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23-06-17, 09:11 PM | #1 | |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Another Odemeter thread with a twist
Me again. Been driving 80 B2 to and from work the odometer is not working.
Found this in the instrument cluster on the speedo side of the binnacle today Come of this I assume from somewhere in here? 2 Questions I am hoping someone can answer How do I get it apart to find out where the cog came from? Where can I obtain a new cog from? |
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24-06-17, 07:00 AM | #2 |
Grown up member
Classic Audi Club Member
Join Date: Feb 2013
Location: Sometimes Roberttown - sometimes Surrey
Posts: 194
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No need to take apart.
The cog should be on the shaft that sticks out on the LHS - It meshes perpendicular with the worm drive ( the white /cream coloured shaft) If you are VERY careful you could stick the gear back together with some quick setting plastic weld - I would advise against superglue as it sets too hard and will probably cause more damage than it repairs - however, if I were you I would get a unit from a scrapper and replace just the broken bit on yours. ISTR that the cog is secured with some sort of epoxy on the shaft - may need to GENTLY warm it up to get it off. Mark |
24-06-17, 12:37 PM | #3 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Thanks Mark
That makes sense now. Any recomendations for the plastic weld.... Cheers Ewan |
24-06-17, 01:04 PM | #4 |
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Join Date: Oct 2010
Location: Vesterlyng/Föllenslev, Denmark
Posts: 563
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24-06-17, 01:22 PM | #5 |
4 ring whore!
Classic Audi Club Member
Join Date: Jan 2010
Location: Where a spike points skywards
Posts: 12,960
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25-06-17, 08:39 AM | #6 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Fantastic Photo Soren. Is that standard or a repair? What is the circlip doing? - Thats what its doing http://forums.vwvortex.com/showthrea...roken-odometer
Just found this Blog on a late 70's Passat - http://ost-blog.passat32.de/2014/04/...ag-mich-nicht/ Looks the same as mine. Last edited by billy_bunter; 25-06-17 at 08:21 PM. |
25-06-17, 01:47 PM | #7 | |
Grown up member
Classic Audi Club Member
Join Date: Feb 2013
Location: Sometimes Roberttown - sometimes Surrey
Posts: 194
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Quote:
https://www.amazon.co.uk/d/Outlet/Ta...ent/B0053WXLVU That's a good fix with the circlip that SorenR found though!! |
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09-08-17, 09:15 PM | #8 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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As always takes longer than you hoped. I tried a repair using the plastic weld abut it would not take. Even got a washer made at work and tried to use an epoxy whilst in a vice. This did not work as the cog would not grip the rod. I could have glued this to the rod but decided to source a new cog
I ordered a new cog from a bloke in Germany pretty sure he gets them from America. American site - http://www.mediafire.com/file/2hr265...6x/cc.bt.b.zip Euro site - http://speedometercogs-gears.com/aud...eedometer.html Part arrived and I fitted it the other week. Finally got it into the car on Monday night. Note the blob of epoxy to make sure it stays on. and working :-) |
09-08-17, 09:18 PM | #9 |
Grown up member
Classic Audi Club Member
Join Date: Oct 2010
Posts: 137
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Now to get a rev counter into the dash. Anyone got a 4 pot instrument panel sat on the shelf they no longer need? Would be appreciated. I can then do carb setup at home.
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25-06-17, 09:00 AM | #10 |
Grown up member
Join Date: Oct 2010
Location: Vesterlyng/Föllenslev, Denmark
Posts: 563
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Found picture on internet. There is a guy in hungary (?) selling new cogs on ebay... 3D printed cogs...
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