QUOTE (Exhausted @ Nov 2 2012, 08:24 PM)
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Here is an excerpt from the Vosa testers manual.Section 2.7. regarding shock absorbers. It's all here if you want confirmation.
http://www.transportoffice.gov.uk/crt/doit...lsandguides.htmAt each corner of the vehicle, where practicable, push down (or pull down from beneath) and note the rebound of the body to determine if each shock absorber is producing a damping effect on the suspension.Reason for rejection
A shock absorber which has negligible damping effect.If your 'buddy' thought the test station was in error, then he should have reported it. For my money, if the tester couldn't push down the suspension he was correct to fail but the second garage should at least have passed and advised.
Are you sure that this isn't an urban myth and your buddy may have been feeding you duff stuff so that he could boast about his modifed and possibly dangerous Saxo.
By the way, just out of interest, what was the actual wording on the failure certificate.
I'm aware of the guide lines. And no, dampers which are leaky or have no rebound damping (eg all of the hydraulic oil has leaked out and the damper no longer supports the weight of the car) that has failed.
It was 8 months ago when my friends car was put forward for the MOT - I do not have the actual wording I'm afraid.. Nor does he live "local" so I'm not about to drive 280 miles to his house and ask him -
His car has some uprated suspension with what's known as a HLS (hydraulic lift system) on some custom valved dampers with custom springs, which means you can press a button to raise the nose for speedbumps. His car rolls quite low and to avoid bottoming out completely he has upped his damping (the custom valving) and changed the springs on it to those with a spring rate of something like 19kg/inch. Which if you do your research is very hard! (infact so hard that you can't move it by pressing down on the cars wings and is actually too hard for even young me!).
The MOT test centre in question (no I don't know the name) probably didn''t understand the concept of this (probably works on Saxo's all day!) and failed him. He went to a main dealer and they passed it the next day without question..
And please, stop with the whole "Citroen Saxo" crap and making assumptions. As we know it just makes you look like an ***. I don't wish to brag or have to bother facing more questions because you don't believe me, but let's just say his car costs £52,000 brand new. (his is a 2008 model). I just thought I would say that sometimes MOT testers don't always get it right