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Unread 09-03-2013, 08:43 PM   #1
Terry777
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Air conditioning year round?

Hey all, I`m thinking of buying another belt and bypassing the air conditioner for the cooler months even though I`ve never used it I`m going to keep it incase I ever sell or want to turn it into an air source :/

Will I see gains in MPG and engine performance ? Will the compressor seize and be no good?

I park in an unground so no direct weather and the Vancouver lower main land is never that hot or cold so no problems there.

Thanks for your time.

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Unread 09-04-2013, 06:32 AM   #2
Holder350
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With the system off (no ac or defrost on) the compressor is nothing more than an idler pulley.

You could unplug the clutch connection to keep the compressor from running even when you had the defrost on.

Besides on the 4.0 its impossible to bypass the AC without removing the compressor and adding a AC delete pulley.

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Unread 09-04-2013, 12:02 PM   #3
Terry777
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Ok thanks, I`ll just unplug the clutch connection for the cooler months. cheers!
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Unread 09-04-2013, 01:01 PM   #4
cruiser54
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Quote:
Originally Posted by Terry777 View Post
Ok thanks, I`ll just unplug the clutch connection for the cooler months. cheers!
And then your defroster will work poorly.................
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Unread 09-04-2013, 02:48 PM   #5
JeeperCreepers7
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There's no need to do anything weird/special, when it's off it's off.
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Unread 09-04-2013, 03:56 PM   #6
Holder350
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Originally Posted by cruiser54 View Post

And then your defroster will work poorly.................
True that. If my compressor worked I would much rather have it available to help defrost and defog the interior windows. Unless you turn the selector to defrost or AC the compressor will not be running.

Most people don't realize how much moisture the AC system removes from the cabin.
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95' XJ Country - Stock Skids - D30/D35 Limited Slip - 3" Lift - 31x10.50R15 - 4.0 HO - AX15 - NP231

98' XJ Classic - D30/C8.25 - 4.5" RC Lift - 33x12.50R15 - 4.0 HO - AW4 - NP231
Quote:
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You can tell the character of a person in how they treat someone who can do nothing for them.
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Unread 09-04-2013, 07:15 PM   #7
Terry777
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So I`ll just leave it alone, It`s not charged and I have never needed it anyway I`m born and raised in Ontario so the Vancouver heat is a joke just like their winters...

I would rather keep the windows down & breath fresh air anyway, air conditioned vehicles always make me feel ill no matter how old or new.
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Unread 09-04-2013, 07:31 PM   #8
cruiser54
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If I wasn't confused before, I am now for sure.
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If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
Refresh*Connections*Before*Replacing*Components
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Unread 09-04-2013, 08:09 PM   #9
Holder350
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?????

If the system is not charged the low pressure switch will not let the clutch engage.

So the system is not working and you don't plan to fix it you might as well make it into an OBA setup.

Sent from my phone
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95' XJ Country - Stock Skids - D30/D35 Limited Slip - 3" Lift - 31x10.50R15 - 4.0 HO - AX15 - NP231

98' XJ Classic - D30/C8.25 - 4.5" RC Lift - 33x12.50R15 - 4.0 HO - AW4 - NP231
Quote:
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You can tell the character of a person in how they treat someone who can do nothing for them.
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Unread 09-04-2013, 08:51 PM   #10
cruiser54
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Quote:
Originally Posted by Holder350 View Post
?????

If the system is not charged the low pressure switch will not let the clutch engage.

So the system is not working and you don't plan to fix it you might as well make it into an OBA setup.

Sent from my phone
Sooooo, it's not just me.
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Quote:
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
Refresh*Connections*Before*Replacing*Components
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Unread 09-04-2013, 09:33 PM   #11
jjvw
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Leave it alone for no other reason than having functional defrost. I was born and raised in Minnesota, so I appreciated AC in the miserable summers and defrosters in the bitter winters.
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Unread 09-04-2013, 09:38 PM   #12
cruiser54
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Leave it alone for no other reason than having functional defrost. I was born and raised in Minnesota, so I appreciated AC in the miserable summers and defrosters in the bitter winters.
But his AC system is discharged.............
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Quote:
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
Refresh*Connections*Before*Replacing*Components
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Unread 09-04-2013, 09:50 PM   #13
jjvw
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But his AC system is discharged.............
I see that now..............7 posts in! Seems relevant to the original question.
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Unread 09-04-2013, 10:43 PM   #14
Holder350
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One might think.....but none the less I hope his question was answered.

Kinda.

There was a question right?

Sent from my phone
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95' XJ Country - Stock Skids - D30/D35 Limited Slip - 3" Lift - 31x10.50R15 - 4.0 HO - AX15 - NP231

98' XJ Classic - D30/C8.25 - 4.5" RC Lift - 33x12.50R15 - 4.0 HO - AW4 - NP231
Quote:
Originally Posted by Azzy View Post
You can tell the character of a person in how they treat someone who can do nothing for them.
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Unread 09-05-2013, 03:46 PM   #15
Terry777
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On board air ?

Quote:
Originally Posted by Holder350 View Post
One might think.....but none the less I hope his question was answered.

Kinda.

There was a question right?

Sent from my phone
Yep, power theft from engine robbing MPG and it was mentioned it`s a free spinning wheel, with that said it`s still more belt and another wheel to turn but my non engineer`s out look is coming to the conclusion even a Dyno test would have trouble showing a difference

Thinking about the on board air but I have a nice little super flow MV-50 that's up to the task for my 265/75/16 = to 31.6X10.4.

That said could I use it without a tank or is the pressure not worth it?
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