Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Flywheel

Old Oct 12, 2010 | 08:26 PM
  #1  
always89's Avatar
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Model: Cherokee
Default Flywheel

I think I may have found my issue with no spark and wanted to run it by you folks.

Recently, I swapped the block out of our 87 Cherokee for a block out of a 96. I put the flywheel from the 96 in, but everything else is from the 87.

Are the flywheels different? Could that be casuing this problem?
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Old Oct 12, 2010 | 09:30 PM
  #2  
OverlandZJ's Avatar
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From: Bristol,Pa
Year: 94
Model: Cherokee
Engine: 4.0L
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You might be correct.. iirc the flywheel on an OBDII has the CPS pickups at a different depth. The CPS being basically a magnet i'm sure it's not picking up the signal correctly.
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Old Oct 12, 2010 | 10:29 PM
  #3  
Bustedback's Avatar
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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You nailed it, the flywheels are different between the two years.
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