rear a/c block off or delete - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 12 (permalink) Old 08-13-2018, 06:43 PM Thread Starter
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Angry rear a/c block off or delete

So my a/c went out on my 08 overland. added refrigerant and hear a leak coming from the lines going to the rear evaporator core. in order to replaced the lines u have to replace all 4 lines that come in one piece (coolant and a/c) and that part is on back order or discontinued cant find it anywhere. so i was searching the old interweb and found these generic block off caps that cap off the lines going to the rear evaporator. has anyone done this before ? did it work ? will the generic size cap/ plugs work ?
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post #2 of 12 (permalink) Old 08-14-2018, 10:03 AM
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UK based here so my solution might be harder to souce in USA.

I went on E-bay and got an aircon repair kit, basically a set of aircraft grade conectors (like would be used in water system plumbing in the house) and a length of air con pipe from a scrap yard / breakers yaed. cut the damaged section out and replaced it with a piece off the pipe from the breakers yard. took it to an aircon shop, had it regassed and 12 months later its still working.
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post #3 of 12 (permalink) Old 08-14-2018, 05:37 PM
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I blocked mine off with a kit my Indie supplied. I believe it recirculates. Mine was leaking at the cross member which would of required dropping the rear axle and cross member.
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post #4 of 12 (permalink) Old 08-20-2018, 02:33 PM
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I had same issue in my 06. I bought high and low pressure lines for jeep commander without rear AC and installed them which basically blocks off the rear AC.

2006 65th Anniversary Edition Commander (Black/Grey)
Specs: 4.7 V8, 4x4
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Mods: Steering Wheel Controls, removed airbox resonator,
Bilstein 5100, 245/70/17 Cooper AT/3
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post #5 of 12 (permalink) Old 08-20-2018, 10:13 PM
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^^^now thats a slick idea
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post #6 of 12 (permalink) Old 08-21-2018, 01:31 PM
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I can confirm, that getting new lines for XK 3 zone AC is virtually impossible. My mechanic just changed them on my XK and he told me, that he only knows about one other set of lines in Europe and then it is over... I was told after the repair, that I need to regularly clean the drain hole in the heat shield, otherwise they will start leaking soon when the heat shield fills with dust and mud and starts soaking water and corroding the lines...
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post #7 of 12 (permalink) Old 08-21-2018, 02:22 PM
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the commander is a long truck with seats that go all the way to the back, and glass that goes all that way to. it gets hot in the back in summer, and cold in winter.

Jeep saw fit to install Aircon in the rear end, problem was they had to route the pipes somewhere, the weak spot is near the rear offside wheel where the sh1t from the road collects. the fix is 4 conectors (2 for each pipe) and two lengths of reclaimed aircon pipe. splice reclaimed into the damaged section, regas, problem solved.

why ar5e about disonecting the rear end? if it bothers anyone that much just do your bit for the planet and avoid useing aircon.
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post #8 of 12 (permalink) Old 08-21-2018, 08:36 PM
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So, if the ac in my commander, equipped with the rear air, does not work, its probably the lines to the back leaking? These lines run outside the cabin? Exposed to the elements?
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post #9 of 12 (permalink) Old 08-22-2018, 02:02 AM
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Quote:
Originally Posted by CmdrOrvis View Post
I can confirm, that getting new lines for XK 3 zone AC is virtually impossible. My mechanic just changed them on my XK and he told me, that he only knows about one other set of lines in Europe and then it is over... I was told after the repair, that I need to regularly clean the drain hole in the heat shield, otherwise they will start leaking soon when the heat shield fills with dust and mud and starts soaking water and corroding the lines...
My 2006 A/C works well front and rear, and I would like to keep it that way. Where is this heat shield that needs to be cleaned?
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post #10 of 12 (permalink) Old 08-22-2018, 02:34 AM
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Quote:
Originally Posted by Carbuff View Post
So, if the ac in my commander, equipped with the rear air, does not work, its probably the lines to the back leaking? These lines run outside the cabin? Exposed to the elements?
a mistake i admit to making when i first got my commander was to assume the rear HVAC units wern't working when the front end was blowing a veritable gale. I then found out that it has to be swtiched on from the dashboard mounted switches - and it started blowing. Yes the pipes run under the vehicle to the rear. somewhat exposed yes.

Quote:
Originally Posted by GTF View Post
My 2006 A/C works well front and rear, and I would like to keep it that way. Where is this heat shield that needs to be cleaned?
I found a heat shield / guard plastic plate thing just behind the rear wheel behind which 'road debris' had collected and caused (in my opinion) the pipes to corrode. i didnt replace it after the repair and now the 'road debris' doesn't collect there. but the pipes are slighty more exposed to damage without it being replaced..
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