Rice
Member Since: 18 May 2017
Location: West Sussex
Posts: 3
  
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| Low RPM intermittent vibrate |
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Good morning all, just signed up so this is my first post! Go easy on me  .
Ive recently started using my D3 for towing a trailer (up to 3.5 tonnes), and since doing so (approx 3 months ago) I've noticed a vibration steadily getting worse paired with a slight rise in the RPM which only happens between 1400-1800RPM. If I change down a gear the vibration disappears, which is down to the change in RPM it seems.
The vibration is hard to place and doesn't vibrate any part of the vehicle in particular, i'm stumped as to what might be causing it, if it was just a vibration then that may be easier to trace but the rise in RPM as it's doing so is peculiar to me. I always use cruise control, so this slight change in RPM isn't down to my right foot.
I took a video, sorry, my passenger took a video of the tachometer as this was happening, if you turn up the volume you can hear the vibration slightly as the RPM rises marginally.
http://s258.photobucket.com/user/thorpee19...n.mp4.html
(Don't know how to embed sorry)
Any help would be greatly appreciated!
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 18th May 2017 9:55 am |
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Ja92mie
Member Since: 16 Sep 2014
Location: Newquay
Posts: 1259
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If you fill in your profile, the help will be more "customised" to your car. e.g. manual auto
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| 18th May 2017 10:25 am |
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Rice
Member Since: 18 May 2017
Location: West Sussex
Posts: 3
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I did fill that out when registering, not sure why it hasn't come up.
It's a 2008 2.7tdv6 XS. Auto box.
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| 18th May 2017 10:58 am |
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daftlad
Member Since: 12 Jun 2016
Location: Worksop , Nottinghamshire
Posts: 712
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funny that my profile did the same bud , I didn't realise until someone prompted me .
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| 18th May 2017 12:44 pm |
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Ja92mie
Member Since: 16 Sep 2014
Location: Newquay
Posts: 1259
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I reckon its your TC (Torque Converter)
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| 18th May 2017 2:33 pm |
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Rice
Member Since: 18 May 2017
Location: West Sussex
Posts: 3
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That's a good shout! I guess the added strain the torque converter is under whilst towing a heavy load would cause that play/vibration....? It's done 115k miles.
Thanks ja92mie.
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| 18th May 2017 6:18 pm |
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