Losing power
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Losing power
I have a 1992 bronco 5.8L, about once or twice a month while im driving it decides to just not want to go anymore. i will hit the gas and nothing will happen, it will try to rev up but wont. then a I will hear a loud clunk. while this is happening if i put it in neutral it will rev fine until i put it back into drive then does it again. if i stop and turn it off for about 5-10 min it will work fine until it happens agian. anyone know what would cause this?
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ive tried pulling the codes and nothing comes up.
Its an electronic transfercase so it shouldnt be neutral
The tranny has never been serviced in the 7 years ive owned it. I did top off the fluid about a year ago.
Its an electronic transfercase so it shouldnt be neutral
The tranny has never been serviced in the 7 years ive owned it. I did top off the fluid about a year ago.
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
well you should always get a code so either its not being done correctly or you have a computer issue.
I would recommend you double check your tcase to make sure it not in neutral. put the case into 4low and see if the truck moves. if it does then go back into 2hi and try. if it continues to rev but not go anywhere i would service the tranny. Drain the torque convert as well to get the old fluid out.
I would recommend you double check your tcase to make sure it not in neutral. put the case into 4low and see if the truck moves. if it does then go back into 2hi and try. if it continues to rev but not go anywhere i would service the tranny. Drain the torque convert as well to get the old fluid out.
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
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From: Caracas, Venezuela
I've experienced the same conditions and it was all caused by the lack of 2qts. of tranny fluid, you should be checking the level at least once a month. A tranny drain and fill-up with fresh Mercon V ATF could be a good idea since it hasn't been serviced ever (this could backfire, but i would try still).
Fleet Mechanic
Joined: Dec 2009
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From: jus south of nuts
I've experienced the same conditions and it was all caused by the lack of 2qts. of tranny fluid, you should be checking the level at least once a month. A tranny drain and fill-up with fresh Mercon V ATF could be a good idea since it hasn't been serviced ever (this could backfire, but i would try still).
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 21
From: Caracas, Venezuela
My tranny was rebuilt 30k miles ago, and the torque converter too. My problem originated from a mediocre install of the tranny's pan gasket. I suspected the Torque Converter initially, but once i found how low was the ATF level and refilled i've had absolutely no issues with the truck regarding tranny/converter issues.
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