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Bucking when accelerating in overdrive

Feels like tranny issue. Only does it in overdrive. Kinda feels like going in & out of overdrive.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: 1992 A4LD trans problems.

Sounds like the shift kit is warn out in the transmission. The overdrive line may not be able to provide enough hydrolic pressure to engage the gears to move the truck. When you switch to regualr drive, that line is able to build the hydrolic pressure to engage the gears. At a certian speed (for the transmission, certian hydrolic pressure) there is enough pressure to engage the gears in overdrive, but go below that, and you have to start in drive again. If this is the case, there is no easy fix for that and I recomend taking it to a transmission shop to have your shift kit examined. Opening up an automatic transmission requires specalized tools, clean shop enviroment, and knowlage more then the average back yard machanic has.

Posted on Oct 28, 2008

  • 6982 Answers

SOURCE: 1997 Jeep Grand Cherokee transmission or transfer case

As I said, trans fluid keeps the internal components "alive"... Low fluid level can cause burning of internal clutches, premature hardening of seals (essential to proper transmission of fluid pressure) as well as lubrication of necessary gear components such as planetary gear set (which can cause whine etc. which you now have) All of these components rely upon a constant flow of fluid for both cooling and lubrication. Depending upon how low and how long these parts had interrupted fluid flow, directly influences how much damage was done. I take no joy in telling you that you may have damaged your unit, I'd be far happier if I could give you a quick, inexpensive fix. But based upon what you have said, If I was working hands-on with this problem, I would make the recommendation I've already made. There are pressure tests etc that can be done at a transmission shop to verify to some degree of certainty what is going on within your unit. Hopefully they may find something other than what I've said. At this point though, it is wise to have it checked out by a professional, before you become stranded at a time when you can least afford to be.

Posted on Apr 13, 2009

  • 1 Answer

SOURCE: car feels like tranny slips or car misses during acceleration

Try for the clutch--try accelerating on a hill from a slow crawl or stanstill ( safely ) if the engine revs the clutch is slipping----

Posted on May 08, 2009

savindude
  • 175 Answers

SOURCE: Dodge ram shakes at 50 mph

U joints? Flywheel could be cracked. Let me know of any questions.

Posted on Jul 13, 2009

  • 148 Answers

SOURCE: car hesitates to accelerate and feels as though it will stall

take the car back to where the oil was changed at and make sure they did not over fill the oil then ask them if they looked at your air filter and disconnect a vaccum line or the MAF sensoer

Posted on Jul 17, 2009

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