Jumping Revs - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 11-14-2011
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Join Date: Nov 2011
Location: Aiken
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Jumping Revs

Ok guys, I have a 1989 Ford Ranger XLT. It's a 2.9L with an automatic transmission. Every once in awhile, When driving on a fairly level road my truck would drop a gear and the revs would jumps to about 2700 or something like that. For reference, the gear change is somewhere between 53-60 mph and it settles at 2000 rpm. What I would usually do would just floor it for a few seconds, jump the rpm's and it would settle back down. But on my latest drive, it wouldn't stop. It would settle down but then it would jump around 3-4 times dropping a gear and hiking the rpms. This went on for about an hour. But when I finally go to my destination, I found that I had no radiator coolant. Would dropping gears and hiking the rpms be caused by overheating? Please help!
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Old 04-17-2014
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Location: Oskaloosa, Iowa
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I'm having the same problem with my 1988 2.9L w/ manual transmission. Any advice, anyone????
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