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Hello all,
I've got a 2006 Sorento EX 4WD that gets god awful gas mileage. I've tried everything between conservative driving to rebuilding the engine and I am still averaging 13MPG. I was wondering (and this is the strange part) if I could remove the rear driveshaft to improve gas mileage. I feel that by converting the car from 4WD to FWD I can save gas and just put the driveshaft back in for the winter. Any thoughts?
 

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08 2.5 CRDI Sorento Titan Auto
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Remove the rear shaft and you won't be going anywhere :( (It's rear-wheel drive by default). You could remove the front prop-shaft. If you have a pre-facelift also remove the fuse #13 ("TCCS") in the driver's footwell fuse box. That will disable the transfer case control unit. (On post-facelift the control systems/fuses are different and this doesn't work the same) However, I doubt it will improve your gas mileage that much. If your vehicle is TOD the front diff will still be connected to the front wheels. Nothing you can really do about that.
 
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