you determine each element your system is going to have. That’s why I say don’t come up with something in the heat of the moment. Fix it now with a hose, recharge, then plan your dream system in the winter when you have a cool head.
__________________
79 300TD “Old Smokey” AKA “The Mistake” (SOLD) 82 240D stick shift 335k miles (SOLD) 82 300SD 300k miles 85 300D Turbodiesel 170k miles |
#26
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I like your plan, just going to fix the hose and plan out a bigger refresh. |
#27
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Re question about cutting off the factory collars, it isn't easy. Cut lengthwise at slight angle and radially w hacksaw at the fwd end of collar, as you peel with locking pliers and prybar once you have enough sticking out to grab w a bench vise. The integral coll-o-crimp makes it much harder.
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#28
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Should I put my mastercool line crimp set in the tool rental list?
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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