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Aug 24th, 2023
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Joined: Oct 2016
Posts: 1,544
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: Oct 2016
Posts: 1,544 |
Well the MOG in at Richard Thorne big banging noise from rear when pulling away with gusto! Ok normally, thought might be belt but there mech says it's all tight! So he dropped oil out of BB all nice n clean no bits of metal or out else. So left it with them we wait for phone call☹ï¸
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Joined: Jul 2013
Posts: 3,660 Likes: 48
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jul 2013
Posts: 3,660 Likes: 48 |
Hope it's nothing serious
Any chance it's related to the Ohlins?
Red Leader 
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Joined: Dec 2013
Posts: 1,075 Likes: 1
Has a lot to Say!
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Has a lot to Say!
Joined: Dec 2013
Posts: 1,075 Likes: 1 |
It could be the prop shaft hitting the transmission tunnel due to axle tramp.
I had anti-tramps bars fitted to stop this.
John
Silver 2005 S1 Roadster V6 - Henrietta
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Joined: Jul 2015
Posts: 2,539
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jul 2015
Posts: 2,539 |
Will be interesting to see what they discover.
kirkusblog.com
2016 M3W John A Prestwich Special
1952 Ford 8N
1968 Honda CL175,and 2018 Ural Retro
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Joined: Jun 2012
Posts: 2,141 Likes: 43
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,141 Likes: 43 |
Axle tramp on a M3W will be difficult to achieve but there have been a few who have had banging noises from the transmission. There was something about it on TM in August last year. Possibly related to the flex in the NVH kit mounts or the drive belt jumping a tooth or Centa compensator or......? Interested in their findings.
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Joined: Oct 2016
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Oct 2016
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don't think suspension related,more drive chain i.e. bevel box,belt or sprocket. seems worse when pulling away and turning at same time like pulling out of a turning! doesn't matter left or right! its under warranty so we see what they find!!! The good old Morgan wait to hear again 
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Joined: Oct 2016
Posts: 1,544
Talk Morgan Enthusiast
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OP
Talk Morgan Enthusiast
Joined: Oct 2016
Posts: 1,544 |
[quote=Felix42]It could be the prop shaft hitting the transmission tunnel due to axle tramp.
I had anti-tramps bars fitted to stop this. [/quot
M3W bevel box is stationary therefore prop shaft doesn't move, thanks for the idea though.
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Joined: Oct 2012
Posts: 6,538
Talk Morgan Sage
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Talk Morgan Sage
Joined: Oct 2012
Posts: 6,538 |
Ask them to check all the chassis around the BB - they have been known to crack /break and this could be the cause of that kind of noise.
Be interesting to know what - if anything - they discover.
Neil
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Joined: Oct 2012
Posts: 6,538
Talk Morgan Sage
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Talk Morgan Sage
Joined: Oct 2012
Posts: 6,538 |
Does it make that noise when you lift off the loud pedal?
Neil
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Joined: Jan 2015
Posts: 50
Just Getting Started
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Just Getting Started
Joined: Jan 2015
Posts: 50 |
Can be caused by a jumping belt as well if the belt tension is too loose
M3W willow green,Triumph T100,KTM LC4 Adv./Freer.250R, RD250/RS125DX, Alpine A110
Kurt
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