Airbag suspension

Submitted: Monday, Sep 18, 2006 at 21:13
ThreadID: 37823 Views:14384 Replies:7 FollowUps:5
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My rear leaf springs have sagged. With air bag rear suspension this is not really a problem, however am concerned about relying on them long term to compensate for worn springs.Apart from the obvious slight risk of a punctured air bag is there any problem in depending on air suspension as a substitute for tired springs?
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Reply By: Member - Ian S (NT) - Monday, Sep 18, 2006 at 21:30

Monday, Sep 18, 2006 at 21:30
Hi Tony,

the best solution I have seen out here is inserting a coil where the airbag would be. A mob called Fred's Springs (or Coils) do the adaption and it really looks the part with original sagged springs brought back to life.

My experience with air bags recently on the Madigan was that I ripped and broke the top mounting brackets off in under 500 ks. Next time I will go with the coil adaption.
IMHO
Cheers
Ian@Mt Dare
AnswerID: 195178

Follow Up By: Member - Tony C (VIC) - Tuesday, Sep 19, 2006 at 22:23

Tuesday, Sep 19, 2006 at 22:23
Ian,
I just wondered what type of air bag suspension you had trouble with.I am planning a trip next year that will involve a lot of corrugations so am concerned how prsent air bags will handle them.Have had ride rite air bag man ones on for around 80000k without any problems so far.Use so far has been carrying fairly heavy loads on farm but not involving a lot of corrugations.
Cheers.
Tony
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Reply By: Richard Kovac - Monday, Sep 18, 2006 at 21:35

Monday, Sep 18, 2006 at 21:35
Hi Tony
no problems at all 80000 km's on them

puncturing a bag would be like breaking a spring (not likely)

and if you damage a bag you can drive home on the spring, break a spring and it's a log of wood

Richard
AnswerID: 195180

Follow Up By: Member - Bucky (VIC) - Wednesday, Sep 20, 2006 at 08:12

Wednesday, Sep 20, 2006 at 08:12
I agree, my 2003 3.0 lt TD Navara was on the bump stops last year when I went across the Simpson, with 650 kg's loaded.
This year I fitted Poly Air Bags, and went to Innaminka Birdsville, Boulia and across the plenty to The East McDonald Ranges, Then back down the old Ghan Herritage Trail, to The Flinders rangers and home to Sth Gippsland.

Now that equates to 6500 kms, of some of the worst roads about, and my Airbags held firm, 15 - 18 psi in them, and they only cost $320, as I fitted them myself.

Well worth it, and believe it or not, they actually soften the ride a little, when empty.
I will use them on my next vehicle too

Cheers Mate
Bucky
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FollowupID: 453540

Reply By: Member - Doug T (W.A) - Monday, Sep 18, 2006 at 21:48

Monday, Sep 18, 2006 at 21:48
Tony
I would call adding air bags to worn out springs covering the problem with a Band-aidThe best solution as far I am concerned is to replace the leaf springs with a set of new OME s, They are not cheap but hell do they work ,I have them on all corners of my Troopie and mate they are unreal,there is just NO need for any air bags what so ever, I sit my 20ft Caravan on the tow bar and drops the rear about 20mm , when empty the right is firm and very predictable but not what some would say rough , after all it's not a sedan car , but when the going gets tough the vehicle is a pleasure to drive , Now I know there will be some that will say get this or get that or some other brand but after 3 years the springs have not altered a bit , Go to ARB and make some enquiries , If you have the dollars I feel sure you won't regret it, Just on ending for the cost of the silly bags probably would be near on 1/2 the cost of a rear set of OMEs , I would stand correcting on that ,just a guess but i know what my springs cost me ,
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AnswerID: 195185

Follow Up By: oldbaz - Tuesday, Sep 19, 2006 at 11:44

Tuesday, Sep 19, 2006 at 11:44
I agree with Doug, after holing 2 Polyair bags in 3 months I gave them up & replaced the springs with heavier duty ones (hilux) While I do not doubt the effectiveness of OME or TJM products. I suggest you price relacements from
dedicated spring manufacturers as well, you may be surprised.
If your airbags fail you are right back with a saggy rear end in an instant, this may not be a risk worth taking depending on your location. My new springs cost less than the polyair bags fitted, but even with fitting added to the springs I consider I have a much more enduring solution. The springs have not dropped a mm in 4 years, & that is on extreme off road use with a payload of 1.5 tonnes.
Regards..Baz.
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FollowupID: 453360

Follow Up By: mattie - Tuesday, Sep 19, 2006 at 19:09

Tuesday, Sep 19, 2006 at 19:09
are u talking about polyair bags or the air bag type suspension that trucks use.

mattie
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Follow Up By: oldbaz - Wednesday, Sep 20, 2006 at 09:56

Wednesday, Sep 20, 2006 at 09:56
Mattie, I refer to the brand Polyair, those little red bags that sit inside a coil spring
bolted between the chassis & the leaf spring... Baz.
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Reply By: Member - Tony C (VIC) - Monday, Sep 18, 2006 at 22:02

Monday, Sep 18, 2006 at 22:02
Thanks Ian,Richard & Doug for the helpfull advice.
AnswerID: 195193

Reply By: geocacher (djcache) - Monday, Sep 18, 2006 at 22:23

Monday, Sep 18, 2006 at 22:23
Contact Carrolls Springs 1636 Sydney Rd Campbellfield 3061 (03) 9357 2633

You can get springs re-set. It's not necessarily a new set of springs that you need.

There are other spring works around in Brooklyn, Moorabin, Geelong and others if Carrols are not close handy but that's where most guys I know who've had spring work done have gone.

You didn't mention leaf or coils - I suppose I could see if you have rig pics loaded.

Dave
AnswerID: 195194

Reply By: mfewster - Tuesday, Sep 19, 2006 at 08:55

Tuesday, Sep 19, 2006 at 08:55
You might also look at the Aussie super springs- available from TJM, Put them on my toyo 60 series and they have transformed handling aqnd weight carrying ability. One of the best additions I have made to my truck.
AnswerID: 195244

Reply By: Member - Leigh (Vic) - Tuesday, Sep 19, 2006 at 23:19

Tuesday, Sep 19, 2006 at 23:19
Sorry guys but the Riderites are a great product and at under $400 do the job they were intended for...IMHO of course.
AnswerID: 195442

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