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Old 06-26-2012, 10:33 PM   #1
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VIAIR ADA Install - 2012

I don't consider myself very handy when it comes to working on cars because I haven't done much of it. My Jeep for some reason is inspiring me to want to try to change that.

I decided to tackle installing a VIAIR ADA system on my JKU and the wife's JKU. She made me promise to do mine first incase I screwed up badly. I was very cautious when doing the install on mine and I spent a few evenings working on it. The instructions that came with the ADA are not good as they lack a lot of critical detail (at least for a guy like me). I found some useful help on this forum and called Travis at OBA a few times when I was stuck. Both Travis and all of you guys were very helpful and I'm grateful.


I decided while doing the install I would document what I was doing so I could share it with everyone since I was unable to find a detailed install thread using the search. My intent was to be very detailed in what I was documenting but as it turns out I failed and didn't do much more than take pictures. I wanted to list the tools and such but I didn't write them down and I don't recall all the sizes.

So if anyone wants to add to this or correct me please feel free. I'm new at doing this sort of thing and I'm sure there is great information I'm lacking.

The unit I'm installing here is this: VIAIR ADA 07-11 Jeep JK System 40041 - Onboard-Air.com

Threads on this forum that were of real help and contain more info that what is recorded here are:
http://www.wranglerforum.com/f33/onb...ir-159579.html

http://www.wranglerforum.com/f33/via...on-157782.html

Disconnect the Battery



Take the two bolts out of the brake booster



Install the bracket that will hold the compressor by attaching it where you just removed the two brake booster bolts



Notice that the one brake line may touch the bracket. It seems that on some Jeeps they touch and on others they don't. You can bend the brake lines a bit if needed so they don't touch. Others have also zip tied them or put rubber on them to protect them when they do rub



Now for the hardest part of installing the compressor. Mounting it to the bracket. Travis said the compressor can be installed on the bracket before it is bolted to the brake booster. I tried this and I could not see how to positon the bracket with the compressor on it and decided to go the route of installing the compressor after the bracket was on. I didn't get any pictures of this because both of my hands were tied up as well as my neighbors hands who came over to help me with this step. In the end what I found the easiest was coating the washers and nuts in Vaseline so that I could stick them on the bolts and take my hand away to grab tools and so on. My hand was small enough for me to slide it under the bracket from the left to do this.



Now it is time to run the wires through the firewall. Remove the rubber plug and poke a hole in it. Push the wires through the plug and feed them (one at a time so you know what is what when you connect them to the switch) into the floorboard of the drivers side footwell.





Remove the side dash panel



Drill a hold in the dash and install the button. Notice the position of the gold prong on the button. The instructions don't say it but the ground must be run off of the gold prong.





Fish the wires to the button. Be aware of what you are running them by. I wrapped both of them around my clutch and didn't realize it until I took a second look. Power (from the battery) goes to the center prong. The ground goes to the gold prong. The Delphi connector goes to the remaining prong.





Connect the ground coming off the switch to a bolt in the footwell and put the side dash pannel you took off back on.



Connect the ground coming off the Delphi connector to the bolt in the engine bay and connect the Delphi connector to the compressor.



Route and secure (I used zip ties) the wires in the engine bay.



Image limit hit. Continued in next post

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2012 JKU Sport Gecko 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Volant CAI/Various other cosmetic mods (Mine)
2012 JKU Sport Flame Red 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Various other cosmetic mods (Hers)
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Old 06-26-2012, 10:34 PM   #2
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Connect the power to the battery (leave the fuse out) and reconnect the negative to the battery



Insert the fuse



Screw the air filter onto the compressor and you should be all set! Connect the air hose, flip the switch and use (key in or out doesn't matter).



Hope this helps someone. Thanks again to all those who helped me.

