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#1
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Transmission jerk when accelerating from stop on '01 3.0..software upgrade????
Last edited by khelms_98; 08-24-2006 at 10:28 PM. |
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#2
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That happens on my 4.4i, I'd be interested on others thoughts, I just thought it was a bmw characteristic too :-P
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#3
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Most of the documented transmission problems here on X5World stem for the 6 speed auto built by the company ZF for the refreshed 4.4i (04' and on). That tranny is also shared with the E60 and BMW cars (I think all V8 cars).
The problem they seem to be having is a transmission slam, when the car deaccelerates to a slow rolling speed and then the throttle applies, the slam happens causing the car to jerk forward. With that being said, you have a 3.0i, and it doesn't have the 6 speed auto by ZF. So there should be no reason why your car should be doing this. I have 2 questions... - How many miles does your X have? - Has it gotten worse over time? On my X3 3.0i (which I am presuming uses the same 5 speed auto as your X5), things I have noticed are (@ 28,000 miles and counting) : - a slight clunk after a sudden and quick stop (a clunk which doesn't cause the car to move or make any jerkiness, just seems to be an audible noise). - when the transmission is cold, a slight jerk can between 4th to 3rd when I downshift. - and 1st gear jerks about half of the time around 5,000 - 6,0000 rpm under hard hard acceleration. (I'm told this is normal by my friend ?! any ideas?). Anyway, my point is, your transmission shouldn't be doing this, unless it was abused by the previous owner (who probably shifted from R to D while moving... thinks like that). You could take it to a dealer and ask for reprogramming... |
#4
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I don't have any problems with shifting; it shifts very smooth and there is no clunk when stopping. It has 83k miles on it, but you coudn't tell it by the tranny, it shifts great. My ONLY problem is when I go to accelerate from a stop or rolling stop; if I don't gently ease into the accelerator, I get a slight jerk before the transmission engages, no clunk or slamming noise, just a jerk, as if the drive-by-wire has a delay and doesn't immediately recognize my accelerator input, then all of a sudden it does, and I get a jerk. Does that make any sense at all? By the way, the previous owner was very meticulous, so I wouldn't think it was mistreated, but one can't ever be 100% sure.
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#5
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2005 X5 4.4 (Sterling on Truffle) w/sport everything 2011 Audi S4 (Prestige, DSG) 2012 Audi Q7 (Sport, S-Line) |
#6
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I had a similar issue. After resetting the transmission (turn carkey to position 2 for 10 seconds, then off for 10 seconds, then start the car), it became much smoother.
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X5 Newbie Initiation Ritual 1) STFU... school is in session 2) RTFM 3) Read xoutpost.com with a fine-toothed comb. It has the answers to ALL the X5 questions you never asked! 4) STFA 5) Train the padawan newbies 6) Learn what NWS means in da 'fugee lounge |
#7
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#8
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Mine occurs when I accelerate quickly from a dead stop and then slow back down immediately - then I feel the "thud" like someone rear-ending me. Unfortunately I could not reproduce it when I had a service tech in the vehicle. Will try again next time.
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2001 X5 3.0i (PP/WP/AP) Traded at 213K miles RARE White on Black - Why does everyone get Tan?? First E53 with 215s on XOutpost!! |
#9
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Hopefully it is not your automatic tranny failing. I was having some of those jerks from time-to-time and then I got the "!" symbol which equaled to $5.5K.
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#10
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