adrianp
Member Since: 22 Oct 2016
Location: Bucks
Posts: 7
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Hi,
I've got a D3 auto and was looking at an on-line copy of the owners manual for towing it states that:
"GEAR CHANGING
To avoid overheating the gearbox, and the clutch in manual gearbox vehicles, it is not advisable to tow heavy trailer loads at speeds of less than 32 km/h (21 mph) using the main gearbox in high range. Select low range instead"
I was out in the car today towing and was looking at the printed manual in the car for something else and noticed that this paragraph doesn't exist in the printed version. It had a little statement on manuals but nothing mentioning autos and the low range setting.
I typically tow ~3t+ and when I get to where I'm going it's speed restricted so you do end up driving at about 15-20Mph (paved roads). Any thoughts ? Does anyone use low range when towing at low speeds ?
thanks,
adrian.
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 14th Jan 2017 9:24 pm |
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Hanechdene
Member Since: 23 Jun 2009
Location: High Wycombe
Posts: 570
  
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Yes I always use low box as you have more control and always led to believe it places less strain on it.
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| 14th Jan 2017 9:35 pm |
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RDR
Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 2260
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If im in the field towing ill use Low as it stops me getting in a pickle. For road I always use high range even in long traffic jams or slow traffic. Never new this aspect though. MY06 S - Gone but not forgotten
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| 14th Jan 2017 9:49 pm |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20732
  
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The TCC locks up at a lower road speed in low range than that of high range, and prevents excessive slippage (and subsequent wear+tear) within the TC, as well as keeping the ATF temperatures lower  My D3 Build Thread
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| 14th Jan 2017 9:55 pm |
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RDR
Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 2260
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Everyday is a school day MY06 S - Gone but not forgotten
MY12 HSE - Gone
MY16 HSE Luxury - Sold
MY20 D5 HSE - Sold
Current RR L460 PHEV
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| 14th Jan 2017 10:03 pm |
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adrianp
Member Since: 22 Oct 2016
Location: Bucks
Posts: 7
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Thanks for the feedback - glad I spotted it and will keep using it !
adrian.
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| 15th Jan 2017 11:15 am |
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Alan B
Member Since: 12 Feb 2013
Location: Fife
Posts: 6528
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RDR wrote:If im in the field towing ill use Low as it stops me getting in a pickle. For road I always use high range even in long traffic jams or slow traffic. Never new this aspect though.
+1 but I use low range for reversing
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| 15th Jan 2017 12:26 pm |
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Erea
Member Since: 19 Mar 2012
Location: Munster
Posts: 1509
 
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+1 for low range in a field
Mine is a manual so definitely +1 low range reversing with a trailer
I know a person who even uses low range to get moving on a road with a very heavy load and then on the move switches to high range.
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| 15th Jan 2017 2:42 pm |
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