 | Home > Puma (Tdci) > puma gearchange clunking |
 
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| newhue Member Since: 28 Apr 2014 Location: Brisbane Posts: 351  
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agree, two pin and four pin shouldn't be used. But on the other hand if we didn't have the internet to bani miss information around Landy Andy could possibly be off the road into a tree because Land Rover would say that noise is normal.
Depends who's miss information is relevant. But one pin it is from now on.  My Defender and travels |
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5th Aug 2014 5:02am |
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| Regard Member Since: 08 Dec 2011 Location: RSA Posts: 251  
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Ok....so I can sleep better at night then? So, since I have a 2011 build year according to my VIN, I should not have a 1 pin/2 gear diff but rather a 2 pin/4 gear diff??? |
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5th Aug 2014 5:27am |
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| newhue Member Since: 28 Apr 2014 Location: Brisbane Posts: 351
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well..... if you believe Land Rover. Also not hard to pop the filler off the front diff, shine a torch in, and satisfy yourself. But yes having a 2011 you should be good to go. My Defender and travels
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5th Aug 2014 5:29am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5662 
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No, you can't. There is only one way to confirm yours, and that's to check it out. But, if you have had it replaced, it won't have done high milage. |
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5th Aug 2014 7:15am |
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| milesr3 Member Since: 12 Feb 2013 Location: Suffolk Posts: 873 
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When we first got ours it used to bang and clank a lot with every gearchange. It was almost impossible to do a smooth change. We had some issues with missing servicing by the supplying dealership and got our local dealer to do a FULL service, including changing all the gearbox and axle oils. It was really noticeable how much smoother and quieter the drivetrain was with fresh fluids. I also think there is some degree of adaptation in the mapping with the rev hang facility, which gets messed up by switching between regular and v-power / millers additive. Swapping between fuels makes the part throttle response on mine very odd for the first half a tank and it's impossible to do a smooth change. Also trying to 'help' the smooth change with a little throttle (like I have to in my Elise) makes it worse. If you just take your time and let it do its thing, it seems to settle down after a while and you get completely smooth, silent gear changes every time; even in lower gears. The only bit of technique that I've learned for a super smooth change is to lift off the throttle so that it is at a constant speed and not accelerating when upshifting and getting the clutch disengaged quickly so that it begins coasting from this unloaded state before engaging the next gear. In summary, even with the same vehicle over 9,000 miles I've observed significant variability in the smoothness of the gear change. It shouldn't be a surprise then that different vehicles have different characteristics. |
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5th Aug 2014 9:47am |
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