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  1. #1
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    Default Prado air suspension performance

    Hello all,
    Hope you all had a good Christmas and have a good year ahead.
    This last December I took my Fortuner to Tankwa and must admit it performed like a charm on that over 150km exit to Ceres.
    I was wondering, real world living, how does the Prado with air suspension perform on those kinda roads i.e. specifically the corrugated gravel roads? The hammering it any suspension takes on that.
    I lowered the tyre pressure and really put foot and the Fortuner took it well. Though I did mess up one tyre that got some cuts and a slow puncture.
    So the question again is, can the air suspension on the VX Prado take that type corrugated gravel roads and how long will that air suspension actually last?
    Last edited by AK77; 2021/01/06 at 02:14 PM.
    2017 Toyota Fortuner 2.8 GD-6 4x4 A/T

  2. #2
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    Default Re: Prado air suspension performance

    Hi AK
    We recently undertook a 5400km trip through N-Cape, West Coast, Cederberg, Tankwa Karoo, Karoo NP and Mokala NP, towing the Excell. To me the biggest benefit of the air suspension is the self-levelling feature. It just keeps the whole rig stable on all types of surfaces. You are also able to switch through 3 settings from sport to comfort, giving a softer ride on some corrugated roads and harder on twisty roads.
    As to how long the system will last, difficult to say

    '15 Prado 4.0 VX
    '13 Jurgens Xcell

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  4. #3
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    Default Re: Prado air suspension performance

    Just a heads-up

    The KDSS suspension in the Prado is not an air suspension. It is hydraulic
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

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  6. #4
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    Default Re: Prado air suspension performance

    It has only airbags at the back. As said the shocks has 3 settings. I never use it, was either too soft or too harsh. Those long bump stops reduce travel, and it will hit the bump stops often on bad roads.

    A nice feature is the self adjustment to keep the same travel height with change in load. For off road and low speed you can increase the height, or lower it to hook a trailer or for loading.

    Its not in the same class as you find in the land rovers.
    Johan Kriel

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  8. #5
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    Default Re: Prado air suspension performance

    Quote Originally Posted by HennieC View Post
    Hi AK
    We recently undertook a 5400km trip through N-Cape, West Coast, Cederberg, Tankwa Karoo, Karoo NP and Mokala NP, towing the Excell. To me the biggest benefit of the air suspension is the self-levelling feature. It just keeps the whole rig stable on all types of surfaces. You are also able to switch through 3 settings from sport to comfort, giving a softer ride on some corrugated roads and harder on twisty roads.
    As to how long the system will last, difficult to say
    Thank you HennieC for the awesome reply. Wow, sounds like an amazing trip. All Iíd say is ďWish I was with with my FortunerĒ :-).
    Either entering or leaving Tankwa, did you do it from the southern entrance (from Ceres side)? Would like to know how the suspension took that?
    2017 Toyota Fortuner 2.8 GD-6 4x4 A/T

  9. #6
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    It has only airbags at the back. As said the shocks has 3 settings. I never use it, was either too soft or too harsh. Those long bump stops reduce travel, and it will hit the bump stops often on bad roads.

    A nice feature is the self adjustment to keep the same travel height with change in load. For off road and low speed you can increase the height, or lower it to hook a trailer or for loading.

    Its not in the same class as you find in the land rovers.
    There are no airbags in a Prado's suspension

    https://blog.toyota.co.uk/how-does-k...on-system-work
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

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  11. #7
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    Default Re: Prado air suspension performance

    Quote Originally Posted by Hedgehog View Post
    Just a heads-up

    The KDSS suspension in the Prado is not an air suspension. It is hydraulic
    Thank you too. Now thatís me learning something new :-).
    With the one post stating thereís airbags in the rear does the Prado adopt both, hydraulic and air suspension in the rear?
    Also read elsewhere there is no aftermarket replacement for the KDSS, do you know if true?
    2017 Toyota Fortuner 2.8 GD-6 4x4 A/T

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    Default Re: Prado air suspension performance

    Quote Originally Posted by Hedgehog View Post
    There are no airbags in a Prado's suspension

    https://blog.toyota.co.uk/how-does-k...on-system-work
    Did you owned a Prado?

    The TX and VX differ there.
    Last edited by JLK; 2021/01/08 at 12:57 PM.
    Johan Kriel

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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    It has only airbags at the back. As said the shocks has 3 settings. I never use it, was either too soft or too harsh. Those long bump stops reduce travel, and it will hit the bump stops often on bad roads.

    A nice feature is the self adjustment to keep the same travel height with change in load. For off road and low speed you can increase the height, or lower it to hook a trailer or for loading.

    Its not in the same class as you find in the land rovers.
    I sure it isnít :-). The question than is how well and how long will the Land Rover air suspension fair on the gravel corrugated roads last?
    I know from personal experience that on the Disco4 that air suspension does not last beyond the 120 to 140 000kms and needs replacement and thatís when used as a mums taxi i.e. practically no offroad?
    Aaaand about at twice the cost of the Prado
    2017 Toyota Fortuner 2.8 GD-6 4x4 A/T

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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    Did you owned a Prado?
    Letís hope a dealer or mac can confirm? Not saying either of you donít know.
    2017 Toyota Fortuner 2.8 GD-6 4x4 A/T

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    Default Re: Prado air suspension performance

    Quote Originally Posted by AK77 View Post
    Thank you too. Now thatís me learning something new :-).
    With the one post stating thereís airbags in the rear does the Prado adopt both, hydraulic and air suspension in the rear?
    Also read elsewhere there is no aftermarket replacement for the KDSS, do you know if true?
    As mentioned in the previous post, there are no airbags in the KDSS suspension system, it acts like a hydraulic stabilizer, or "spring helper" actually both. And can assist with springing, stabilizing and could also assist with better wheel travel in off road applications..

    You can fit aftermarket springs and shocks (better quality than stock) but you cannot lift an KDSS equipped suspension.. The Aussies do have some tricks though, but we here in RSA don't have the same
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

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    Default Re: Prado air suspension performance

    Quote Originally Posted by AK77 View Post
    I sure it isnít :-). The question than is how well and how long will the Land Rover air suspension fair on the gravel corrugated roads last?
    I know from personal experience that on the Disco4 that air suspension does not last beyond the 120 to 140 000kms and needs replacement and thatís when used as a mums taxi i.e. practically no offroad?
    Aaaand about at twice the cost of the Prado
    I sold the Prado on 180 k km, and had to replaced the compressor once. Further no issues.
    Johan Kriel

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  18. #13
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    Did you owned a Prado?

    The TX and VX differ there.

    The TX does not have the KDSS
    The TX does not have airbags.. only if they are installed aftermarket like Air helpers..

    Ek belowe jou my oom
    Last edited by Hedgehog; 2021/01/08 at 12:59 PM.
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    I drive a five cylinder bakkie and tow an army inspired van.

  19. #14
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    I sold the Prado on 180 k km, and had to replaced the compressor once. Further no issues.
    Jy moet jou geld gaan terug vra
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    I drive a five cylinder bakkie and tow an army inspired van.

  20. #15
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    Did you owned a Prado?

    The TX and VX differ there.
    Did you read the link I posted?
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

  21. #16
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    Default Re: Prado air suspension performance

    Quote Originally Posted by Hedgehog View Post
    The TX does not have the KDSS
    The TX does not have airbags.. only if they are installed aftermarket like Air helpers..

    Ek belowe jou my oom
    Dit weet ek. Ek praat van n VX.
    Johan Kriel

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  23. #17
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    Default Re: Prado air suspension performance

    Quote Originally Posted by AK77 View Post
    Letís hope a dealer or mac can confirm? Not saying either of you donít know.
    https://www.toyota.co.za/specs-compa...rado?model=27I

    https://blog.toyota.co.uk/how-does-k...on-system-work
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

  24. #18
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    Dit weet ek. Ek praat van n VX.
    Die VX se KDSS suspensie is hidrolies.. nie lugsakke nie

    kyk na die link wat ek gepos het
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

  25. #19
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    Default Re: Prado air suspension performance

    Quote Originally Posted by JLK View Post
    Dit weet ek. Ek praat van n VX.

    Hier is nog 'n verduideliking

    https://en.wikipedia.org/wiki/Kineti...pension_System
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    With a mild case of "Camping Personality Disorder" or CPD

    I drive a five cylinder bakkie and tow an army inspired van.

  26. #20
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    Default Re: Prado air suspension performance

    According to my knowledge the VX Prado has both the KDSS system and air suspension on the rear axle.

    These are two different systems, with the KDSS using hydraulics to stiffen the sway bars as you go around corners or slacken them on the straights and off road. The air suspension at the back is there to always keep the car level when laden or unladen.
    Last edited by Groen Ambulans; 2021/01/08 at 01:33 PM.

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