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  #1  
Old December 3rd, 2012, 08:44 PM
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A/C in SW

I have never been in a 90 SW in the hot summertime. For those of you that have SW's, how is the AC? Does it cool the entire truck comfortably? My thoughts are that I live in Denver now, so a SW would be okay, but if I were to move back to the south, I am not sure how I would feel about a SW in the dead of summer heat.
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  #2  
Old December 3rd, 2012, 08:50 PM
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Ive gone two summers in the Georgia ridiculousness without functioning AC. Not recommended unless you wear Army Greens or gym clothes.....however, obviously it didnt bother me enough to drive two hours to get custom lines built. Im about to get it fixed, no matter if you are in Georgia or the Rockies, the SW generates and traps heat like a champ.
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  #3  
Old December 3rd, 2012, 09:10 PM
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My 95 SW has factory A/C and I find it to be quite adequate in keeping me cool. The faster I drive, the more outside heat filters in to the cabin, so keeping it slow is the way to go.
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  #4  
Old December 3rd, 2012, 10:02 PM
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I took the A/C out of my 95 SW. I roll down the windows and open the vents all year. Lived in Denver most of my childhood and I definitely wouldn't use it up there. For the limited heat you have there during the days I would rather have the power to the engine to help navigating the mountains.
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  #5  
Old December 3rd, 2012, 10:11 PM
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Quote:
Originally Posted by WeBeCinYa View Post
I have never been in a 90 SW in the hot summertime. For those of you that have SW's, how is the AC? Does it cool the entire truck comfortably? My thoughts are that I live in Denver now, so a SW would be okay, but if I were to move back to the south, I am not sure how I would feel about a SW in the dead of summer heat.
It's nasty. Ask me how I know.
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #6  
Old December 3rd, 2012, 10:39 PM
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I'm in Texas with an LE. it's not awful, on the highest setting you get some cold air. I wouldn't expect comfort, but I always felt my ST was worse in the summer.
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  #7  
Old December 3rd, 2012, 10:53 PM
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Quote:
Originally Posted by leastonce View Post

It's nasty. Ask me how I know.
How do you know?

I'm really not concerned about this while living in Denver, but chances are I will move back to SC, GA or FL at some point. Don't want to roast my passengers in a 95 degree day.
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  #8  
Old December 3rd, 2012, 10:55 PM
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Quote:
Originally Posted by WeBeCinYa View Post

How do you know?

I'm really not concerned about this while living in Denver, but chances are I will move back to SC, GA or FL at some point. Don't want to roast my passengers in a 95 degree day.
Because I have a defender and drive it in the summer with broken AC.
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #9  
Old December 4th, 2012, 06:59 AM
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Lack of insulation is as much of an issue as a small a/c. Pull the headliner and dynamat the roof. For that matter, do the floors and bulkhead too. Tint the windows. You should be fine.
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  #10  
Old December 4th, 2012, 10:53 AM
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Quote:
Originally Posted by Reese_D90 View Post
Lack of insulation is as much of an issue as a small a/c. Pull the headliner and dynamat the roof. For that matter, do the floors and bulkhead too. Tint the windows. You should be fine.
also the cats and bulkhead are not well shielded so lots of heat gets into the cabin
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #11  
Old December 4th, 2012, 01:09 PM
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Live in Texas and the A/C in my '97 SW is bearable. Would I jump in mid day wearing a suit and tie and expect to be comfortable? No.

I have a roof rack that blocks the sun up top and dyanamated most of the interior (which was definitely an improvement).
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  #12  
Old December 4th, 2012, 02:11 PM
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The trick is to seal, I mean really seal the floorboards, tunnel, and seatbox. You won't believe how much heat migrates through....then dynamat everything, including the roof.

Even after doing that, I don't believe that the underdash unit would have kept up in South Georgia when it's 101 and 99% humidity...... Glad I spent the extra and installed a second smaller unit in the back.
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  #13  
Old December 4th, 2012, 02:26 PM
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the cats and the bulkhead are the worst for heat, wrap the exhaust a little dynamat in the seatboxes. I have always been happy with how the AC performs in my 95. My feet get really hot, its a little better with dynamat. I personally feel that the dynamat is over-rated, that being said every little bit helps when you have nothing
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  #14  
Old December 4th, 2012, 02:56 PM
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What really helped in mine was that I had several large rolls of 6" wide 1/4" thick dense foam that was adhesive backed, I put this down over the dynamat on the floorboards and footwells, then put heavy duty rubber-backed marine carpet down over that. Cut down on the noise and heat tremendously...of course, I don't have cats.....except for the ones that leave pawprints on the bonnet every night....
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  #15  
Old December 4th, 2012, 03:44 PM
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Quote:
Originally Posted by Gunmaker View Post
I took the A/C out of my 95 SW. I roll down the windows and open the vents all year. Lived in Denver most of my childhood and I definitely wouldn't use it up there. For the limited heat you have there during the days I would rather have the power to the engine to help navigating the mountains.
Yeah dont listen to Gunmaker....he's just Texas tough that way! A/C is the only way to go!!
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  #16  
Old December 4th, 2012, 04:32 PM
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I've been driving a SW as a daily driver for 8+ years and I currently have no additional insulation. The AC is more than adequate for the front passengers and up to four in the rear. On really humid days the system will sweat inside, which is a little annoying but all in all it works and i don't see a need to change anything.

Clay
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  #17  
Old December 4th, 2012, 09:18 PM
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Does anyone make an aftermarket A/C system for the D90? If so, how much better than factory is it, and what is the cost?

FWIW, I had an aftermarket system fitted to my '83 Porsche 911. Factory system was worthless, but with the aftermarket (Griffiths) system it was like an ice box!
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  #18  
Old December 4th, 2012, 09:24 PM
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Quote:
Originally Posted by Paul K View Post
Does anyone make an aftermarket A/C system for the D90? If so, how much better than factory is it, and what is the cost?

FWIW, I had an aftermarket system fitted to my '83 Porsche 911. Factory system was worthless, but with the aftermarket (Griffiths) system it was like an ice box!
I think a few guys on here have done it. Message Wolf. I think some guys have used early 80's Chevy kits (from what I remember reading) and they bolted up cleanly to the bottom of the dash.

Compressors are easy to find, condensers are off the shelf, lines can be made...etc..
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  #19  
Old December 4th, 2012, 09:26 PM
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Yeah there's a long thread somewhere on here about that chevy or something or other unit fit to Defenders.
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  #20  
Old December 4th, 2012, 09:26 PM
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Originally Posted by winn442 View Post
Me and several other people have made systems using parts from NostalgicAir.com....search for some threads on the subject.
Find this thread.
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