Transmission Chatter
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Transmission Chatter
2010 F150 - 5.4L
I encountered a disturbing chatter/buzzing noise while towing recently.
I have not towed a lot with this truck but recently bought a 8.5x18 enclosed car hauler and have towed the trailer about 3000 miles so far. Twice I have experienced a chattering noise from the transmission under very specific conditions. Was traveling on a long flat road at about 70 MPH in 5th gear at about 2100 rpm when it started. If I let off the noise would instantly go away. If I accelerated and went into 4th the frequency and tone of the chatter would not change with either RPM or speed, however, when I let off it would go away.
It is almost impossible to reproduce because it has to be flat. It did once start to chatter in 4th when I was pushing a strong headwind at about 70 MPH and 3000 RPM.
Any ideas??
I encountered a disturbing chatter/buzzing noise while towing recently.
I have not towed a lot with this truck but recently bought a 8.5x18 enclosed car hauler and have towed the trailer about 3000 miles so far. Twice I have experienced a chattering noise from the transmission under very specific conditions. Was traveling on a long flat road at about 70 MPH in 5th gear at about 2100 rpm when it started. If I let off the noise would instantly go away. If I accelerated and went into 4th the frequency and tone of the chatter would not change with either RPM or speed, however, when I let off it would go away.
It is almost impossible to reproduce because it has to be flat. It did once start to chatter in 4th when I was pushing a strong headwind at about 70 MPH and 3000 RPM.
Any ideas??
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I'm not certain where the noise is coming from. Seems like it's coming from that area and when you let off and let it go up to 6th it stops right away.
I'm not certain where the noise is coming from. Seems like it's coming from that area and when you let off and let it go up to 6th it stops right away.
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Joined: Jan 2008
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From: Maine, Virginia
Has the transmission service ever been completed yet? Yes, the owners guide says that it ok to do a 150K mile service but may be she's ready now.
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Joined: Jan 2010
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From: Ontario, OH
I guess I should have asked if your tuck is 4x4 first. the reason being is that when you say that the chatter goes away when you let off the gas it sounds a lot like an IWE (integrated wheel end) issue. Mine was getting a partial vacuum when I was on the throttle and it would try to engage the iwe's and as soon as I let off, the noice would go away.
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