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MountaineerTom's 2006 Jeep Wrangler Unlimited

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MountaineerTom

MountaineerTom

LJ Enthusiast, Retired USAF Weapons Loader
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Added some foam/rubber insulation to the low pressure side from the condenser to the firewall to see if it helps make the A/C just a little cooler.
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Also replaced the Hayden 2771 Heavy Duty fan clutch (on the left) with the Hayden 2791 Severe Duty fan clutch. Not having engine cooling problems but trying it to see if it also helps with cooler A/C at slower speeds like in-town stop-and-go traffic and out on the trail. I also tried the air hammer-on-the-edge-of-the-nut trick for the first time when removing the one that was on there. Way easier than all the other ways I've tried.
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NskLJ

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Install some seals (foam weatherstrip tape) to seal between the radiator and the condenser. Also seal between condenser and the core support. Rubber like used for the inner fenders works good for this. Getting airflow at idle is important. A electric pusher fan does wonders, to test this before installing one run the A/c at idle then run a water hose through condenser and see if it cools better. If it does a fan would help. It makes a mess but easy way to diagnosis.
 
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MountaineerTom

MountaineerTom

LJ Enthusiast, Retired USAF Weapons Loader
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Location
Sumter, SC
Install some seals (foam weatherstrip tape) to seal between the radiator and the condenser. Also seal between condenser and the core support. Rubber like used for the inner fenders works good for this. Getting airflow at idle is important. A electric pusher fan does wonders, to test this before installing one run the A/c at idle then run a water hose through condenser and see if it cools better. If it does a fan would help. It makes a mess but easy way to diagnosis.

I have a rubber seal between the radiator and condenser, but nothing extra between the condenser and core support, except the seals that run down the side.
 

Irun

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Oct 31, 2019
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Added some foam/rubber insulation to the low pressure side from the condenser to the firewall to see if it helps make the A/C just a little cooler.
View attachment 342230


Also replaced the Hayden 2771 Heavy Duty fan clutch (on the left) with the Hayden 2791 Severe Duty fan clutch. Not having engine cooling problems but trying it to see if it also helps with cooler A/C as slower speeds like in-town traffic and out on the trail. I also tried the air hammer-on-the-edge-of-the-nut trick for the first time when removing the one that was on there. Way easier that all the other ways I've tried.
View attachment 342231

View attachment 342232

View attachment 342234

View attachment 342233
The air hammer trick for removing the fan clutch is by far my favorite method. It never lets me down or results in busted knuckles!
 
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MountaineerTom

MountaineerTom

LJ Enthusiast, Retired USAF Weapons Loader
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The air hammer trick for removing the fan clutch is by far my favorite method. It never lets me down or results in busted knuckles!

I was surprised. I meant to try it last time I had the clutch off a few years ago, but forgot about it until I fought with it and already had it off. :ROFLMAO:
 
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Longwhitejeep

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Looks great! I just put that same fan clutch on my lj for idle Temps with ac maxed on these hot, humid days.

It has helped quit a bit with coolant temps.I definitely notice the increased fan noise on start up and when it's activated. It is cool to see how quickly the Temps drop with this severe duty clutch when it kicks on.

I had some minor belt squeal initially under hard acceleration when the clutch was engaged but haven't noticed it since.

I know on 2nd gen 4runners they used a small electric pusher fan that switched on with the ac to help ac cool better. It's common to see those retrofitted into other Toyotas and pick ups of the same generation.
 
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NskLJ

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Long Beach
I have a rubber seal between the radiator and condenser, but nothing extra between the condenser and core support, except the seals that run down the side.

The idea is to keep the cool air in front and hot behind the radiator. The auto manufacturers now have seals all around the radiator and condenser . My understanding without the seals air can travel through the radiator and condenser then back to the front in a circular motion isf the seals are not there.
 
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MountaineerTom

MountaineerTom

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How did you attach the module to the rear of the panel?

3M double sided tape. It’s the red part in this picture. I did remove a little material on the back of the interior trim so the homelink pieces would snap together better. You can see it in the pic too.

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