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  #16  
Old 09-02-2010, 12:40 PM
87bullsnkranger 87bullsnkranger is offline
bullsnake 4x4 owner
 
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Talking Re: Tranny kickback while pushing on gas... Help!

i have a slight problem with this just thought may be trans getting old but could be this from some of you guys explinations but i was told by a mechanic to keep this dry whitegreese is pretty dry supposed to stay that way but ive seen it collect moisture on the outside i know this slip joint has to stay rust free and devoid of moisture ive heard of ppl useing dry graphite greese powderd form, thought what ford usees for this,any feedback on this apreciated.
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1987 black custom xlt,ext. cab 4x4,military-surplus 2.9L, stock 3"lifted;5 speed auto trans w/ manual 4x4,borg-Warner-turbo transfer case,grinds out progressive aluminum mags w/goodyear wranglers; keyed entry alarm,duel 280w interface deckw/usb n bluetooth,jvc6x8s rear,jvc4"160wfront,crome bed side rails,tuff liner bed liner also blacked out headlights,limo black window tint. called the BULLSNAKE cuz its the best small-n-toughest 4x4 ford built!!
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  #17  
Old 09-06-2010, 06:14 AM
blueranger1801 blueranger1801 is offline
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Default Re: Tranny kickback while pushing on gas... Help!

Alright after reading this post i am convinced that i have a very similar problem with my ranger as well. 2003 2wd xlt 3.0l flex.

When i want to drive accelerate normally my engine carry's out through the rpm's just fine and my transmission gives no problem....

BUT! as soon as i want to start passing other cars or suddenly pick up speed i would push down on the accelerator some more and my transmission would kick down one gear (as it is sopposed too) but once its in this gear and it starts going up to say 4000 rpm it suddenly starts kicking violently and it wont go past 4,000 rpm.

ANOTHER INTERESTING THING......is that when i decide i really want to push the pedal all the way down from say a dead stop....She will take off just fine and if i am already rolling then she would just kickdown a gear and continue....its when i am completely stepping on it that it does not buck around 4000.....i think to my self that its actually working...but when i get to around 5 ish it suddenly kicks back.....but for a very short moment.......and after that it continues perfectly fine and i can continue to speed up as much as i want ( until i hit that 92 mph limit of course)

Now you guys may be on to something here with the transmission idea...but i have another suggestion that i would like to throw out there....could this possibly have something to do with maybe some sort of safety feature similar to the rev limiter? because when i try to compare this problem to anything else the rev limiter is all i can think of seeing that when it reaches a certain rpm it suddenly starts to bounce around there not letting you go past it....could it be that something similar to this is happening and that is whats causing this big kicking feeling?
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  #18  
Old 09-06-2010, 12:19 PM
87bullsnkranger 87bullsnkranger is offline
bullsnake 4x4 owner
 
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Wink Re: Tranny kickback while pushing on gas... Help!

Quote:
Originally Posted by Ape View Post
Having the same problems as ya'll and have the same type drive shaft as ya'll also. The slip yoke is just the part that slides into the end of the transmission. Only problem is because we have a "old" style driveshaft the trans is gonna puke out some maybe all its fluid so make sure ya got some handy to replace what is lost.

Now I've heard there is a "special" grease used when lubing the slip yoke anyone confirm?
i honestly don't think whitegreese is our answer because it is moisture free except on the outside from air and humidity it catches dew just like any thing solid and cold graphite powder is what ford specifies for a 4wheeldrive slip yoke its just tricky getting it in there and dangerous due to graphite being like a piosion but i remember an old farmer 4wheeldrive trick use a bendable straw fill with graphite powder use a can of air with a spray nozzle from a wd40 can attached to can of air and spray and blow graphite into boot like the other guys instructions below it takes a little while for this to work becuase graphite has to coat and work into that yoke but its dry and ford spec'ed white greese is for geeks to fast fix a problem an break their truck they love.
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1987 black custom xlt,ext. cab 4x4,military-surplus 2.9L, stock 3"lifted;5 speed auto trans w/ manual 4x4,borg-Warner-turbo transfer case,grinds out progressive aluminum mags w/goodyear wranglers; keyed entry alarm,duel 280w interface deckw/usb n bluetooth,jvc6x8s rear,jvc4"160wfront,crome bed side rails,tuff liner bed liner also blacked out headlights,limo black window tint. called the BULLSNAKE cuz its the best small-n-toughest 4x4 ford built!!
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  #19  
Old 09-07-2010, 06:12 AM
Ranger69 Ranger69 is offline
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Default Re: Tranny kickback while pushing on gas... Help!

Blueranger1801, your problem sounds like a bad coil/coils or spark plug wires/plugs. I had two of three coils go open on my old 87 3.8L GM motor. It would drive great except when under heavy load. Two of the three coils were open internally on the high voltage side causing the generated spark to jump three gaps instead of the designed two (waste gate operation of coils, two plugs fire twice every crank rotation. One fires on power, the opposite one fires on exhause, for emmissions). After researching that I replaced those two open coils and never had another occurance of EXACTLY what you are describing. So, not knowing if your coil is a one piece, or sectional, I would check the internal resistance of each pair of coils, then the spark plug wiring, then the plugs (order of simplist to hardest).

Your situation DOES NOT sound like the slip-yolk problem we are experiencing.
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  #20  
Old 09-07-2010, 12:47 PM
blueranger1801 blueranger1801 is offline
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Default Re: Tranny kickback while pushing on gas... Help!

to ranger69:: Ok thanks for the help. I dont want to start another thread in this post so i will pm you more about this.

Last edited by blueranger1801; 09-07-2010 at 12:50 PM.
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  #21  
Old 09-08-2010, 08:31 AM
Ranger69 Ranger69 is offline
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Default Re: Tranny kickback while pushing on gas... Help!

Blueranger1801, reply sent! Good luck!
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  #22  
Old 06-26-2011, 06:15 PM
Bubbat89 Bubbat89 is offline
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Red face Re: Tranny kickback while pushing on gas... Help!

Does anyone know where the Transmission speed sensor is located? I have bought one, but have no idea where it goes... went to parts store, and no help.. got any help????
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