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Daily 65c front suspension collapsed; Daily 65c front torsion bar suspension collapse
Topic Started: Sep 5 2015, 03:53 PM (1,875 Views)
KENT RECOVERY
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I have a 2001 daily the other day there was a load bang i jumped out of my skin ...I thought a tyre exploded sitting still i got out looked around and the front corner was on the bump stops

I have a pit and have looked for any breaks in the torsion bar but i can't see anything

This looks a pain to change has anyone done one before and does anyone know where they fail ?....

Any help would be great before i start .....Thanks
Edited by KENT RECOVERY, Sep 5 2015, 03:54 PM.
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ivecofd
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There's info' in the wk shp ml.
Seems the splines break.
Edited by ivecofd, Sep 7 2015, 01:34 PM.
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KENT RECOVERY
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I started stripping it out and found it had snapped just as it goes into the holder at the rear side ...looks like just a new bar is needed

Thanks for your help thou
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ivecofd
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35C12 2005 MWB DRW 3rd gen’ crew cab tipper F1AE04 85.3 kw 2.3 cc 16v EDC 16.

Further down the list of things there is more info' re torsion bars.
They refer to Axle 5819 vehicles 35c, 40c, 45c, 50c and Axle 5823 vehicles 60c,65c.
There's refitting and tightening torques. There's torsion bar pre-load which is dependant on a given height, the weight on the wheel/suspension, type of tyre.
With 1200kg on the front wheels and 195/75 R 16 tyres the height is 610 mm. The height is measured from the ground to ( the English isn't good) side frame upper thread as near as possible the suspension connecting area.
Adjustment is made at the back of the torsion bar when the wheel is off the ground. So it seems it all has to be put in such a way that it can be preloaded.

Check that the pre-tension screw isn't loose on yours or that the torsion bar has not just slipped past the screw. The screw referred to is the one that points outwards/to the side of the vehicle. There is the torsion bar in two frames which are fixed to the chassis, in the frames is a bolt ( two nuts on it each side of the frames) which runs parallel to the torsion bar the adjusting screw goes into/through that bolt, on the adjusting screw is a locknut.

See attachment. This is for Axle 5819.

There are several info' tables and images but it'll take a while to make them small enough to be attached. Let me know if you want the info' attached.

Edit; I just noticed you have 65C. The info' and image is slightly different for pre load. Load on front wheels 1400kg tyre 225/75 R 16
672mm for the height.
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Attachments: Torsion_bar_pre_load_ps_sfw.jpg (31.75 KB)
Edited by ivecofd, Sep 12 2015, 09:48 PM.
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