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SYE install (oil pump problem)

Old Feb 28, 2013 | 10:46 PM
  #1  
thehighlander123's Avatar
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Joined: Jan 2010
Posts: 46
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From: Central Jersey
Year: 2001
Model: Cherokee
Engine: I6 XD
Default SYE install (oil pump problem)

Hey guys i have an extra 231 from an identical cherokee as mine and im installing an sye into it.
Long story short i think there is a problem with this specific ones oil pump. The inside ring of the oil pump that should engage the main shaft is totally smooth, is this normal? has it been stripped? Do i need a new pump?



what a normal pump looks like^

http://imgur.com/a/crfHL

what mine looks like^
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Old Mar 1, 2013 | 02:01 AM
  #2  
cdn_xj's Avatar
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Joined: Feb 2009
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From: British Columbia, CANADA
Year: 1999
Model: Cherokee
Engine: 4.0L
Default

Nope. Not normal. should be geared to match the splines on the main output shaft.
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Old Mar 1, 2013 | 06:42 AM
  #3  
jbsjunk's Avatar
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Joined: Oct 2011
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From: Hudsonville, MI
Year: 1986
Model: Cherokee
Engine: 5.0
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Yup. No Bueno. Time for a new one.
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Old Mar 1, 2013 | 06:50 AM
  #4  
letsgomuddin's Avatar
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Joined: Nov 2009
Posts: 774
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From: Lowell, MI
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0
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What they said, good thing you caught it!
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