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Surging


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  • 2 weeks later...

I'm not sure I would describe it as "surging" but my aw4 (both of them) always seem to hang a bit more between gears in comfort mode than I'm comfortable with.

If you're decelerating in gear, I can see that brief moment between gears feeling like a surge I guess.

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I'm fairly certain the pump is bad on mine, I have replace the front oil seal twice in the last six months and it still leaks and I have a vibration when I let off the accelerator. I have brand new moog U-joints in the driveshaft new front wheel bearings and new tires on the truck so all of that has been eliminated as the cause of the vibration so, with the leak and vibration I am fairly sure my pump is bad. 

 

That being said I have no idea how much (if at all) that could be contributing to the "surging" but when I am decelerating and applying the brakes as the tranny downshifts, RPMS seem to raise considerably. I don't have a tach so its hard to say exactly how much. but its to the point that it almost overwhelms the brakes pushing me forward. That's what I mean when I say it's surging. 

 

Like I said flipping the switch to power has helped considerably. It's not completely gone but it at least feels safe to a point that I am comfortable driving it in town.

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