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strange noise
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Author:  clubby123 [ Tue Apr 11, 2006 11:06 pm ]
Post subject:  strange noise

a strange noise was coming from behind my speedo a clicking sound, now speedo has stopped but it is still clicking, it has done this before so i got a new cable but that was only 2 months ago not even souldnt of happened again do you think i need a new speedo

clicking noise is really loud and annoying

Author:  gibovski [ Tue Apr 11, 2006 11:10 pm ]
Post subject: 

Check where the speedo cable goes into the back of the speedo. Sounds like the drive is slipping against the speedo drive. Maybe your speedo has huge resistance in it. Perhaps a new speedo will fix it.
you should be able to turn the gearbox end of the cable with your fingers without much resistance if it is otherwise a new speedo could be in order.

Author:  Circus_Maximus [ Wed Apr 12, 2006 1:31 am ]
Post subject: 

clubby,
Look at the back of the speedo where the cable screws in. There is a square hole where the inner cable fits into, if the mechanism jams or gets stiff due to old (or lack of) lubricant then it will round off the corners while making that noise. The square hole bit is only crappy aluminium and holds the rotating magnet, if it did not give then the inner cable itself would snap.
You will have to dismantle , clean and lubricate all the rotating bits. Having done this, if the square hole is so stuffed the cable can't get a grip, you can salvage the situation by removing the inner cable and threading it through a couple of very small washers so they end up under the bit of plastic bearing that locates at the top of the speedo cable.This will put the square drive a little further in the hole, hopefully where it hasn't been stuffed.

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