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While drivingn in regular 4x4, when accelerating, does anyone also feel a slight banging in the tranny area, not sure if there is any slip clutches that allow for this or if I have something out of line. Thanks
I don't feel or hear any banging. My 08 Expy only has 350 miles on it though. Are you on a slippery surface where the front wheels are actually engaging or is it on dry pavement.
I found this while on slippery surfaces ie. snow, ice. Basically what happens, if i accelerate, i can feel the rear wheels slip and bit and the occasional bang. It is in reg. 4x4 and not the auto.
If you're in 4H the front and rear axles are locked together and when the wheels turn at different speeds something has to slip and bang. Usually a tire on the pavement but the shock runs back to the axles and truck.
In 4Auto the front axle can make a bang as it engages if the rears slip. This happens as the slack in the drive train is taken up.
I went out the other day after reading your post. I put the car in 4H & 4A on a freshly snow covered street, I excelerated, stopped. Put the car in park. excelerated again. I did not turn hard during any of this. In 4H or 4L I know the car will grunt and groan during sharp turns. I did not hear any banging or thunking.
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2008 Expedition EL Limited 4x4, Black on Black, Moonroof, Rearview Mirror Camera, Power Liftgate, Luggage Rack, Purchase Date 1/09
Pioneer AVIC-900BT w/ Rear 10.5" DVD/Monitor
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