Auto Trans. jerky - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 11-13-2009
Wolgy's Avatar
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Auto Trans. jerky

Have an '02 Ranger with the 4.0 liter. When ever I accelerate from a complete stop there is an ever so slight jerky feel almost like the rear wheels are jumping for a split second. Again, this only occurs after a complete stop. I know I saw some suggestions on here before but I can't seem to find them at the moment. Can anyone help?

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Old 11-13-2009
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make sure the MAF is pluged in. or is working. i unpluged mine before and it did the same thing
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Old 11-14-2009
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Do you have a one piece 4" aluminum driveshaft, or the two piece with a slip yoke? If you have a slipyoke, that could be where the bump is coming from. When you start moving, there is some axle wrap which causes the yoke to slip, you may just need to grease it. If this is the issue, traction bars also help with the axle wrap.
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Old 11-14-2009
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whether you have a steel or aluminum driveshaft, this is a problem with all 98+ supercab 4x4's. the two piece rear was discontinued in 97 you need to mark it, remove it and clean all the slip shaft grease out and re grease it. you will need a 12pt 12mm socket or wrench to remove the driveshaft
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Old 11-17-2009
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mine is a 2002 2.3 2wd...i am having problems with it pretty much like that... and my tranny needs a rebuild.. i went to the shop last week
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Old 11-19-2009
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Quote:
Originally Posted by Toreador4x4 View Post
whether you have a steel or aluminum driveshaft, this is a problem with all 98+ supercab 4x4's. the two piece rear was discontinued in 97 you need to mark it, remove it and clean all the slip shaft grease out and re grease it. you will need a 12pt 12mm socket or wrench to remove the driveshaft
x2 on alldatapro.com they have a service bulletin on the driveshaft needing re-greasing (did it on my '98 to clear up the annoying feeling) as well as the transfer case rear output yoke making a "pinging" noise in which there is a revised ($300) yoke from the dealer. Hope this helps a little to pinpoint the problem.
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