Home > Maintenance & Mods (L322) > Indecisive Transmission on L322 (BMW RR Vogue) |
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RRPhil Member Since: 22 Aug 2011 Location: Blackburn, Lancashire Posts: 968 |
How sure are you that your transmission is shifting gear? Could it not be the torque converter lock-up clutch that you’re feeling?
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2nd May 2019 6:21pm |
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BIRDY57 Member Since: 24 Oct 2016 Location: Nottingham Posts: 22 |
Hi, obviously can't say for definite but the symptoms are very similar to the one's my 2006 TD6 had and I ended up having the gearbox and torque converter refurbished. These boxes are "sealed for life" supposedly and for years you couldn't get a service kit. These are now readily available, but maybe the damage has been done on yours?
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2nd May 2019 6:33pm |
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stuart_2006 Member Since: 17 Jul 2018 Location: Holsworthy, Devon Posts: 126 |
Select the 4x4 Info screen on the centre console display and check that the Hi/Lo ratio indication isn't flipping between Hi and Lo due to a problem with the transfer box motor potentiometer (or associated wiring). If the ECU thinks it's in Lo ratio then it disengages the torque converter lock-up clutch, so if its flipping between Hi and Lo then the clutch disengages then engages again then disengages, and the RPM jumps about accordingly. |
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2nd May 2019 7:52pm |
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Gary Williams Member Since: 17 Jan 2017 Location: Essex Posts: 53 |
Hi Guys,
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3rd May 2019 9:08am |
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Joe90 Member Since: 29 Apr 2010 Location: Hampshire Posts: 6409 |
When was the transmission (gearbox) oil / and the transfer box oil last changed ? .
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3rd May 2019 9:25am |
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Gary Williams Member Since: 17 Jan 2017 Location: Essex Posts: 53 |
Hi Joe90,
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3rd May 2019 9:44am |
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Gary Williams Member Since: 17 Jan 2017 Location: Essex Posts: 53 |
Hi Guys,
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3rd May 2019 4:13pm |
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Joe90 Member Since: 29 Apr 2010 Location: Hampshire Posts: 6409 |
As RRPhil suggested, sounds like the torque converter lock up clutch @ 50mph .
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3rd May 2019 4:49pm |
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