Spring sag

Submitted: Saturday, Feb 02, 2002 at 01:00
ThreadID: 709 Views:1521 Replies:4 FollowUps:3
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My Jackaroo is loaded with 200 to 350 kg. of equipment as it is used for service work. Rather than unload it each night I have taken to jacking it up 150mm under the centre strut as the previous Jack. rear sagged over 3 years. The ride and height have improved but could I be causing any long term damage? Any thoughts welcome.
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Reply By: Mike - Monday, Feb 04, 2002 at 01:00

Monday, Feb 04, 2002 at 01:00
Steven, the fact that you vehicle is sagging should tell you that you are overloading it in it's present form. Do yourself a favour and replace the springs with H/D units. Not only will you carry the load more easily, but your vehicle will also be a lot safer! Another thing that tranformed our Jackaroo was 'No Bull Susension Supports.' These rubber blocks help as over-ride springs and also improve the handling immensly. Happy trails, Mike.
AnswerID: 1952

Follow Up By: Steven P. - Tuesday, Feb 05, 2002 at 01:00

Tuesday, Feb 05, 2002 at 01:00
Thanks Mike, whose HD suspension would you recomend and where can I find info on "No Bull" on the www.? Safe returns Steve
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Reply By: Mark - Tuesday, Feb 05, 2002 at 01:00

Tuesday, Feb 05, 2002 at 01:00
Hi Steven. I have a rodeo with a similar problem. My ute is a single cab and after I bought it and loaded it with a few tools, it sagged. I looked at Pedders reseting the rear springs, then asked my Holden dealer if it would void the warranty. As it turns out saggy springs in Rodeos are a fault that Holden are aware of, so they had them reset under warranty! (I bet they don't want that to be common knowledge). However that is fine with my normal laod of tools and gear, but as soon as I put anything extra on, it sags again. When I took it back to Holden they said that I was overloading it, but I put it on a weighbridge and was actually 400kg less than the GVM. It seems strange that the car is given a GVM that it is not capable of handling. Anyway, I went down to Pedders and they offered two solutions. 1. is a Load Ryder which is a horizontal coli spring which only comes into effect when the extra weight flattens your leaf springs.2. is airbags, which you pump up at the servo with the air hose. This way the more pressure you put in, the stiffer your suspension is. I haven't actually put any of these on. I suspect but don't actually know for sure, that the load ryder may affect the spring action when off roading. So I'll either go for another reset($0 under warranty) or airbags (approx $400). Hope this gives you a few options!
Cheers.
AnswerID: 1959

Follow Up By: Steven P. - Thursday, Feb 07, 2002 at 01:00

Thursday, Feb 07, 2002 at 01:00
Mark, thanks for the advice. My springs have not sagged, its just that I noticed my new Jac. was higher in the rear when parked next to the old one(both unloaded) so I thought taking the weight off the springs each night might make a difference, its certainly feels better on the road now and is 15mm. higher than it used to be at the end of the day. Cheers
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FollowupID: 698

Reply By: Mike - Tuesday, Feb 05, 2002 at 01:00

Tuesday, Feb 05, 2002 at 01:00
Steven, I had ARB springs fitted to the rear and the torsion bars reset to give about 20mm lift. At the same time I fitted OME shocks. Empty there is little difference in the ride, although it is a little firmer. the 'No Bulls' can be found at 'www.heslipcampers.com' under accessories. The difference they made to our Jack's handling was amazing and you don't have to adjust them or worry about them puncturing. Happy trails, Mike.
AnswerID: 1962

Reply By: Mike - Tuesday, Feb 05, 2002 at 01:00

Tuesday, Feb 05, 2002 at 01:00
Steven, I had ARB springs fitted to the rear and the torsion bars reset to give about 20mm lift. At the same time I fitted OME shocks. Empty there is little difference in the ride, although it is a little firmer. the 'No Bulls' can be found at 'www.heaslipcampers.com' under accessories. The difference they made to our Jack's handling was amazing and you don't have to adjust them or worry about them puncturing. Happy trails, Mike.
AnswerID: 1963

Follow Up By: Mike - Tuesday, Feb 05, 2002 at 01:00

Tuesday, Feb 05, 2002 at 01:00
Sorry about the double up, the second spelling of Heaslip is the correct one, Mike.
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FollowupID: 673

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