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disabling AWD on a 93 impreza
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Old 20 Jan 2008, 02:55 AM   #1 (permalink)
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disabling AWD on a 93 impreza

anyone purposely disable (w/ the fuse) the AWD in order to gain better fuel economy?? does the rear drivetrain still spin w/ the fuse in or are the rear tires just freewheeling back there.
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Old 20 Jan 2008, 12:07 PM   #2 (permalink)
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unless its an auto it doesn't have any use.............even then its only to enable the auto's to be towed if needed
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Old 20 Jan 2008, 12:21 PM   #3 (permalink)
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As Alyn said . Only Auto "Active all-wheel drive" have the defeat fuse under hood. VTD, DCCD, and any manual transmission subie CANNOT be disabled .
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Old 20 Jan 2008, 02:46 PM   #4 (permalink)
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what about removing the propshaft i reckon that`d disable the rear pmsl
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Old 20 Jan 2008, 03:01 PM   #5 (permalink)
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Originally Posted by uk dave View Post
what about removing the propshaft i reckon that`d disable the rear pmsl


Tiss true. Disconnecting a driveshaft would disable the rear.
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Old 20 Jan 2008, 03:34 PM   #6 (permalink)
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Quote:
Originally Posted by clmay11 View Post
anyone purposely disable (w/ the fuse) the AWD in order to gain better fuel economy?? .
Found this info on fuel economy.


Quote:
The car drives like crap in FWD lots of under steer and torque steer. I dont reccomend drivin around all the time like that.
I've tracked my gas milage with AWD and without and it was no different ive gotton 28mpg on the highway with awd just as fwd and 21 around town was also roughly the same.
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Old 20 Jan 2008, 06:14 PM   #7 (permalink)
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thanks for all the info. it's interesting that the car still retains the same fuel economy w/ AWD disabled. i would think that by having the rear "disconnected" the engine would salvage some mileage. Does anyone know if, when the fuse is disabled for the rear, the driveshaft from the tranny is essentially disconnected (ie the driveshaft, rear diff, and rear half shafts are no longer spinning)??
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