shades
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 posted on 29/8/07 at 12:24 PM |
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Type 9 speedo sender
My speedo's not working... I have a type 9 gearbox and using the cable drive to a tiger speedo. I have disconnected the cable from the speedo
and gone for a spin. The problem is that the cable is not turning, I have checked that it is still connected at the gearbox end and it is.
Any suggestions? I dont fancy having to take the gearbox out :-(
Thanks
Adrian
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worX
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| posted on 29/8/07 at 12:30 PM |
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Just get a new speedo cable, it is held in by a circlip.
It may be worn down or broken?
Steve
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shades
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| posted on 29/8/07 at 12:42 PM |
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Its a new speedo cable I have. The gearbox is an unknown quantity. All I have done is pushed the cable into the box and fitted the clip to hold in
place...
Thanks
Adrian
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jollygreengiant
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| posted on 29/8/07 at 02:33 PM |
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Did you fit it gearbox end first and then try rotating speedo end inner to see if it is engaged.????
If this is so and the inner cable turns then either the cable has broken OR the internal driver gear is missing or (most unusually) broken.
Is there a metal cap on the opposite side to where the cable clips in.
If no metal cap then is there a driver gear inside. If no then get new driver gear AND metal closing cap (you will find that there are I believe 3
different colours reflecting the three different ratio possibilities, White, Blue and I think red or green, come to that there might be 4)
Hope this helps.
[Edited on 29/8/07 by jollygreengiant]
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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shades
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| posted on 29/8/07 at 03:38 PM |
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Thanks, The speedo end of the cable wont turn with my fingers so think it must be engaged into something...
I'm not sure what i am looking for in terms of a driver gear. I had fitted the gearbox before I remembered the cable so had a bit of fun trying
to get the cable and clip in place.
"Is there a metal cap on the opposite side to where the cable clips in" do you mean the opposite side of the gear box? Sorry Im
confused...
Thanks
Adrian
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jollygreengiant
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| posted on 29/8/07 at 05:32 PM |
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quote:
Originally posted by shades
Thanks, The speedo end of the cable wont turn with my fingers so think it must be engaged into something...
I'm not sure what i am looking for in terms of a driver gear. I had fitted the gearbox before I remembered the cable so had a bit of fun trying
to get the cable and clip in place.
"Is there a metal cap on the opposite side to where the cable clips in" do you mean the opposite side of the gear box? Sorry Im
confused...
If the cable won't turn then either it is seized OR it is engaged in the driven gear. To check, with speedo end of cable disconnected and
visible start car and drive for a short distance and check the cable rotates. If it rotates then the problem is at the speedo.
If it doesn't rotate then you can or should be able to pull inner cable out of outer cable from speedo end. If you can not pull it out then you
will need to remove the cable from the gearbox. The good news is that it is possible that when you fitted the cable , you got the inner cable
trapped between the driver and the outer casing. Hopefully it will be ok and you should be able to re use it. First of all with the cable disconnected
pull the inner cable from the outer at the speedo end. Refit just the outer to the gearbox. Then fit the inner cable back into the outer until it
locks into the driver in the gearbox. Test rotation by short drive then refit to speedo. and you should have a working speedo.
If inner cable is damage or seized in outer case then you will need another new cable. Fit new cable as above, it takes a bit longer but is a much
more certain method.
The metal cap is on the gear box but on the direct opposite side to where the cable clips in. It is about an inch/25mm in diameter and it hold the
driven/driver gear into the box.
Hope this helps.
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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mad4x4
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| posted on 29/8/07 at 06:00 PM |
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Dump the cable sender unit and go for a magnet pickup off of the prop or one of the half shaft.
I failed my sva due to a crap speedo (plus a few other things)
Scot's do it better in Kilts.
MK INDY's Don't Self Centre Regardless of MK Setting !
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shades
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| posted on 30/8/07 at 01:38 PM |
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Thanks guys,
Great advice on the cable, will try later and let you know. I have the speedo already so will keep trying with the cable rather than moving to an
electronic one...
Thanks
Adrian
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shades
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| posted on 30/8/07 at 03:41 PM |
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Yea, speedo working now 
Thanks again...
Thanks
Adrian
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thefreak
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| posted on 10/9/07 at 11:35 PM |
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quote:
Originally posted by mad4x4
Dump the cable sender unit and go for a magnet pickup off of the prop or one of the half shaft.
I failed my sva due to a crap speedo (plus a few other things)
how difficult is it to move to a magnetic pickup from the cable sender?
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