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2012 JKU Sport Gecko 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Volant CAI/Various other cosmetic mods (Mine)
2012 JKU Sport Flame Red 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Various other cosmetic mods (Hers)
2014 Grand Cherokee SRT Redline 2-Coat Pearl Tow Group/HK Audio Group/Panoramic Sunroof/Satin Carbon W (Date Night Ride)
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Old 06-26-2012, 11:12 PM   #3
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Nice write up, thank you!!
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Old 06-27-2012, 07:24 AM   #4
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Nice Write-Up. This will help a bunch of folks out.

couple small notes:

I was able to install the bracket 1st,then the compressor. I used some blue tape to hold small nut. 2nd bracket I used; I installed the bracket to the compressor, then install to the brake booster. Both had their clearance issues. I do think it's a tad easier to install the package then mount to the booster.

I also ended up adding a relay to wire-harness. I did not want to run that much amperage through the switch.....even thu the rating they say is fine.
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Old 06-27-2012, 10:56 AM   #5
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Quote:
Originally Posted by steed77 View Post
Nice Write-Up. This will help a bunch of folks out.

couple small notes:

I was able to install the bracket 1st,then the compressor. I used some blue tape to hold small nut. 2nd bracket I used; I installed the bracket to the compressor, then install to the brake booster. Both had their clearance issues. I do think it's a tad easier to install the package then mount to the booster.

I also ended up adding a relay to wire-harness. I did not want to run that much amperage through the switch.....even thu the rating they say is fine.
Thanks for the additional notes. The blue tape is a good idea and a lot less messy than the Vaseline!
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2012 JKU Sport Gecko 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Volant CAI/Various other cosmetic mods (Mine)
2012 JKU Sport Flame Red 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Various other cosmetic mods (Hers)
2014 Grand Cherokee SRT Redline 2-Coat Pearl Tow Group/HK Audio Group/Panoramic Sunroof/Satin Carbon W (Date Night Ride)
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Old 06-27-2012, 11:29 AM   #6
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Quote:
Originally Posted by RRTRI View Post
I don't consider myself very handy when it comes to working on cars because I haven't done much of it. My Jeep for some reason is inspiring me to want to try to change that.

Just wanted to say I was in the exact same boat until I got my jeep. I tore into my motorcycle a bit but always left the cars/trucks to my dad/brother (who was/is a trained mechanic). The Jeep is different for me, I've tore stuff apart I'd never have considered getting into in my Ford Explorer. Fun times.
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Old 11-28-2012, 01:16 PM   #7
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Just wanted to check in and see how the product is working still. Wanting to do this in the future...

BTW very nice write up.
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Old 11-28-2012, 01:28 PM   #8
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This is something I plan on installing in the future. I really like the write up. Should be a big help when I go to install
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Old 11-28-2012, 01:37 PM   #9
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Thanks...its likely the only real contribution I've made to the site.

As far as if it is still working the answer is yes. I use it at least once a week and it has worked like a champ every time. The one I installed on my wife's had the pressure switch go bad the 2nd time she used it, but ViAir repaired it and it has worked fine ever since. I wouldn't do anything different having lived with it for several months now.
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2012 JKU Sport Gecko 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Volant CAI/Various other cosmetic mods (Mine)
2012 JKU Sport Flame Red 6sp/4.88/3" Teraflex/35's/Wet Okole/Teraflex Hinged TC/ACE RS FB RB/VIAIR OBA/Warn 9.5 CTI-s/Various other cosmetic mods (Hers)
2014 Grand Cherokee SRT Redline 2-Coat Pearl Tow Group/HK Audio Group/Panoramic Sunroof/Satin Carbon W (Date Night Ride)
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Old 03-08-2013, 12:54 PM   #10
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Nice! thinking of doing the same
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Old 06-24-2014, 04:11 PM   #11
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Nice write up!

I just install my 10yr old ViAir 450C compressor in my 2014 JKUR (3rd jeep it has been in). I was able to install the bracket with the compressor mounted by pushing the master cylinder into the brake booster with one hand and working the bracket on. The master cylinder nuts were easier to access with a wrench by removing the horn (outside nut) and from under the Jeep by moving the plastic inner fender skirt and reaching up (engine side nut).

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