Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

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Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by g149 on Fri Mar 23, 2018 7:08 pm

I'm looking for a Radiator & Leaf Springs (or Leaf Assister) for my Daihatsu Hijet Pickup 2005.  Radiators listed seem to be 1990s and don't go up to my late 2005 model. Piaggio Porter listed radiators are cheaper and my Daihatsu badged pickup is stamped Piaggio on the body.  So will a Porter radiator fit?  Likewise with leaf springs!  Also, I've heard of spring assisters - are they recommended.  Advice please. Thanks.

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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by Woodie on Fri Mar 23, 2018 8:56 pm

I have got Radiators and leaf springs. Coil Springs Assister Kits for the rear leaf springs are expensive, when you can find them.

Easiest way is to take the top leaf from another pair of springs and angle grind the ends off and put the extra leaf under the top leaf obviously and bolt it together so that you you have a five leaf spring. The U bolts are just about long enough to cope with the extra thickness.
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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by kernowjon01 on Sun Apr 29, 2018 4:55 pm

You can get coil spring spring assisters from Custom Campers cost me £300 plus a bit.
Simple to fit.
Jon
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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by biofos on Sat Aug 11, 2018 1:35 am

Jon:

Just spied your post regarding coil spring assisters. Have these improved the ride of your van? My MPV when empty is very bouncy and I can't decide if the assisters will make it better or worse Smile  Also, what does the fitting entail please?

Thanks,

John.
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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by kernowjon01 on Sat Aug 11, 2018 11:24 am

Hi Bouncy would appear to indicate the shock absorbers need to be replaced.
Spring Assisters are great if your van has a "saggy back end.

The Spring assisters took me about 2.5 hours to fit - apart from a couple of spanners and socketts you need a jack and an axlestand. Before fitting the backend of my van drooped noticably - but that is a pick-up with a Romahome demountable pod plus gas bottles water etc etc.
Jon
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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

Post by biofos on Tue Aug 14, 2018 1:17 am

Many thanks for your reply, appreciated. Maybe 'bouncy' wasn't the best description. It tends to 'clatter' over the bumps, as if the springs are too rigid with little 'give' in them and the wheels skip from hump to hump rather than 'riding' the uneven surface. This disappears when the van is weighted in the back. I carted some stone slates home last month (weighed about 300kg) and the rear end ride was so much better - it rode the bumps properly and I could feel the rear end suspension working as it should. I regularly lubricate the leaf springs and this helps a bit. I'm sure the rear shockers are fine and there's absolutely no sag at all. Maybe this is simply a feature of a rear suspension designed to take 600kg+ being run unloaded. Thanks again,

John.
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Re: Radiator & Leaf Springs/Assister for my Daihatsu Hijet or Piaggio Porter?

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