Mounting compressor under the seat?

Submitted: Tuesday, Nov 21, 2006 at 22:35
ThreadID: 39676 Views:3825 Replies:7 FollowUps:15
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Hi, I have heard of some people mounting their compressor under the passenger seat and am interested to hear from anyone who has done it, particularly in a GU Patrol.

My main concern is how hot the compressor gets and the fact that it will be in contact with carpet etc? I have one of the Max-Air copies. Any advice on how to secure it would be appreciated. I assume you remove the tray it normally stands on to save space? Wiring it up shouldn't be an issue because I have heavy gauge power to that region already for an inverter under the drivers seat and can have another set of Anderson plugs to swap to the compressor when required.

On a related matter, I also recall reading that some have removed the air conditioner ducts under the seats in their GU to gain added room (I think Roachie may have done this?). Does this have any side effects with regard to air flow etc? Do you have to block off the end of the outlets that remain? Can it be achieved without removing the seats? (and if not are there any tricks to removing the seats? ..I have the Ti with fully electric seats so may have added complications).

Thanks in advance for any advice

Regards
Trev
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Reply By: Doggy Tease - Tuesday, Nov 21, 2006 at 23:24

Tuesday, Nov 21, 2006 at 23:24
Trevor,,,i cheated when i wanted a air compressor.
I drove into ARB and told them to put one in. Only place they could put it was under the passenger seat because of the ABS system under the bonnet.
They didnt remove the air vent from under the seat.
Whenever i ran it, i simply left the car running, with airconditioner on, and blowing down into the footwell area. Never had a problem.
The aircompressor we had/have is the airlocker jobbie from ARB, and it will go into the new patrol in a few weeks time, courtesy of Robson Bros.

meow.

rick.

AnswerID: 206270

Reply By: Member - Kiwi B - Tuesday, Nov 21, 2006 at 23:48

Tuesday, Nov 21, 2006 at 23:48
Trevor,

Got one of the cheap $160 units sitting under drivers seat. Does get pretty warm after a good workout but it's still mounted on plate with comp/motor turned 1/4 of a turn to reduce height.

I've probably removed any vents that were in my way to create some extra space.

Good luck,
AnswerID: 206277

Reply By: Footloose - Wednesday, Nov 22, 2006 at 07:28

Wednesday, Nov 22, 2006 at 07:28
Why mount it on the vehicle at all unless you have air lockers ? Throw it in a box with a couple of leads for the battery. When you need to use it you'll be stopped anyway, won't you ?
AnswerID: 206312

Follow Up By: Redeye - Wednesday, Nov 22, 2006 at 08:32

Wednesday, Nov 22, 2006 at 08:32
Have to agree footloose

I have an Anderson plug on my compressor.

Have Anderson plugs on the front and rear of the vehicle as well as the camper.

This gives me plenty of flexibility.

Redeye
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FollowupID: 466213

Follow Up By: Trevor M (SA) - Wednesday, Nov 22, 2006 at 08:40

Wednesday, Nov 22, 2006 at 08:40
It's really just a storage and convenience issue. May as well make use of the space if I can and saves having to dig around in the back to find the compressor when needed.

I agree it's not a big deal, just something I am considering if it is feasible.

Thanks for all the replies

Trev
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FollowupID: 466216

Follow Up By: Member - Oldplodder (QLD) - Wednesday, Nov 22, 2006 at 09:04

Wednesday, Nov 22, 2006 at 09:04
Same here.
Mounted mine under the front driver's seat.
Empty space there, so it saves space in the rear, and easy to get to.
Switch next to it on the centre console.
Bent up a bit of 1.6mm plate so it mounts over the air duct, and bolted it through the floor. Wouldn't want it coming loose and having an air compressor flying around my feet as I am driving.
Only hassle is I still keep the air hose in the rear.
Under the bonnet pretty full already.
Under the drivers seat keeps it cleaner as well. Less dirt in the bushes.
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FollowupID: 466222

Follow Up By: Truckster (Vic) - Wednesday, Nov 22, 2006 at 10:24

Wednesday, Nov 22, 2006 at 10:24
Another fan of under drivers seat. thats where mine was in GQ< and its out of th way nobody knows its there :)
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FollowupID: 466242

Follow Up By: Zig-n-Zag - Wednesday, Nov 22, 2006 at 10:45

Wednesday, Nov 22, 2006 at 10:45
Footloose
How many times have you decided on short notice to go for a drive and when left home found that you have left something behind.

Mine is mounted under the bonnet so that I know that all times I have the compressor on board for the unplanned trips into sand dunes.

Under the bonnet have found can get warm and I may consider putting under the seat. When under the seat the noise can make passengers get out when using so they will stretch legs.

