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Old Apr 18, 2008 | 11:58 AM
  #1  
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automatic
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Default Overdrive

I just picked up a 96 Dakota a couple weeks ago, one thing i've noticed is that with overdrive on driving at highway speeds RPM's are 300-400 higher then with it off. I'm guessing it should be the opposite no?
 
Old Apr 19, 2008 | 05:50 PM
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Default RE: Overdrive

I think you've got OD confusion...when the light is on in the dash, OD is OFF. If the RPMs are higher and an OD light is on in the instrument cluster, it's working fine.
 
Old Apr 22, 2008 | 09:07 PM
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Default RE: Overdrive

so if OD is on, the RPM's should be higher?
 
Old Apr 22, 2008 | 09:09 PM
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Default RE: Overdrive

sorry, when OD is off, the RPMS should be higiher?
 
Old Apr 22, 2008 | 10:22 PM
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Default RE: Overdrive

Correct
 
Old Apr 22, 2008 | 10:37 PM
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hmm..i never messed with mine..ill have to take a look tomorrow. i may have been running those 400-600 RPMS higher on highway [sm=headbang.gif](i do about 250 highway miles a week)
 
Old Apr 23, 2008 | 11:04 AM
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Default RE: Overdrive

Overdrive = transmission output shaft spins faster than the engine = fewer engine RPM's for a given ground speed
 
 




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