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Old 01-09-2008, 01:57 PM   #1
ejh25
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Default AC Removal/ Delete

Can anyone point me to a DIY AC delete or removal?

I tried searching and pulled up a lot of irrelevant stuff.

Thanks,
Eric


Update:

Did some more searching: http://forums.nasioc.com/forums/show...6#post20673576
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Last edited by ejh25; 01-10-2008 at 02:22 PM.
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Old 01-09-2008, 02:00 PM   #2
98EJ20
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Just remove everything AC related. Its a seperate belt so you wont need a special belt after
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Old 01-09-2008, 02:43 PM   #3
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Originally Posted by 98EJ20 View Post
Just remove everything AC related. Its a seperate belt so you wont need a special belt after
So what you're saying is just start ripping stuff out?

I can do that. Do I need to worry about any fluids? The refrigerant?
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Old 01-09-2008, 03:46 PM   #4
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Quote:
Originally Posted by ejh25 View Post
So what you're saying is just start ripping stuff out?

I can do that. Do I need to worry about any fluids? The refrigerant?
it is possibly toxic, depending on who you ask. take it to a shop and have them drain the system for you.

Are you planning on ever selling or re-installing it? That will dictate how much you actually want to remove.
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Old 01-09-2008, 03:56 PM   #5
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Quote:
Originally Posted by ejh25 View Post
So what you're saying is just start ripping stuff out?

I can do that. Do I need to worry about any fluids? The refrigerant?
Go to a propper AC shop to have the AC system drained. DO NOT just start cutting lines hoping it will dissapate there's alot of pressure in an AC system which can hurt you. The refrigerant is toxic and you're supposed to legally have it vaccumed out, not just dissapating into the air.
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Old 01-09-2008, 04:12 PM   #6
ejh25
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Originally Posted by rkramer View Post
it is possibly toxic, depending on who you ask. take it to a shop and have them drain the system for you.

Are you planning on ever selling or re-installing it? That will dictate how much you actually want to remove.
I'm not concerned about selling the car.

It is on its way to being entirely stripped out.

Thanks for the advice.

- Eric
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Old 01-09-2008, 04:12 PM   #7
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Quote:
Originally Posted by maddhatteroo7 View Post
Go to a propper AC shop to have the AC system drained. DO NOT just start cutting lines hoping it will dissapate there's alot of pressure in an AC system which can hurt you. The refrigerant is toxic and you're supposed to legally have it vaccumed out, not just dissapating into the air.
I appreciate the advice. Is there a way I can safely drain the system myself?


Thanks,
Eric
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Old 01-09-2008, 08:06 PM   #8
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You may be able to rent the equipment to evacuate the system at an auto parts store.
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Old 01-09-2008, 09:43 PM   #9
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Originally Posted by JCooper702 View Post
You may be able to rent the equipment to evacuate the system at an auto parts store.
Thanks.

I may just have a local gas station drain it for me this Saturday. I'm in a big weight savings mode and I like to rip a little bit out every weekend!

It is amazing how different the car feels after what I've done so far.

- Eric
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Old 01-09-2008, 10:46 PM   #10
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When in doubt, rip it out. Ive been thinking about doing the same thing, but then I remember the 100+ degree summers in my DD and forget about it. Removing weight = free horsepower
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Old 01-09-2008, 11:43 PM   #11
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Quote:
Originally Posted by maddhatteroo7 View Post
Go to a propper AC shop to have the AC system drained. DO NOT just start cutting lines hoping it will dissapate there's alot of pressure in an AC system which can hurt you. The refrigerant is toxic and you're supposed to legally have it vaccumed out, not just dissapating into the air.
R134A is no way near to being toxic and destroying the ozone layer. Its actually enviromentally friendly but EPA still wants to see it being disposed of properly. Or else, they wouldnt sell it at any auto parts store without being certified to handle such gases. Im EPA certified to handle these gases and thats how I know.
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Old 01-10-2008, 11:37 AM   #12
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R134A is no way near to being toxic and destroying the ozone layer. Its actually enviromentally friendly but EPA still wants to see it being disposed of properly. Or else, they wouldnt sell it at any auto parts store without being certified to handle such gases. Im EPA certified to handle these gases and thats how I know.
Okay so let's just say I want to do this myself and I don't want to rent the required equipment. The liquid refrigerant will just turn to a gas and defuse out as soon as I cause a leak in the system right?

