Block or head?
CF Veteran
Joined: Feb 2013
Posts: 1,802
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From: Justin, TEXAS
Year: 1988
Model: Cherokee
Engine: 4.0
Herp Derp Jerp
Joined: Nov 2011
Posts: 18,251
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From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Beach Bum
Joined: Jul 2011
Posts: 6,123
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From: Cape Hatteras, North Carolina
Year: 2000 WJ
Model: Grand Cherokee
Engine: 4.0
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Newbie
Joined: Nov 2014
Posts: 4
Likes: 0
Model: Cherokee
Bought 2001 Cherokee cheap because of potential cracked 0331 head issue.The old owner said her boyfriend put a new water pump on and forgot to hook up electric fan and overheated. So now its mine . Got old head off ready for new head I noticed a scratch on #4 cylinder wall. Now Im wondering if its a crack. Jeep starts up fine with white smoke. Only driven it on and off trailer as to get it home. I now have a rebuilt 0331 TUPY head and don't know what to do. Jeep had low oil pressure and oil light was on. So thinking about putting new had on and see what happens.
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Joined: Aug 2011
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Bought 2001 Cherokee cheap because of potential cracked 0331 head issue.The old owner said her boyfriend put a new water pump on and forgot to hook up electric fan and overheated. So now its mine . Got old head off ready for new head I noticed a scratch on #4 cylinder wall. Now Im wondering if its a crack. Jeep starts up fine with white smoke. Only driven it on and off trailer as to get it home. I now have a rebuilt 0331 TUPY head and don't know what to do. Jeep had low oil pressure and oil light was on. So thinking about putting new had on and see what happens.
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CF Veteran
Joined: Sep 2009
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From: ☼ Blackhole Sun
Year: My Jeep is a GMC
Bought 2001 Cherokee cheap because of potential cracked 0331 head issue.The old owner said her boyfriend put a new water pump on and forgot to hook up electric fan and overheated. So now its mine . Got old head off ready for new head I noticed a scratch on #4 cylinder wall. Now Im wondering if its a crack. Jeep starts up fine with white smoke. Only driven it on and off trailer as to get it home. I now have a rebuilt 0331 TUPY head and don't know what to do. Jeep had low oil pressure and oil light was on. So thinking about putting new had on and see what happens.
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