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After two years on owning this truck and due to the vibration the 3.7 puts on it seems yet again im putting another trans tube seal on. has anyone made an isolator of some sort to stop this from happening? Because im looking to make a trip here soon and reallllyyy dont want to be on the side of the road changing another one
 

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This is the first time that I have heard of this issue. Is the seal blowing out or just deteriorating? Maybe there is a sharp place on the dipstick that is cutting it from the inside? Are you using OEM seals (1259475)? I haven't heard of anyone else complaining about the 3.7 vibrations, except when the engine mounts were bad.
 

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Are you talking about the o ring on the bottom of the dipstick tube?
Never an issue on my '05 3.5.
Is the tube loose and moving around some?
Or is it cooler lines?
 
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