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Home > Camping, Caravanning and Holidays > Towing in Sixth |
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lol geoff Member Since: 27 Mar 2013 Location: Hartley, Kent Posts: 77 |
Can't say I've had any problems pulling approx 1 3/4 tonne of trailer and horse. |
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23rd Apr 2015 7:51 pm |
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IDL Member Since: 25 Apr 2014 Location: Hampshire Posts: 155 |
Van is only MTPLM 1275kgs but well loaded with kit and no probs in 6th unless it's a big hill |
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23rd Apr 2015 9:08 pm |
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Spatch Member Since: 20 Feb 2015 Location: Kent Posts: 170 |
Thanks for your replies. So obviously you do not feel any vibrations in 6th at 60mph.
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23rd Apr 2015 9:41 pm |
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IDL Member Since: 25 Apr 2014 Location: Hampshire Posts: 155 |
I often use cruise control set to 60 when towing on the motorway. If speed drops more than a couple of mph on a hill I know I need to drop down to 5th as it's not got the torque to pull it.
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24th Apr 2015 8:19 am |
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Dartman the one Member Since: 04 Apr 2013 Location: Seville, Spain Posts: 1687 |
Max torque is at 1750rpm, you should have plenty at 60mph as it is just over 1800rpm. even my auto changes into top at about 55mph when towing my PC is slightly to the right of Genghis
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24th Apr 2015 9:04 am |
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Spatch Member Since: 20 Feb 2015 Location: Kent Posts: 170 |
Yes, its not the torque that is the problem, its the tingling/vibration that we feel when towing in 6th at 60mph, or there abouts. The torque is there but when you put your foot down to generate the required torque to tow we also get this vibration, and it is this vibration which is stopping me from towing in 6th. I am trying to see if others experience this, which would indicate that it is trait of the engine/mountings/drive train (if it is a trait then the design/product testing is a bit crap). I used to tow with an S Max and although a great engine, it didn't quite have the torque to pull in 6th properly, but it was always smooth! Interestingly, I also get a slight judder from the clutch when initially engaging (most notably) 1st to 2nd when towing. Not noticeable really when solo. I am wondering if this has anything to do with the vibration! We have a Bailey Provence which is about 1500KG MTPLM. Cheers, BMW X3 30d M Sport - Current (problem free) 2014 SD4 Auto HSE Lux - Gone (too many problems) 2012 TD4 Manual XS - Gone (too many problems) |
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24th Apr 2015 9:15 am |
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IDL Member Since: 25 Apr 2014 Location: Hampshire Posts: 155 |
No, I don't get the vibration that you describe. |
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24th Apr 2015 10:21 am |
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Dartman the one Member Since: 04 Apr 2013 Location: Seville, Spain Posts: 1687 |
The quote when you put your foot down, you can't, you can gently increase the throttle but that's about all. With the auto in command drive it will still kick down if too much throttle is used, it may well be that is why many who tow go for autos, so easy so smooth, my previous Santa Fe had a power box fitted to overcome the problem you are experiencing, it increased torque at lower rpm, it did help but it was geared the same as FL2 in 5th my PC is slightly to the right of Genghis
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24th Apr 2015 11:46 am |
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tim_roberts Member Since: 10 Aug 2013 Location: Bournemouth Posts: 215 |
me neither |
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24th Apr 2015 11:47 am |
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fredastaire Member Since: 03 Dec 2012 Location: Holbrook Posts: 721 |
May I risk being a bit technical ?
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25th Apr 2015 9:49 am |
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dunkley201 Member Since: 09 Jul 2011 Location: Lincolnshire Posts: 2739 |
When towing I tend to drive on the rev counter rather than the speedo. Revs should be kept in the 1800 to 2000 band to benefit most from the excellent torque (which is exceptional for a small diesel). Below 1700 you will struggle as the torque falls off a cliff, go much above 2000 and you will start to use fuel. With my auto it is reluctant to change up to 6th until at least 62mph indicated. If you then settle at the legal 60 mph you will feel it beginning to vibrate/shudder if you go any slower, indicating it would prefer 5th. In practice, I tend to use 5th mainly in UK, achieving around 22mpg (towing 1450kg). In France, higher speeds are permitted, so 6th can be used in cruise, although consumption can reduce to 19mpg. I previously had a manual SE which gave similar results, but with fuel consumption about 3mpg better. 10MY (Sept 09) TD4 HSE Auto in Stornoway Grey (Now Gone)
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25th Apr 2015 2:31 pm |
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Spatch Member Since: 20 Feb 2015 Location: Kent Posts: 170 |
Hi Fred,
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25th Apr 2015 2:44 pm |
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alans835 Member Since: 14 May 2015 Location: Highlands Posts: 67 |
Not sure if this would help, but I have heard a lot of people raving about this terraclean stuff they run through your engine it's supposed to clean it out and improves performance and fuel consumption. I think it's about £100 to get done I suppose it acts like a spring clean for your engine. Might be worth a try. Hope you get to the bottom of the problem. Regards
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15th May 2015 1:37 pm |
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The Road Toad Member Since: 02 Mar 2010 Location: Warwickshire Posts: 280 |
I agree with others who tow using the Revs gauge rather than the speedo.
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2nd Jun 2015 6:54 pm |
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