Birds calls in dash 75 series troopie
Submitted: Monday, Apr 03, 2006 at 16:10
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Black Stump
Hello,
I have what seems to be a tweety bird caught in my dash as there are a lot of chirping noises. I have searched the
forum archive for bird noises coming from dash and found that the speedo cable is the culprit! I had suspected the speedo cable - the noise comes and goes and the needle jumps around a bit.
But there was no sugestion as to how to fix it. Can you grease or oil the speedo cable to fix this problem? Or do you have to replace the cable with new? My '92 troopy has done 290 000k so I guess the cable needs some lube or is it just warn out!
On another note I went to
Dingo Tops NP and Doyles River
State Forest on the weekend (south of the oxley hwy and west of
Taree). Great
bush camping at Maxwell's Flat and plenty of 4wd tracks to explore, beautiful weather and had it all to ourselves!
Thanks for any tips with my problem.
Reply By: Mark T - Monday, Apr 03, 2006 at 17:53
Monday, Apr 03, 2006 at 17:53
As a former speedo repair technician, it sounds as though your speedo needs an overhaul.
What is hapening is that the speedo main shaft is dry and is binding. It will eventually break the speedo cable. If you feed graphite and or grease into the cable it will work its way up into the speedo head and stuff it completly.
Take your car to a reputable speedo tech and get it checked. They will dismantle the speedo and clean out all the crap, re grease the main shaft and recalibrate the unit when it is reassembled.
Don't play with it yourself as you'll kill the magnet and have a speedo that reads very, very slow if at all.
Cheers
Mark T
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Follow Up By: Member - David 0- Monday, Apr 03, 2006 at 18:54
Monday, Apr 03, 2006 at 18:54
I've never had graphite enter my speedo from the cable in 27 years, is this really possible?
You say don't grease, but get someone else to grease, I am curious as to the difference?
Not challenging your knowledge, just would like to know the details for future reference.
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Follow Up By: Richard Kovac - Monday, Apr 03, 2006 at 23:38
Monday, Apr 03, 2006 at 23:38
Funny really I though the speedo in a Troopy was electronic
Would be hard to get the "graphite" down the cable?
Richard
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Follow Up By: Member - David 0- Tuesday, Apr 04, 2006 at 08:01
Tuesday, Apr 04, 2006 at 08:01
can i try?
:-)
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Follow Up By: Mark T - Tuesday, Apr 04, 2006 at 08:23
Tuesday, Apr 04, 2006 at 08:23
While late model Troop Carriers might have electronic, earlier ones were mechanical.
Grease or oil in the speedo usually comes from a worn seal on the gearbox speedo drive gear. There is no seal on the speedo itself. Graphite powder is good to lube a cable and in fact we used to actually add a little grease to the lower third of the cable when we made a new complete inner and outer cable.
However, no grease is better than too much grease. I found that if you tell a person to lightly lube their speedo calbe.. then they used to over dose the system.
In fact one fitter and turner proudly shwed me a grease nipple he had fitted via an attachment to his speedo cable. He then connected his grease gun and kept pumping until he could see grease through his odometer window on the speedo dial.
While I have seen oil damage in a lot of japanse speeds.. Holdens were the worst offender, or at least we saw more of them than any other makes..
So in sumary, graphite is good in SMALL DOSES on the bottome third of the cable. Some of it will work its way up to the top.
Hope tis helps.
Cheers
MT
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