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How do you lubricate your 924 speedo cable

 
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ted von Kampen  



Joined: 14 Oct 2016
Posts: 90
Location: Scottsbluff, Nebraska

PostPosted: Thu Sep 06, 2018 3:51 pm    Post subject: How do you lubricate your 924 speedo cable Reply with quote

My 1981 Porsche 924 has finally hit the road after 17 years of not moving. I drove it down the street today. I have done lots of work over the last 2 years on the car. I have no idea if it worked before. However when I drove it today for the first time, the speedo cable made lots of noise in the cable sheath and the needle bounced a lot but did generally work. While I had the left front wheel and brakes apart I recall seeing the cable and the attach points. Also when I had the dash apart the speedo was disconnected for about a year.

My questions are:
Does the speedo cable come out from the wheel end of the cable or the dash end? I realize the "C" clip must be removed.

Is there any good way to lubricate the cable from the wheel end so I don't have to pull the speedo from the dash. It was a pain to reinstall so not wanting to do that again.

I also will try repositioning the cable route, however after sitting so long I suspect the cable has dried out or the lube has hardened.

I searched the forum for this topic but found nothing specific to my question.
Any help would be appreciated. ...Ted
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1582
Location: Somerset, UK

PostPosted: Thu Sep 06, 2018 10:46 pm    Post subject: Reply with quote

Cable cannot be removed from outer. If its making some noise and bouncing the needle, its probably close to snapping already. 20 gets a new one. Drizzle in some sticky bike chain oil in over a day or two. I've snapped 3 cables in 9yrs!!!
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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ted von Kampen  



Joined: 14 Oct 2016
Posts: 90
Location: Scottsbluff, Nebraska

PostPosted: Fri Sep 07, 2018 2:03 am    Post subject: Speedo cable Reply with quote

Thanks for the info. I was afraid that I had to do it from the dash side. Fun, Fun. I did drive it a few miles this morning and it is getting better. At about 40MPH it does settle down a bit.
Ted
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daniel  



Joined: 18 Jun 2009
Posts: 613
Location: Sydney, Australia

PostPosted: Mon Sep 10, 2018 11:53 am    Post subject: Reply with quote

Hi
I work on speedo's and speedo cables for a living.
Only ever use wheel bearing grease, using anything thinner will work its way into the speedo and inhabit the very small space between the speedo's magnet and drag cup. Even 'thick' oil will thin out when it gets hot and still climb up the cable as it spins.
_________________
Over the top of skyline, total brake failure.... hit the wall at over 200 kp/h at the dipper, so anyone who has to brake for the esses is a pussy.
1977.5 Race Car, CAMS Group S Spec
1989 944 Cabriolet
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ted von Kampen  



Joined: 14 Oct 2016
Posts: 90
Location: Scottsbluff, Nebraska

PostPosted: Mon Sep 10, 2018 3:15 pm    Post subject: Speedo cable grease Reply with quote

Thanks for the information. I have used chassis lube before except in the winter it gets very stiff until it warms up.
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mikeycrum14  



Joined: 19 Jan 2017
Posts: 113
Location: Juneau, Wisconsin

PostPosted: Fri Oct 12, 2018 3:49 am    Post subject: Reply with quote

Honestly ATF works super great. I used it in mine before I sold it and had 3k miles of smooth nearly-bounce less speedo use.
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1981 924 - Alpine White
First car!
Fresh tune up, stage 3 racing clutch, stock otherwise, 5 speed trans. - SOLD
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