 Speedo angle drive, do they go bad? |
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| SirAndy |
  May 12 2014, 09:51 PM
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#1
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Resident German  Group: Admin Posts: 41,688 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California  |
After replacing my broken speedo cable (torn in half) my speedo still wasn't working.
So i disconnected it at the angle drive and used a drill to drive the cable and the speedo worked just fine. I then tried to turn the angle drive spade by hand and i was able to turn it while it was making a crunchy sounds. I don't think i'm supposed to be able to turn this by hand. Anyone know for sure? (IMG:style_emoticons/default/idea.gif) PS: Can i replace this with the oil in the transmission? What if i get the car at an steep angle, would it still leak? |
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Replies(1 - 12)
| Bob L. |
May 12 2014, 09:55 PM
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#2
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Senior Member Group: Members Posts: 848 Joined: 7-August 11 From: Austin TX Member No.: 13,411 Region Association: Southwest Region |
There's an inner drive and then the outer "angle drive" My angle drive went bad and I replaced it. No fluid worries. Fine now. Probably your problem.
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| Jeffs9146 |
May 12 2014, 10:11 PM
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#3
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Ski Bum Group: Members Posts: 4,062 Joined: 10-January 03 From: Discovery Bay, Ca Member No.: 128 |
I have had one go bad...many years ago!
As long as you put the new one in quick you should be fine! Yes some fluid will come out if you are parked at an angle and let it sit that way for a day, if you do it quickly it is not a problem! |
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| bdstone914 |
May 12 2014, 10:17 PM
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#4
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bdstone914 Group: Members Posts: 4,542 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
If you need a good used one I have one for you at no charge.
Bruce |
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| McMark |
May 12 2014, 10:20 PM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
It's dead. I'll replace it at WCR. (IMG:style_emoticons/default/wink.gif)
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| Bob L. |
May 12 2014, 10:25 PM
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#6
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Senior Member Group: Members Posts: 848 Joined: 7-August 11 From: Austin TX Member No.: 13,411 Region Association: Southwest Region |
QUOTE(Jeffs9146 @ May 12 2014, 11:11 PM)  I have had one go bad...many years ago! As long as you put the new one in quick you should be fine! Yes some fluid will come out if you are parked at an angle and let it sit that way for a day, if you do it quickly it is not a problem! The inner drive will leak if removed or if the seal goes bad. McMark has modified them to seal better. You can remove the angle drive without a leak. At least mine didn't. |
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| SirAndy |
May 12 2014, 11:33 PM
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#7
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Resident German Group: Admin Posts: 41,688 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Thanks everyone, that's what i thought. It's toast ...
QUOTE(McMark @ May 12 2014, 09:20 PM) It's dead. I'll replace it at WCR. (IMG:style_emoticons/default/wink.gif) (IMG:style_emoticons/default/smilie_pokal.gif) |
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| balljoint |
May 13 2014, 04:50 AM
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#8
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914 Wizard Group: Members Posts: 10,000 Joined: 6-April 04 Member No.: 1,897 Region Association: None |
I saw an angle that had been drilled clean through by the gears grinding over what was probably a long period of time.
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| Red-Beard |
May 16 2014, 02:14 PM
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#9
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"Ya canna change the laws of Physics" Group: Benefactors Posts: 1,124 Joined: 11-February 03 From: Houston, TX Member No.: 288 Region Association: None  |
Make sure that the inner pinion is still in good shape. And the 914 and 914-6 units are different.
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| bcsellie |
Jun 8 2020, 06:12 PM
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#10
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Seattle Group: Members Posts: 39 Joined: 17-August 14 From: Seattle Member No.: 17,786 Region Association: Pacific Northwest |
Hey, Blaine again.
Do you still have a good/working speedo angle drive? BTW, thanks for the trigger points... QUOTE(bdstone914 @ May 12 2014, 09:17 PM) If you need a good used one I have one for you at no charge. Bruce |
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| Matty900 |
Jun 8 2020, 07:11 PM
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#11
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Senior Member Group: Members Posts: 1,269 Joined: 21-February 15 From: Oregon Member No.: 18,454 Region Association: Pacific Northwest |
Ian just did an awesome video on McMark's improved speedo angle drive.
https://youtu.be/mfxcpw0YOsc (IMG:style_emoticons/default/beerchug.gif) |
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| porschetub |
Jun 8 2020, 11:17 PM
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#12
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Advanced Member Group: Members Posts: 4,707 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Red-Beard @ May 17 2014, 08:14 AM) Make sure that the inner pinion is still in good shape. And the 914 and 914-6 units are different. Andy's car is a conversion from memory. |
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| Mikey914 |
Jun 8 2020, 11:22 PM
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#13
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The rubber man Group: Members Posts: 12,679 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None 
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@matty900 The reference was the "angle" drive and yes they can fail.
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