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Unread 06-07-2013, 12:09 PM   #16
CJ51973
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1988 YJ Wrangler 
 
Join Date: Aug 2004
Location: Versailles, KY
Posts: 2,314
Serpentined 258 water pumps spin the opposite direction of a vbelt ones. I have heard they are interchangable as far as bolt up. Might be true.

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Unread 06-07-2013, 12:38 PM   #17
LumpyGrits
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YES-BOTH will 'bolt up.
LG
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Unread 06-07-2013, 01:34 PM   #18
titomars
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Quote:
Originally Posted by LumpyGrits View Post
YES-BOTH will 'bolt up.
LG
And YES they look exactly alike.

As fast as you are reporting an overheat even the wrong pump would not cause this. A wrong direction pump would really show up at freeway speeds. On a warm day temps upwards of 220 to 240f are the norm with a wrong pump. Around town at low speeds it would only runs slightly warmer than it should. The only other thing that would be caused by a wrong direction pump is thermostat operation would be weird. I have dealt with 3 wrong way pumps in Jeeps in the last 2 years. They all exhibited the same characteristics as I just described.
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Unread 06-07-2013, 01:37 PM   #19
LumpyGrits
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Originally Posted by titomars View Post
And YES they look exactly alike.
The front does, YES.
The impellers are different.
LG
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