Anyone get this??
#1
.....
Thread Starter
Anyone get this??
A sort of -rumble strip- feeling. It seems to only happen over 40 mph under light acceleration just before it down shifts. It only lasts for a second and stops. 2007 Lariat 5.4 4wd w/36,000miles
Thanks
Thanks
#3
Senior Member
If I had to guess i would say that its just the feeling of your truck running at low RPM's. 40 MPH is like the lowest speed you can go in 4th gear and the computer wants to keep it there as long as possible so under light acceleration it wont kick down as fast and sorta "chugs" for a second. At least thats how i imagined your problem. Happens to me all the time especially when i start to go up hills and stuff
#4
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Join Date: May 2010
Location: Dublin,Ga
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i know exactly what your talking bout man but mine only does it at take off or at slow right turns and some one told me its the clutches slipping in the rearend. dont know if there is any truth to that though. good luck buddy
#6
Senior Member
I get the same thing on my 07 Lariat. I was wondering if others have had this happen. Haven't seen any post here about it. Running over rumble strips is a good description of what it feels like. I don't have a clue what causes it.
#7
DIY
after done everything (new plugs, new coil, clean maf, new gear oil, flush transmission, lubegard), i still have that around 42-47mph.... im thinking the driveshat maybe,.. will put a camera soon under the track to monitor that....
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#8
Senior Member
I think there is a TSB on this.. could be wrong though... could be a different issue... but if it is the same.. i think it's just a quick ride over to your local dealership and a flash of the transmission...
heres a link to the TSB
http://www.scribd.com/doc/17120405/tsb091105
heres a link to the TSB
http://www.scribd.com/doc/17120405/tsb091105
Last edited by fend2ride; 05-04-2011 at 11:51 AM.
#9
YOu are right. The ford dealship I contacted about this will reprogram your truck with the new programs. They say it is a old program problem. They want $90 to do it though...WTF no warranty coverage on a problem created by ford.
#10
Senior Member
I had this issue when i first got my truck.. luckly i quickly noticed the issue and they reflashed it the same day i tested it... problem solved.... that was before i knew about the TSB...