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A little follow up:
So after a little more than 1 year and (guessing) ~800 miles in my deuce, I pulled out the stock speedometer adapter to put in a 1:200 ratio adapter.
Immediately it can be noticed that gear oil was fouling the grease in the speedometer adapter - this means that the replacement seal failed.![Sad :sad: :sad:](https://www.steelsoldiers.com/images/smilies/icon_sad.gif)
![IMG_0153.jpg IMG_0153.jpg](https://www.steelsoldiers.com/data/attachments/401/401520-7cc31d2649dcc65ebaedfb7d60ab5533.jpg)
Upon closer inspection I was able to determine the culprit:
The inner spring on the new Viton seal had partially come out. The spring also wore a groove into the spindle of the shaft that goes into the transfer case.
![IMG_0158.jpg IMG_0158.jpg](https://www.steelsoldiers.com/data/attachments/401/401525-04127501a5b9ad96cda6be2769f69705.jpg)
Attempting to avoid repeating this again I put in a new, exact same Viton seal (thanks to bonedoc!), but this time I put it in the opposite direction. I'm not sure if this is correct or not but the previous orientation already proved problematic. My hopes here is that the spring won't come out again as it'll be against the, relatively, flat surface face of the inside of the speedometer adapter.
But I worry that the worn groove in the shaft will find a lip of the seal and still allow gear oil through, but I'm hoping for the best as the oil seal is double lipped.
![IMG_0161.jpg IMG_0161.jpg](https://www.steelsoldiers.com/data/attachments/401/401526-911662d8554b421a51f2f19beab5f20e.jpg)
Here's a comparison of the stock 1:187 adapter on the left and the 1:200 adapter on the right. As can be seen, the speedometer cable threaded adapter wasn't needed, but I did have to reuse the shaft assembly that threads into the transfer case.
![IMG_0156.jpg IMG_0156.jpg](https://www.steelsoldiers.com/data/attachments/401/401529-2619d77c10f1842a5245580f335fe8cc.jpg)
So after a little more than 1 year and (guessing) ~800 miles in my deuce, I pulled out the stock speedometer adapter to put in a 1:200 ratio adapter.
Immediately it can be noticed that gear oil was fouling the grease in the speedometer adapter - this means that the replacement seal failed.
![Sad :sad: :sad:](https://www.steelsoldiers.com/images/smilies/icon_sad.gif)
![IMG_0150.jpg IMG_0150.jpg](https://www.steelsoldiers.com/data/attachments/401/401521-815d354fa810c8e1c7eb7a0cbb4e3809.jpg)
![IMG_0153.jpg IMG_0153.jpg](https://www.steelsoldiers.com/data/attachments/401/401520-7cc31d2649dcc65ebaedfb7d60ab5533.jpg)
Upon closer inspection I was able to determine the culprit:
The inner spring on the new Viton seal had partially come out. The spring also wore a groove into the spindle of the shaft that goes into the transfer case.
![IMG_0151.jpg IMG_0151.jpg](https://www.steelsoldiers.com/data/attachments/401/401522-9213c03e359af51a31f0cfce0db6484b.jpg)
![IMG_0151_1.JPG IMG_0151_1.JPG](https://www.steelsoldiers.com/data/attachments/401/401523-90bf410787457dd81b9e25b290361978.jpg)
![IMG_0157.jpg IMG_0157.jpg](https://www.steelsoldiers.com/data/attachments/401/401524-f0d09e9bf9294040c5919d38cdcd3f36.jpg)
![IMG_0158.jpg IMG_0158.jpg](https://www.steelsoldiers.com/data/attachments/401/401525-04127501a5b9ad96cda6be2769f69705.jpg)
Attempting to avoid repeating this again I put in a new, exact same Viton seal (thanks to bonedoc!), but this time I put it in the opposite direction. I'm not sure if this is correct or not but the previous orientation already proved problematic. My hopes here is that the spring won't come out again as it'll be against the, relatively, flat surface face of the inside of the speedometer adapter.
But I worry that the worn groove in the shaft will find a lip of the seal and still allow gear oil through, but I'm hoping for the best as the oil seal is double lipped.
![IMG_0161.jpg IMG_0161.jpg](https://www.steelsoldiers.com/data/attachments/401/401526-911662d8554b421a51f2f19beab5f20e.jpg)
Here's a comparison of the stock 1:187 adapter on the left and the 1:200 adapter on the right. As can be seen, the speedometer cable threaded adapter wasn't needed, but I did have to reuse the shaft assembly that threads into the transfer case.
![IMG_0154.jpg IMG_0154.jpg](https://www.steelsoldiers.com/data/attachments/401/401527-ff53ef3a0c5d74357a5081bc63f78f8c.jpg)
![IMG_0155.jpg IMG_0155.jpg](https://www.steelsoldiers.com/data/attachments/401/401528-4e724735f141cea156026e90bb047cc6.jpg)
![IMG_0156.jpg IMG_0156.jpg](https://www.steelsoldiers.com/data/attachments/401/401529-2619d77c10f1842a5245580f335fe8cc.jpg)
Last edited: