Leaf springs

Leaf Springs have been around for a long time. Here's why...

Leaf springs far outdate the motor vehicle itself. They used to be called carriage or laminated springs and their use can be traced back to medieval times. Although there are now newer technologies and many drivers think they are old fashioned, millions of off road vehicles still have them.

The low down on leaf springs

Load carrying

Leaf springs really are hard to beat in terms of load carrying ability, because the load in a leaf set-up is spread over a bigger area than the single point of coil springs or airbag suspension.

Multi-leaf semi-elliptical

These days most leaf springs come in multi-leaf or mono-leaf (a.k.a. parabolic) semi elliptical units. Older vehicles may have quarter-elliptical springs. Conventional multi-leaf springs have one main leaf that bolts to the frame of the vehicle.

Parabolic

A parabolic leaf spring is very much like the 'pack' of leaves in a multi-leaf unit. The steel used in the leaf is tapered with the thickest section at the centre of the leaf. In other words, this results in a parabolic spring delivering a similar function to the multi-leaf spring.

Lifespan

Of course no springs will last forever, especially when pushed to the limit. So the construction of multi-leaf springs means that if one fails, the others support it. A single parabolic leaf will not last as long as a single leaf. Parabolic springs normally come as a unit with two leaves for safety reasons.

How to know if your springs are failing...

  • After constant flexing and straightening, like any metal springs will lose their strength. Here are the signs to look for if you think your leaf springs are on the way out.
  • Reduced ground clearance
  • Nose diving under brakes
  • Excessive body roll when cornering & turning
  • Rear end drags or bottoms out under load
  • Unstable towing
  • A bumpy hard ride
  • Slow, unresponsive rebound

And finally...

Many drivers install a suspension lift-kit to their vehicle in order to get increased ground clearance, replacing the tired old springs. If you're one of them and you are continually carrying excess weight with the thought that your springs may need some loving, remember you can install new springs with enhanced capacity... which can be made to give up to 2 inches of lift to your the ride height.

Remember to give new Leaf Springs in an off road vehicle about 500km to settle then check all U-bolts and shackles again.

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  1. EF-THX-44HDE
    EFS Hi-Lux Rear Spring (300 Kg Constant Load)
    VMN offers EFS Rear Leaf Spring that is suitable with TOYOTA HILUX 4WD GUN125R, ...
    $386.42
    Add to Wish List
  2. EF-HOL-16
    EFS Dmax/Colorado Rear Spring (Hol-16)
    VMN offers rear leaf spring that suits Isuzu D-Max 2012+ and Holden Colorado ser...
    $353.35
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  3. SU-000296
    Tough Dog Hilux 05-15 Rear Leaf 0-300kg constant load
    VMN offers high-quality tough dog rear leaf spring capable of supporting up to 3...
    $265.00
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  4. SU-000264
    Leaf spring, raised 40-50mm, 500 kg+ Constant Load for Toyo...
    VMN offers Australian-made leaf springs capable of supporting the heavyweight of...
    $445.20
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  5. SU-000239
    Leaf spring, raised 40-50mm, 500 kg+ Constant Load for Toyo...
    VMN offers Australian-made leaf springs capable of supporting the heavy weight o...
    $442.25
    Add to Wish List
  6. SU-000263
    Leaf spring, raised 40-50mm, 300-500 kg Constant Load for T...
    For Hilux with medium weight after fitting a suspension lift, VMN offers 40-50mm...
    $425.20
    Add to Wish List
  7. SU-000262
    Leaf spring, raised 40-50mm, 100-300 kg Constant Load for T...
    VMN's 40-50mm leaf spring became one of our suspension component bestsellers esp...
    $415.20
    Add to Wish List
  8. SU-000237
    Leaf spring, raised 40-50mm, 100-300 kg Constant Load for T...
    VMN Leaf spring to suit Toyota Hilux 2005-2015, Vigo, N70, KUN26, 100-300 kg con...
    $285.50
    Add to Wish List
  9. EF-THX-42P
    Hilux Rear Parabolic Spring
    VMN offers EFSĀ  rear parabolic spring that supports medium-duty constant load u...
    $585.68
    Add to Wish List
  10. EF-THX-08HD
    EFS Hilux Vigo Rear Spring
    VMN offers EFS heavy-duty VIGO rear leaf spring that support heavy-duty loads up...
    $442.50
    Add to Wish List
  11. EF-THX-50HDE
    EFS HILUX REAR SPRING Suit Hilux 2015-1019+ 70mm
    VMN offers comfortable EFS rear leaf spring that are made from high-quality Allo...
    $386.42
    Add to Wish List
  12. EF-THX-42E
    EFS Hilux Rear Spring
    VMN offers EFS rear leaf spring that supports medium-duty loads up to 200kg.
    $285.64
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