| Topic: Volvo Removable Towbar
Message posted by Monty1508/2/2021 at 11:26am
Outfit: Lunar Cosmos 524 Location: London
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Quote: Originally posted by NoviceNorris on 07/2/2021
Speaking of Volvo tow bars has anyone heard of volvo factory fitted towbars being fitted too high and causing issues with ride height etc ?
Only reason I ask is I would love to consider buying a V90 for our next tow vehicle ??!!
Often overlooked, but the towball height (to centre line of ball NOT top of ball!) should be measured in laden conditions!
EC Directive 94/20/EC stipulates that a vehicle in Ďladen conditioní should have a towball height of between 350mm and 420mm. The problem comes in that no one has defined 'laden condition', is it just trailer attached at recommended noseweight, or is it entire train of trailer nose weight plus max capacity fully laden car at the other extreme! You'll find endless opinions it seems, but no definitive statements from any authority!
Then again you could interpret Directive as meaning that height MUST fall within declared limits under ALL laden conditions, from potentially lightest to heaviest, which is the way I look at it. Seems obvious to me, but others take a different view and are looking for a stated load!
One thing for certain, measuring an apparently 'too high' towball without any load is pretty pointless unless it's extreme!
Can't say I ever recall seeing what appears to be a too high tow hitch on regular cars, sometimes look suspect on pick ups, vans, 4x4 etc., certainly needed a drop plate on my Land Rover 110.
Bit obvious perhaps, but it's more than just complying with a measurement number, too high a hitch and you will likely drag back end of trailer, especially a long one like a caravan, on ground over uneven surfaces. Too low and tow bars, jockey wheels etc. near front of trailer will ground. Speed Control humps and hump back bridges are generally the greatest risk.