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Non Functional Speedometer


Mike C

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Speedometer dosen't work. Put a drill on the transmission end. Speedometer had movement,  indicating that the cable was ok. Checked the Speedometer end of cable with the wheels moving. Cable was not spinning   indicating problem in the transmission.  Removed the cover and the worm gear on the shaft appeared not to be  centered , I was able to move it a bit with my finger but did not want to force it..

Question is should the worm gear be in the cente of the hole?

😊 Thanks in advance for any help. 

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The tail shaft should come off by taking the four bolts out of it and slide off the rear of the tranny. At least that is how my 700r4 is, A lot easier than I ever thought it would be

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  • 3 weeks later...

Thanks for the info. The clip for a TH400 is a little bit different than the one for a TH350 transmission.  The mounting slot in the drive gear itself is also different.  I'm waiting for a call back from the local transmission repair shop in case they have one. 

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Screenshot_20230117-145039_Amazon Shopping.jpg

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20230119_153436.thumb.jpg.186820899704d4fdf3920006c51e4569.jpg

On 1/17/2023 at 2:56 PM, Mike C said:

Thanks for the info. The clip for a TH400 is a little bit different than the one for a TH350 transmission.  The mounting slot in the drive gear itself is also different.  I'm waiting for a call back from the local transmission repair shop in case they have one. 

Screenshot_20230117-144909_Samsung Internet.jpg

Screenshot_20230117-145039_Amazon Shopping.jpg

Found the clip. Talked to a guy that knew a guy that knew a guy.

Turns out he builds high performance engines/transmissions.

Thanks everyone ☺ 

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3 hours ago, Mike C said:

20230119_153436.thumb.jpg.186820899704d4fdf3920006c51e4569.jpg

Found the clip. Talked to a guy that knew a guy that knew a guy.

Turns out he builds high performance engines/transmissions.

Thanks everyone ☺ 

I think I know the same guy. Some guy told me about him. 

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