Vibration just before shifting
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New User
Joined: Sep 2005
Posts: 2
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Vibration just before shifting
I am experiencing a vibration or shutter that occurs just before the down shifting. It occurs at higher speeds with the downshift from overdrive being the worst. If I am traveling about 60 mph and slowly accelerate just below the point of shifting, the transmission seems to vibrate until it shifts. I can make it last 4-5 seconds if I accelerate real slowly. I have checked the U-joint and have changed the transmission fluid. The vibration has been going on for about 20K miles and has not worsened. Any ideas???
Elder User
Joined: Jun 2005
Posts: 740
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what type of fluid do you install mercon V or reg,( it should say what to use on the dip stick) If you used reg and not mercon V it will cuase the problem. there is a addative they sell at NAPA to put the special properties in reg tranny fluid. I beleive they call it tourqe converter shutter and if not fixed will cause major problems. some one will chime in if I am wrong.
hope this helps
Lance
hope this helps
Lance
Senior User
Joined: Feb 2005
Posts: 131
Likes: 0
Right on - LubeGard makes a product called Instant Shudder Fix in a red tube and Oreillys sells it. Really common. Make sure the fluid was flushed when serviced - that will help a lot. LubeGard also sells a tranmission additive/protectant in a red bottle that improves the way yours transmission shifts.
