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tow bar

PostPosted by juan » Sun Dec 11, 2016 11:01 am

Hi All, Can anybody give me advice on what tow bar I need for my 2008 Rav4, I had one fitted but when I tow my caravan the nose is to low and the jockey wheel catches some speed bumps. I have the load distrabution right so it is not nose heavy also when unhitched the tow ball measures 35cm from the floor.Thanks in advance also A merry Xmas to fellow members.
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Re: tow bar

PostPosted by northern_lad » Fri Dec 16, 2016 11:25 pm

The tow ball should be between 350 and 420 MM from the floor on level ground.

Your caravan hitch height should be similar and the car suspension should not drop more than 25mm when the caravan is attached. Do you load the boot with lots of weight ?
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Re: tow bar

PostPosted by Phaeton » Sun Dec 18, 2016 5:41 pm

We have the same issue with our 2007, also happens when I put the car transporter on, the default setup is too low, unfortunately as ours is a detachable there's nothing we can do about it.
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Re: tow bar

PostPosted by juan » Wed Dec 28, 2016 11:25 pm

Hi thanks for the info, as I said my towbar is 35cm from the floor before I hitch up and then drops after I hitch up, I don't load the boot with anything heavy so I am still at a loss of what to do. Maybe a witter detachable towbar might be the answer with a swan neck. A happy new year to all and thanks for your replies. Juan.
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Re: tow bar

PostPosted by Phaeton » Thu Dec 29, 2016 12:12 am

New rear springs or gas shocks
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Re: tow bar

PostPosted by juan » Tue Aug 29, 2017 1:01 pm

Hi all, Can any anybody tell me if it is legal to use a drop plate on my Rav4 2.2l to raise the towball height as my current towball is to low when towing my caravan.
Thanks in advance. Juan
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Re: tow bar

PostPosted by Phaeton » Tue Aug 29, 2017 1:17 pm

Don't see why not unless there is something specific in the manufacturer's instructions, they are a bit low aren't they, I ground out the jockey wheel in full up position over speed bumps no matter how slow iI go. Unfortunately mine is a detachable swan neck so I can't do it.
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Re: tow bar

PostPosted by Two-T » Tue Aug 29, 2017 2:32 pm

juan wrote:Hi all, Can any anybody tell me if it is legal to use a drop plate on my Rav4 2.2l to raise the towball height as my current towball is to low when towing my caravan.
Thanks in advance. Juan


Don't see why not unless there is something specific in the manufacturer's instructions, they are a bit low aren't they, I ground out the jockey wheel in full up position over speed bumps no matter how slow iI go. Unfortunately mine is a detachable swan neck so I can't do it.


Wrong. Drop plate can be used only to drop, not raise!
I have investigated this route with my Avensis, as it went very low. You are NOT allowed to use a drop plate to raise the towbar, as it changes the balance of the car.
Drop plate can only be used with designated towbars.

:-(
From:
https://www.towbarexpress.co.uk/guide/towball-heights/
Look at the bottom of the page:

Can I use a ‘raiser plate’ to increase the towball height?

No, under no circumstances should you raise the height of your towball.

To do so could significantly increase the leverage on the towbar/towball interface. This could result in damage or failure of one of the towing system components. It would also almost certainly invalidate the EC approval of the towbar.

It would also almost certainly invalidate the EC approval of the towbar.
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