Cheers

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FollowupID: 466244

Follow Up By: Footloose - Wednesday, Nov 22, 2006 at 10:46

Wednesday, Nov 22, 2006 at 10:46
Horses for courses I guess. I also use mine to pump up various non 4wd vehicles so its more convenient for me to take a box.
The only downsides I can think of are fitting the box in with all the other junk and possibly forgetting the box in your hurry to get away :))
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FollowupID: 466246

Follow Up By: Member - Roachie (SA) - Wednesday, Nov 22, 2006 at 15:19

Wednesday, Nov 22, 2006 at 15:19
I have removed the 2 ducts under the drivers seat. There is not much to them and they just direct warm air (not air conditioned air for some reason) from the raised cross member that the front of the front seats is bolted to.

Best to remove seats to do this job......but that's easy for me to say cos mine is a GU. The Ti might be a different proposition with wiring etc. However, I still think there would be a simple plug under there that could be unplugged to get the seat out.

Mounting compressor under seat is (IMHO) a good idea. I'd be trying to ensure there was a barrier between it and the carpet, "just in case". Maybe a sheet of aluminium plate, bent a right angles, so the compressor could be bolted to the vertical section and the horizontal section bolted to the floor? I know you may not be too keen on drilling holes through the floor etc (and you certainly need to know what is UNDER the floor before drilling); but if you're worried about resale value etc, just bear in mind that the carpet will always be there....and nobody ever looks under the seat to see if there are any holes.....and you would always be covering the empty holes with either another bolt or maybe a rubber grommet etc, so no need to panic about that aspect.

If you do go to the effort of mounting it under the seat, I reckon you may as well go to the next level and run air hoses to front and back so you don't have to route around under the seat to connect-up the air hose. If you leave the air hose connected permanently to the compressor and coil it up under the seat, it always seems to unravel and end up falling out the bloody door, or under your feet when you're driving etc.

Cheers

Roachie
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FollowupID: 466296

Follow Up By: Zig-n-Zag - Wednesday, Nov 22, 2006 at 16:03

Wednesday, Nov 22, 2006 at 16:03
From everything I have read about Roachie and whats in his bus there is probably plenty of things that could fall out along with the hose when the door is opened:))

I may have to make the gathering next year to see the spectacular sight of the legendary Roachie setup:)))

Cheers
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Follow Up By: Member - Roachie (SA) - Wednesday, Nov 22, 2006 at 18:06

Wednesday, Nov 22, 2006 at 18:06
I might not still have the Patrol by next year...............
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Follow Up By: Trevor M (SA) - Wednesday, Nov 22, 2006 at 20:09

Wednesday, Nov 22, 2006 at 20:09
Thanks for the response Roachie,

2 further questions,

1- how are the vents attached? Are they simple push ins or are there screws or some other connectors that need to be undone? (helps with regard to whether they are possible to remove without taking the seats out)

2- In terms of running air hoses to front and back, how did you get them outside of the cabin? Did you run these through the floor as well? I guess the rear one could sit just inside the back door but the one at the front would need to be outside?

Thanks again.....will be looking forward to an opportunity to view your truck at some stage.

Trev
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FollowupID: 466362

Follow Up By: Member - Roachie (SA) - Thursday, Nov 23, 2006 at 08:21

Thursday, Nov 23, 2006 at 08:21
Trevor,
The vents (from memory) are held in place by one bolt each and if you push the seat all the way forward, you should be able to get access to the bolts without removing the seat. However, I reckon it probably won't make much difference whether you remove the plastic bits or not, as they tend to sit down in a recess and don't protrude all that much anyway. A second "however"......I reckon you'd have to remove seat anyway to be able to do a good job of mounting the compressor.

With the hoses.........the back outlet does sit just inside the back door, as you've indicated. The front one goes out through the firewall in the passenger's footwell. Bear in mind I use 6mm plastic tubing with Festo-style push-on fittings, so the hose is only about the same size as a largish electrical cable anyway. If you ever had a front air locker fitted (like mine), then you'd have to do that anyway.

My 2 compressors are mounted in the cargo area, above the passenger's side wheel arch and are connected to 2 air receiver tanks mounted on the cargo barrier.
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FollowupID: 466458

Reply By: pt_nomad - Wednesday, Nov 22, 2006 at 10:48

Wednesday, Nov 22, 2006 at 10:48
Trevor,
I'm also a big fan of under the seat mounting. I have a disco, so can't comment on fitting to a nissan.
Buy the appropriate tools to enable removal of the seat - makes the job much easier - mine reqd a large torx bit.
I have a switch and air line connection on the seat base shroud exterior - these are the only visable components of the install.
Connecting a hose and getting started is way fast and simple - making it viable to blow dust of the rear door in a reasonable amount of time and minimal setup trouble.
I have a ARB compressor, it gets warm. Its mounted so as to keep the warm bits out of contact with anything else and have not had any heat related issues - Only pumping 4 wheels (no trailer wheels).
Make sure the supply cable is big enough, I used 6mm2. I also fused the cable at the battery - 20A I think.
The seat facia switch suppies power to the presure switch relay - not switching the power to the motor its self. This means that a light duty / better looking switch can be used and minimises the number of connections between the battery and compressor motor.
worth the effort.
Paul.

AnswerID: 206347

Follow Up By: Trevor M (SA) - Wednesday, Nov 22, 2006 at 20:15

Wednesday, Nov 22, 2006 at 20:15
Thanks Paul,

As mentioned, I already have heavy wiring to the spot direct from the battery currently terminating in an Anderson connector for my inverter so power won't be an issue. It is already fused at the battery also.

I must admit I hadn't given switching much thought however and will take up your suggestion of using a switching relay.

Cheers
Trev
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FollowupID: 466364

Reply By: Member - Duncs - Wednesday, Nov 22, 2006 at 14:48

Wednesday, Nov 22, 2006 at 14:48
Mine is also the ARB unit mounted under the front passenger seat. It uses the mount supplied, lies on its side and the vent is still in place. Removing the seat is very simple at least on mine as I don't have the electronics. I would imagine they would be on a plug anyway.

I keep the air hose attached all the time. It runs under the fllor mat just near the door up behind the seat and is kept in a callico bag in the little tray under the fixed window at the side.

As well as tyres, my hose reaches all wheels on the car and trailer, mine gets quite frequent use for soccer balls, net balls, basket balls etc.

I also use it frequently for cleaning things and drying things that have been cleaned. I had overheating issues with it under the bonnet.

Duncs

Duncs
AnswerID: 206380

Follow Up By: Trevor M (SA) - Wednesday, Nov 22, 2006 at 20:18

Wednesday, Nov 22, 2006 at 20:18
Thanks Duncs,

I have absolutely no room under the bonnet so that is not an option anyway. My set-up is about the only vehicle that ARB have no answer on as to somewhere to put a second battery (except inside the cab which I would rather not do)

Cheers
Trev
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FollowupID: 466365

Reply By: russ36 - Wednesday, Nov 22, 2006 at 16:36

Wednesday, Nov 22, 2006 at 16:36
some of those air compressors have an auto cut out when they over heat and in tropical climates they do over heat...i would always have it outside where i can get max airflow arounrd the fins so they can do the job they were designed to do{dissipate heat}...also the air inlet may suck dust accumulated under the seat.........i would rather use that space to stow somthing else
AnswerID: 206401

Reply By: Robin - Wednesday, Nov 22, 2006 at 19:58

Wednesday, Nov 22, 2006 at 19:58
Must admit Trev I'm a bit like Russ36 and not keen on the idea of mechanical device operating under the seat, espically things that need fiddling with or to be used elsewhere at times.

In mine I cleaned out and removed vents, plastic covers and a number of bits and pieces from under all the seats and usually store selected plastic containers under the seats. e.g. first aid , spare bits etc, dozen cans of coke under rear seats etc.

But as for the compressor , well my ARB unit fitted under the bonnet, with a simple heatshield as I don't have the ABS unit.

I do still sometimes take my Big-W max-air copy but my solution was a bit more radical.

From day one I decided that I had to make more room and removed the 2m long pressed fibre panels on each side of car at back. This exposed the wheel wells and after some tiding up and relining of rear guard and wheel bulges with carpet I ended up with many extra spare liters of space.

The max-air copy can now simply be placed in either wheel well along with lots of other bits for easy access.

Robin Miller



AnswerID: 206429

Follow Up By: Trevor M (SA) - Wednesday, Nov 22, 2006 at 20:28

Wednesday, Nov 22, 2006 at 20:28
Thanks Robin,

I have actually read with interest the write-ups you have done previously regarding mods to your GU. I may need to call on your experience soon in fact as I have just purchased a winch that I will be trying to mount on a chassis cradle similar to yours as my Ti bar is not winch compatible (it is the chrome tube type which shouldn't get in the way).

With regard to using the space in the quarter panels as you mention, that raises another complication with the Ti. Guess where they have mounted all of the extra stuff for the rear airconditioning unit? (I only found this out when I bought and took everything apart to install one of those 20 litre water containers for inside the rear passenger quarter panel)

Whilst it is not necessarily ideal for setting up as a tourer, I shouldn't complain too much about the Ti given it was a concession to get the wife to go with a 4WD instead of a people mover.

Cheers Trev

PS any additional tips re the winch mounting would be welcome
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FollowupID: 466366

Follow Up By: Robin - Thursday, Nov 23, 2006 at 07:34

Thursday, Nov 23, 2006 at 07:34
Hi Trevor

I wouldn't complain either , a Ti is a rather nice compromise all by itself.

I noticed a few leads that went nowhere when re-doing the back of mine , guess meant for all those nice acessories.

One thing I would do is keep my eye out for a spare bumper bar. Some places like Nissan dealers have been known to throw them out when they have those free bullbars promotions and other places sell them cheaply.

After a lot of searching I picked up one for free , and it makes it a lot easier to do those little cuts to fit things when you have a new one for trade in day.

Robin Miller

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FollowupID: 466452

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