- Eric
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Old 01-10-2008, 11:54 AM   #13
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Yes the refrigerant is only liquid under pressure.
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Old 01-10-2008, 12:00 PM   #14
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Yes the refrigerant is only liquid under pressure.
So wear gloves and don't breath. Got it.

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Old 01-10-2008, 12:31 PM   #15
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Removing weight is free hp, so it removing load from the crank pulley Get a Perrin pulley too, nice lil gain for $125
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Old 01-10-2008, 01:58 PM   #16
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Originally Posted by 98EJ20 View Post
Removing weight is free hp, so it removing load from the crank pulley Get a Perrin pulley too, nice lil gain for $125
Thanks for the advice. Rotational weight is key but I think I'll stick with OEM pulley for the time being.

Last edited by ejh25; 01-10-2008 at 02:03 PM.
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Old 01-12-2008, 06:38 PM   #17
ejh25
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I deleted my AC today. Everything except the condensor.

The compressor and all the engine bay lines CAN be removed without taking the radiator out.

I decided to vent the A/C refrigerant myself. I cracked open several locations in the system and let the liquid dissapate into a gas. There still was some residual green goo that I tried to cleanup.

The bolts on the bottom of the compressor are difficult to access. The one towards the rear of the car is needs a substantial offset yet a very shallow wrench as there is very little space to get to it. The compressor is heavy and well worth taking out for a race car.

I was able to remove all the lines without hacking anything up what-so-ever. I did realize as I was doing this that this mod would be very hard to reverse. Re-installing the lines would be very difficult with a full engine bay. I had to tug and twist a little bit to get the lines out.

I'm more than happy to answer any qs on this topic for those concerned with weight loss.

I have dropped a substantial amount of weight from the car and it makes a HUGE difference in acceleration and handling. My guess is that I'm right around 2850 lbs w/out driver. My goal is to get it down to 2650. I'll weigh the car when I can.

- Eric

Last edited by ejh25; 01-13-2008 at 08:49 PM.
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Old 01-13-2008, 04:17 PM   #18
AlboWRX
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If you have a handy list of all the stuff that you have taken out it would be helpful. Also, why cant you reverse the mod? You didnt damage any lines so putting it back should be just the reverse?!
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Old 01-13-2008, 04:26 PM   #19
ejh25
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If you have a handy list of all the stuff that you have taken out it would be helpful. Also, why cant you reverse the mod? You didnt damage any lines so putting it back should be just the reverse?!
You could reverse the mod but it would be really difficult to get the lines back into place with the motor in the car. It would be a big PITA. I'll adjust what I said previously to incorporate that.

Weight savings so far (I'm missing some stuff and will update more later).
A/C
spare
jack
tools
trunk carpet
trunk surrounds
rear seat
rear door cards
rear speakers
rear deck
under carpet insulation
under dash insulation
center console and armrest
sun visors
coat hangers
ashtray
plastic sheeting underneath all door cards
some under carpet tar
unecessary bolting brackets and associated hardware
fog lights
brake dust shields

Part changes with weight reductions:
TXS TBE
Gruppe-S headers
Wilwood 4 pot front brakes
Aluminum driveshaft
Aluminum control arms
FMIC w/ front bumper beam delete

Last edited by ejh25; 01-14-2008 at 08:54 AM.
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Old 01-14-2008, 08:42 AM   #20
98EJ20
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Whats your next plans? CF parts?
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Old 01-14-2008, 08:50 AM   #21
ejh25
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Originally Posted by 98EJ20 View Post
Whats your next plans? CF parts?
Lightweight parts:
lightweight battery
racing buckets
removal of all airbags
aluminum subframe
removal of rear bumper beam
coilovers
alumnium trunk

If the funds become available:
CF doors

Maybe Remove:
stereo
front speakers
wiring for stereo

Last edited by ejh25; 01-14-2008 at 08:55 AM.
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