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JG

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Since: May 11, 2006
Posts: 8



(Msg. 1) Posted: Mon Aug 07, 2006 6:40 pm
Post subject: F-150 Overdrive Clunk
Archived from groups: alt>trucks>ford (more info?)
Hello - I have a 2004 F-150 4-wheel drive truck. It has recently started to
make a clunking noise accompanied with a vibration right around 46 miles per
hour, about where it would shift into over drive. Anyone familiar with
this problem? How can I begin to narrow this down and do some diagnostics?
Thanks!

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CJB

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Since: May 11, 2005
Posts: 50



(Msg. 2) Posted: Tue Aug 08, 2006 5:55 pm
Post subject: Re: F-150 Overdrive Clunk [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"JG" wrote in message

> Hello - I have a 2004 F-150 4-wheel drive truck. It has recently started
> to make a clunking noise accompanied with a vibration right around 46
> miles per hour, about where it would shift into over drive. Anyone
> familiar with this problem? How can I begin to narrow this down and do
> some diagnostics? Thanks!
>

Have you ever done a transmission fluid change or filter change? IIRC, the
fluid/filter change is specified for 30k mile intervals. Any shift problems
or shudder, particularly with OD, are likely related to old fluid. Even if
you were under warranty, Ford would tell you that the first thing to do is
change the fluid and filter.

CJB

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M D

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Since: Aug 08, 2006
Posts: 1



(Msg. 3) Posted: Tue Aug 08, 2006 8:55 pm
Post subject: Re: F-150 Overdrive Clunk [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Make sure you check the U joints. You may have had one go prematurely! This
causes a clunking noise and because it is out of round, it causes a rumble
when spinning at higher speeds due to imbalance.

Been there, had that happen!

MD


"CJB" wrote in message

>
> "JG" wrote in message
>
>> Hello - I have a 2004 F-150 4-wheel drive truck. It has recently started
>> to make a clunking noise accompanied with a vibration right around 46
>> miles per hour, about where it would shift into over drive. Anyone
>> familiar with this problem? How can I begin to narrow this down and do
>> some diagnostics? Thanks!
>>
>
> Have you ever done a transmission fluid change or filter change? IIRC,
> the fluid/filter change is specified for 30k mile intervals. Any shift
> problems or shudder, particularly with OD, are likely related to old
> fluid. Even if you were under warranty, Ford would tell you that the
> first thing to do is change the fluid and filter.
>
> CJB
>
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CJB

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Since: May 11, 2005
Posts: 50



(Msg. 4) Posted: Thu Aug 10, 2006 10:55 am
Post subject: Re: F-150 Overdrive Clunk [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"M D" wrote in message

> Make sure you check the U joints. You may have had one go prematurely!
> This causes a clunking noise and because it is out of round, it causes a
> rumble when spinning at higher speeds due to imbalance.
>
> Been there, had that happen!
>
> MD

Excellent point, even for a top poster! JK

In all seriousness, even if you find a universal joint problem, you still
need to service the transmission if you haven't.

CJB
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JG

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Since: May 11, 2006
Posts: 8



(Msg. 5) Posted: Thu Aug 10, 2006 4:48 pm
Post subject: Re: F-150 Overdrive Clunk [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Thanks all. I'll start with a fluid/filter change and inspection of the
U-joints.


"CJB" wrote in message

>
> "M D" wrote in message
>
>> Make sure you check the U joints. You may have had one go prematurely!
>> This causes a clunking noise and because it is out of round, it causes a
>> rumble when spinning at higher speeds due to imbalance.
>>
>> Been there, had that happen!
>>
>> MD
>
> Excellent point, even for a top poster! JK
>
> In all seriousness, even if you find a universal joint problem, you still
> need to service the transmission if you haven't.
>
> CJB
>
 >> Stay informed about: F-150 Overdrive Clunk 
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