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Speedo Ring Drive Gear Replacement FS5W71B ('79 ZX)


Orangetang

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After finding a break in my speedo cable about 9" from speedometer, I ordered up a new cable.

 

Just crawled under the car and buttoned everything up, yet the needle wouldn't move. I unscrewed the speedometer side of the cable and rotated the rear axle to confirm the cable was seated correctly in the pinion assembly. Nothing...

 

Crawled under car and removed speed cable, rotated rear axle and pinion was not turning, infact it is destroyed. Pulled assembly and the nylon pinion gear is chewed up and squished on one side, looks like the shaft it sits on may be bent, as I cannot actually turn it, and the gear is sitting off centre to the pinion housing.

 

The ring gear inside the transmission is also damaged...

 

Searching around online it looks like the part I'm after is a  32701-66005  OR 32701-E9800. I believe the E9800 is either an updated part or an updated part number  from what I've found online.

 

I happen to have an F4W71B and F4W71A hanging out in the garage. Is there any chance this might speedo ring drive gear could be the same part? I havn't been able to find a part number for either of those transmissions.

 

Also, since I've never pulled a trans apart before, is it possible to pull out pull just the rear housing off this one to pull a retaining spring, old gear and slide in the new one?

post-32168-0-26619200-1446424520_thumb.gif

Edited by Orangetang
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