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150 Kakadu rear airbag to coil conversion spring

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  • 150 Kakadu rear airbag to coil conversion spring

    Following on from the Grande airbag to coil conversion spring, there is now one specific for the Prado Kakadu



    amts
    Ninja Poster.
    Last edited by amts; 09-01-2018, 11:55 AM.

  • #2
    Very nice work, well done!

    Best

    Mark
    2006 GXL petrol auto. ARB deluxe bar x3 HID IPF's, ARB alloy roofrack, ARB awning, BFG A/T, Safari snorkel, Piranha breathers, Pacemaker extractors, custom Ironman 45710FE 436-569mm with Dobinsons 350, custom Ironman 45682FE 383-618mm with Dobinsons 487, Firestone kevlar 60psi airbags, 30mm extended Roadsafe links, AMTS bashplate and recovery points, ABR Flyer with Powersonic AGM.

    Comment


    • #3
      Hey Andrew, so how do these work with the removal of the OEM bags? What is involved in fitting them? How do they affect the height adjustment in the rear of the Kaka or is that bit disabled when you change to these?

      Comment


      • #4
        Summary of steps:
        Remove airbags
        Fit springs
        Pull a few fuses to disable the compressor
        Adjust the height sensor to match the lifted height and to help with autolevelling headlights

        Comment


        • #5
          Very interesting Amts
          Not my cup of tea but hat off to the effort you have put into get this far hopfully it works out long term

          Originally posted by fido666 View Post
          Hey Andrew, so how do these work with the removal of the OEM bags? What is involved in fitting them? How do they affect the height adjustment in the rear of the Kaka or is that bit disabled when you change to these?
          You will loose all hight / load adjustment.

          Comment


          • #6
            Originally posted by Phs View Post
            Not my cup of tea
            I used to think the same
            You will loose all hight / load adjustment.
            For heavy towers, the springs can still be supplemented with coil assist airbags.

            Comment


            • #7
              Originally posted by amts View Post
              I used to think the same

              For heavy towers, the springs can still be supplemented with coil assist airbags.
              What changed your mind?
              I know you have stated els where reliability, have you had any issues with the factory setup ?

              Comment


              • #8
                Originally posted by Phs View Post
                What changed your mind?
                I know you have stated els where reliability, have you had any issues with the factory setup ?
                Airbags blew in the middle of an offroad trip. Drove 300km on bumpstops, max 50km/h on country highway with hazards on and trying to find the smoothest part of the road. Meanwhile, the stuff in the back was bouncing around with every minor bump on the road. Took more than twice as long to do the trip back.

                Got home, slept overnight, took the 2nd car and trailer back to where we left the family to continue the rest of the trip on tarmac. We were on a trip with interstate family.

                Comment


                • #9
                  Not good at all and Fair enough for not wanting to give them another go

                  Any indication for cause of failure ? Were they factory bags or aftermarket
                  Keen to know for my setup
                  Phs
                  Senior Member
                  Last edited by Phs; 06-08-2017, 10:01 PM.

                  Comment


                  • #10
                    Originally posted by Phs View Post
                    Not good at all and Fair enough for not wanting to give them another go

                    Any indication for cause of failure ? Were they factory bags or aftermarket
                    Keen to know for my setup
                    Factory airbags were perishing at the joint between rubber bag and steel base. Went up a sandhill and at the first full flex, the airbag popped.

                    Didn't want to risk any further damage so unloaded and got the rest of the family out with the other Prado in a couple of trips so that I can climb the hill with as minimal load as possible. While waiting, a few passersby came by for a look see. After some discussion, we levelled out the moguls for the hillclimb and between us and the helpers, we had 4 sets of maxtraxs laid out in an alternate pattern all the way up the hill so that it was a controlled ascent in low range. Traction control helped when the tyres came off the Maxtrax.

                    Comment


                    • #11
                      I can see why you have decided to convert.

                      Check this set up, I like this guys Suspension build https://youtu.be/pXZkBfhvk8w

                      Now I'm kinda sketching about the bags in my car hahah.

                      Comment


                      • #12
                        150 Kakadu rear airbag to coil conversion spring

                        I've got 265000 on original bags. I flex it. Tow with it and generally beat it around.
                        I've yet to damage a bag. I had a slow leak in one and replaced it with a second hand unit. Still going.

                        It's not like it's a China tea cup in a tornado. More bags survive than pop.
                        Piggy
                        Water pistol pilot.
                        Last edited by Piggy; 16-08-2017, 04:41 PM.

                        Comment


                        • #13
                          Originally posted by amts View Post
                          I used to think the same

                          For heavy towers, the springs can still be supplemented with coil assist airbags.
                          Side note question: Do you think you could rig the existing compressor up to the coil assist airbags? So in effect, all you are doing it adding coils to the rear? So everything works as it should, but now there is no risk of a bag popping and running on bumpstops? As to me, as a Kakadu owner, would be the best outcome.
                          [B]2009 150 D4D Kakadu[/B] | Ebony Blue | TJM Winch Bar

                          Comment


                          • #14
                            Originally posted by ephesiangts View Post
                            Side note question: Do you think you could rig the existing compressor up to the coil assist airbags? So in effect, all you are doing it adding coils to the rear? So everything works as it should, but now there is no risk of a bag popping and running on bumpstops? As to me, as a Kakadu owner, would be the best outcome.
                            Coil assist airbags are meant to have pressure added without the load. So it works slightly differently to the factory airbags whereby, due to the fold in the airbag, it allows the airbag to expand and contract with air volume.

                            To rig coil assist airbags up to the factory compressor, you would need to take the height sensor control out of the loop and instead, add a pressure dial into the loop.

                            Comment


                            • #15
                              Originally posted by amts View Post
                              Coil assist airbags are meant to have pressure added without the load. So it works slightly differently to the factory airbags whereby, due to the fold in the airbag, it allows the airbag to expand and contract with air volume.

                              To rig coil assist airbags up to the factory compressor, you would need to take the height sensor control out of the loop and instead, add a pressure dial into the loop.
                              OK thanks amts,

                              Worth a shot. I really like the auto height adjustment (part of reason of buying the Kakadu) but am dubious now them failing. I guess to counteract the risk, I can replace backs with new ones. But like some have said above, more have not failed than have!
                              [B]2009 150 D4D Kakadu[/B] | Ebony Blue | TJM Winch Bar

                              Comment

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