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mikkhh · 05-14-2026, **(Subject: A/C hose lines )**

AC is actually important, nicely cool cab makes you more alert and less tired. Fixing it costs, but pay once and get over or just have issues every time you use.

3406E · 05-14-2026, **(Subject: A/C hose lines )**

Yh, thats so true. I heard guys in 60s doing trucking didn’t have A/C and power steering. Couldn’t imagine a summer doing that.

Rawze · 05-15-2026, **(Subject: A/C hose lines )**

(05-14-2026 )3406E Wrote: Yh, thats so true. I heard guys in 60s doing trucking didn’t have A/C and power steering. Couldn’t imagine a summer doing that.

Us older guys call that 'Two-Fifty Five" A/C...

Two windows down, and going 55+ mph...lol

mikkhh · 05-15-2026, **(Subject: A/C hose lines )**

Windows down VS AC what is the fuel consumption difference?

I think AC is more efficient than windows down on highway speeds. Also windows down is not possible in dusty places and also the wind noise is no good either, gets tiring fast.

3406E · 05-15-2026, **(Subject: A/C hose lines )**

(05-15-2026 )mikkhh Wrote: Windows down VS AC what is the fuel consumption difference?

I think AC is more efficient than windows down on highway speeds. Also windows down is not possible in dusty places and also the wind noise is no good either, gets tiring fast.

Windows down is horrible, won’t do much if it’s very humid

JimT · 05-23-2026, **(Subject: A/C hose lines )**

I resist using AC until outside temps stay above about 85 degrees F. Otherwise I like the fresh air. Above 85 the heat just builds up, especially down around my feet. I miss the older trucks that had various vents you could open, for example near you feet. Or the angled side window you could use to direct airflow.

I started my career in early 2000's doing local LTL making about 20 stops every day. 5-15 minutes between stops with 15-30 minutes parked. Even with the windows open the heat from the engine would soak into the cab. Trucks did have AC but you were rarely in them long enough to cool off before the next stop. Some drivers from other LTL companies told me they were forbidden from using the AC unless they were on the highway. Between the frequent stops and all the time spent working inside the trailer at stops I quickly got used to the heat.

These days I find myself using the AC more often though. My refrigerator is happier with the lower ambient cab temps, the wind noise makes it hard to listen to audio books, it does seem more fuel efficient due to aerodynamics and I'm driving for hours at a time now so long term comfort and alertness are important.

runningman777 · 09-10-2026, **(Subject: A/C hose lines )**

On my 2010 387, the hoses would have to be custom made.

I cut the two ends off and took them to an auto air shop nearby.

They made me a hose to the length I specified by brazing ends onto my pieces that adapted to their hose.

Cost me around $200 and finally for the past year I am leak free.

Only issue is that since this is the liquid line it increased the amount of R134A that the system holds as the original line had a few short hose sections and was mostly steel line which has a smaller inside diameter than the hose. I had to add more than what the data plate calls for.

3406E · 09-10-2026, **(Subject: A/C hose lines )**

That’s what I wanted to do also but my ends were rotted. My truck spent most of its life in Canada salt. I tried to have them custom built at a hose shop in knoxville but the guy said he would have to buy tools to make the bends ,so I went straight to the dealer and ordered It and have them transferred from international warehouse in Atlanta. Couple weeks after that my blower motor went out lol. That was another $800. I also changed the blower motor resistor same time at truck stop In 98 degrees weather.