Modified XJ Cherokee Tech XJ (84-01)
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Vacuum question

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Old 11-15-2012, 09:11 AM
  #1  
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Year: 1998
Model: Cherokee
Engine: 4.0L
Default Vacuum question

I've always meant to ask this - what is the story about Dana 30 with and without vacuum? Why is vacuum needed i the axle?

I am looking at lockers and some of them, like Auburn, are made specifically for diffs with no vacuum.

How do I know if I have a D30 with vacuum (98XJ Limited)? Is it visible on the axles?

Thanks.
Old 11-15-2012, 09:34 AM
  #2  
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Year: 1990
Model: Cherokee
Engine: 4.0
Default

you don't have a center axle disconnect. dont worry. yes its visible on the pass. side of the axle on earlier models
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