[DeTomaso] ZF input shaft seal

[Asa Jay Laughton]

Hi Mark,
The "lip" of the seal always goes toward the side with fluid. Assuming 
the fluid is inside the ZF case <wink> then the "face" of the seal 
should be to the outside, toward the engine.

The theory is, as the fluid heats up and the air heats up inside the ZF, 
it build a small amount of pressure. The pressure gets behind the lip of 
the seal and helps push it against the rotating shaft, thereby giving it 
a better "seal."

I hope that makes sense.
Asa  Jay

Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
Spokane County ARES-RACES-ACS EC/RO
******************************
http://w7tsc.org
http://www.teampanteraracing.com

On 1/20/2020 17:24, Mark Tumbarello wrote:
>     Hey guys and gals
>
>     What is the correct  orientation of the ZF input shaft seal face ?
>     Towards the trans? I can kinda make that out on the schematic , I
>     think.
>
>     The one just removed was seal face towards engine which leaked a
>     little. And I installed it 10 years ago, but can't remember why I
>     chose that.
>
>     Why can't I  find my ZF manual
>
>     Thanks,
>
>     Mark
>
>     Sent via the Samsung GALAXY S(R) 5, an AT&T 4G LTE smartphone
>
>
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-------------- next part --------------
   Hi Mark,
   The "lip" of the seal always goes toward the side with fluid.  Assuming
   the fluid is inside the ZF case <wink> then the "face" of the seal
   should be to the outside, toward the engine.
   The theory is, as the fluid heats up and the air heats up inside the
   ZF, it build a small amount of pressure. The pressure gets behind the
   lip of the seal and helps push it against the rotating shaft, thereby
   giving it a better "seal."
   I hope that makes sense.
   Asa  Jay
Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
Spokane County ARES-RACES-ACS EC/RO
******************************
[1]http://w7tsc.org
[2]http://www.teampanteraracing.com

   On 1/20/2020 17:24, Mark Tumbarello wrote:

   Hey guys and gals

   What is the correct  orientation of the ZF input shaft seal face ?
   Towards the trans? I can kinda make that out on the schematic , I
   think.

   The one just removed was seal face towards engine which leaked a
   little. And I installed it 10 years ago, but can't remember why I
   chose that.

   Why can't I  find my ZF manual

   Thanks,

   Mark

   Sent via the Samsung GALAXY S(R) 5, an AT&T 4G LTE smartphone


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References

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