Polyair Bellows

Submitted: Saturday, Oct 05, 2013 at 17:44
ThreadID: 104597 Views:2588 Replies:2 FollowUps:5
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I've just had a set of Polyair Bellows fitted to my Troopy so thought I might give you my thoughts so far.
The reason I put them on in the first place was because I will be towing a very heavy mobile pizza trailer around Australia next year (see my profile) and being heavy it tended to pull the back of the Troopy down.
The Polyair Bellows have fixed this and also improved the ride quite substantially with or without the trailer on. I am running 50psi in them and this seems to be ideal for both situations. Also I have noticed an improvement in the handling of the Troopy in that it does seem to sway any where near as much as before.
Here is a link to the product http://polyair.com.au/products/polyair-bellows/
Oh and I have no affiliation what so ever with this company!
I bought and had them fitted by Creightons Service Centre in Traralgon who are a TJM agent after seeing them at a 4WD show in Melbourne.
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Reply By: DesF - Saturday, Oct 05, 2013 at 18:02

Saturday, Oct 05, 2013 at 18:02
Hi, I have had Poly Airs on the Pajero for about 10 years now , Magic . but they must have changed them since I got mine ,
Mine are branded Max Pressure 25Lb and minimum of 5Lb empty.
When we go bush fully loaded I only need 15Lb to bring it back to level, and 18Lb with the van on the back.
You will be happy with your purchase.
Cheers Des.
AnswerID: 519222

Follow Up By: Member - bbuzz (NSW) - Saturday, Oct 05, 2013 at 19:07

Saturday, Oct 05, 2013 at 19:07
I have had mine for less than a year on a 2008 Prado.

I use 5 around town empty and 10 on the road with a 1800kg van. Better than HD springs.

Bill B

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FollowupID: 799254

Follow Up By: Wheelie's Troopie - Saturday, Oct 05, 2013 at 19:14

Saturday, Oct 05, 2013 at 19:14
As said I have the Polyair Bellows which you can take up to 100 PSI.
You can also get the Polyair Red Series which I presume you have.
FollowupID: 799256

Follow Up By: Grumblebum and the Dragon - Saturday, Oct 05, 2013 at 19:16

Saturday, Oct 05, 2013 at 19:16
Mine are the same - about 25 psi max. I run them at 15 psi towing a fully loaded Bushtracker on the back tracks, but have aftermarket suspension fitted as well. Always performed well

FollowupID: 799257

Follow Up By: 98TAJ - Saturday, Oct 05, 2013 at 20:24

Saturday, Oct 05, 2013 at 20:24
Just check your coil mounts as I have had the poly air in my GU patrol and have since found the common fault of the top coil spring mounts breaking off the Chassis, this unfortunately caused the crushing of the fuel and brake lines that run over this driver side mount. Gibb river road and a heavy load would have caused this I suspect.
Can guarantee that the prevention is better then the cure, check out superior suspension for re-enforcement kits.
FollowupID: 799261

Follow Up By: Batt's - Sunday, Oct 06, 2013 at 10:58

Sunday, Oct 06, 2013 at 10:58
It' a common GQ & GU Patrol problem is can also happen with just heavy duty coils fitted without air bags.
FollowupID: 799282

Reply By: Dust-Devil - Sunday, Oct 06, 2013 at 11:55

Sunday, Oct 06, 2013 at 11:55

I've had Poly Air Bellows in a '3t+' 1997 Troopy for 13 years and they have been sensational.

Over that period of time I have managed to compress them so hard that they wrapped up and around the top mounting plate, bending the plate and mounting bracket, but not rupturing the bellows themselves. They kept operating in this fashion for a long time before I replaced the subject top mounting plates and brackets.

They are one tough mother piece of equipment.

You are correct that the minimum pressure is 50psi and the maximum is 100psi. The aforementioned lower pressures are for the internal spring type Poly Airs, or the persons making the comments have not read the instructions or placard that come with the free standing bellow type units

Enjoy your Poly Air Bellows


AnswerID: 519258

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