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Heat Exchanger / Shower System...How I did it!

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  • Heat Exchanger / Shower System...How I did it!

    I WILL NOT BE RESPONSIBLE FOR YOUR INSTALL IF YOU FOLLOW THESE INSTRUCTIONS AND SOMETHING GOES WRONG. DONT PLAY WITH IT UNLESS YOU KNOW WHAT YOU ARE DOING. IT IS A "HOW I DID IT" THREAD.

    After trying a freinds shower on a camping trip it became a must have. A trip to the Wandin 4WD show secured the kit and it was time to install.

    I have a 120 Series Prado and I have only seen one other install. I didnt like it for a few reasons but each to thier own. This is how I did it.

    The biggest hassle with the install is finding a spot to mount the exchanger and the pump. I did a recon trip to the engine bay the night before to see where I could place them. Funnily enough after I chose where I'd put them, I discovered the other install online....and we both chose the same locations. I just mounted mine differently.

    This first pic shows where the heat exchanger was placed. On top of the radiator shroud are two lugs with holes. I bolted a stainless steel plate onto them and then bolted the Exchanger to the plate. Two reasons...I felt the lugs may need to have the weight distributed a little more evenly than just on the lugs and it also gave extra strength to them.
    The Kit came with a couple of hard spacers for the exchanger to sit on but I made a couple of rubber ones so it had more shock absorbing properties.



    Mounting the pump was a little more tricky. My father who was helping me with this install suggested exhaust brackets. Bloody good idea!

    I think I used C17 brackets in case someone else needs to buy them. Basically we drilled a hole in the middle of the bracket...put a bolt through that and then held it in place with a nut. The pump was then attached as you would attach a piece of exhaust. If you look closely enough you can see the bolt that we added to the bracket below the pump...It then was bolted on to the wheel well. By using another nut we were able to make it sit above the wire loom that is in the same spot on the wheel well. It is as solid as a rock...The pump sits above everything which may help it to stay cool as well I guess, I will try to get some better pics of that setup soon.



    In the image below you can see the exchanger in the foreground and the pump in the background.



    Once both those items are mounted it a very simple install to put in the hoses and electrical wires.

    I wont talk much about them unless someone has a specific question.

    Here is an image of the where I placed the hoses. On the back firewall I removed a hose that connected the inlet and outlet pipes and put my two hoses onto the respective inlet and outlet pipes. Basically doing the same thing but now through the exchanger.

    I have circled the ones I used. Those hoses run off to the exchanger,



    For the pump switch I wanted an easy access place to reach when you are getting in and out of the shower....seeing the shower rose hose connects to the exchanger at the front of the vehicle I figured at the front would be a good spot for the switch. I ended up mounting it on the plastic flange near the drivers side headlight.



    Well thats pretty much the basics of it. If anyone has any questions feel free to ask. I can take other pics if needed too.

    I hope this may help anyone else trying to install a shower kit.

    The kit I used was a pirahna kit. On close inspection of the unit its a McPauls Auto Shower Kit. The Pirahna guy I bought it from said they had bought a company and had improved the product so I guess they bought out McPauls.
    2005 VX Turbo Diesel + a heap of add-ons.

  • #2
    It's been two years since your post on the shower install and I was wondering how the heat exchanger mounting has stood up to two years of punishment. I have just obtained a shower system for my 4wd and have to find some where to mount it but was a little worried about the strength of the brackets where you have mounted yours. Has any one else installed one and where did they mount it.
    Thanks Quicky
    04 GXL 3L TD Toyota Bullbar 2"TJM lift TJM OX hyd winch Blackwidow draws 40LT Engel dual batteries Mickey Thompson ATZ's Steinbauer P Box Airtek snorkel (colour coded)
    Its now gone sad to say but enjoying the replacement LC200 with a BIG list of bits to add.Lifted pre rego

    Comment


    • #3
      The Prado gets driven daily and has done many trips including the High Country etc. The mounts are still going strong and the shower hasn't missed a beat.
      2005 VX Turbo Diesel + a heap of add-ons.

      Comment


      • #4
        Thanks for the info
        Les
        04 GXL 3L TD Toyota Bullbar 2"TJM lift TJM OX hyd winch Blackwidow draws 40LT Engel dual batteries Mickey Thompson ATZ's Steinbauer P Box Airtek snorkel (colour coded)
        Its now gone sad to say but enjoying the replacement LC200 with a BIG list of bits to add.Lifted pre rego

        Comment


        • #5
          Hose diameter

          Hi

          A mate and I built an exchanger last weekend and I am now ready to install it. May I ask what size heater hose the 120 series uses, mine is a 2003 petrol model but I assume these to be the same as the diesel??

          thanks

          Anthony

          Comment


          • #6
            On heater hose sizes, my diesel uses 3/4 inch hoses - which is the same as the petrol 90 series I had before, and the 4Runner before that. In fact, my shower has been around for years and years, and is still great value!
            2007 Prado GXL, Silver, D4D manual
            ARB steel bar, HR tow bar, dual batteries, OME suspension w 50mm lift, BF Goodrich A/Ts, GME 3420, Twine shower and KK Classic CT

            Comment


            • #7
              Hi
              thanks for the information, hopefully mine will be as long lasting.
              Cheers
              Anthony

              Comment


              • #8
                I bought a Coleman 'Hot water on demand' - cheaper and faster, plus it's portable.

                :wink:

                Comment


                • #9
                  Re: Heat Exchanger / Shower System...How I did it!

                  Updated with new pics
                  2005 VX Turbo Diesel + a heap of add-ons.

                  Comment


                  • #10
                    Re: Heat Exchanger / Shower System...How I did it!

                    Hi Embi
                    This is my latest project
                    So i have bought the components and now need to install one.
                    I am a little perplexed with the engine hose connections and was hoping you could clarrify them for me before i commence.
                    Did you cut the indicated hoses and use a "T" piece to run then through the exchanger?
                    Your post suggests to disconnect the two hose pipes and connect them via the heat exchanger but i dont see how thats possible :?:
                    Can understand one of those hoses being disconnected, run to the exchanger, and then continueing via the exchanger to its original, pictured , position.
                    Sorry i must be missing something simple but would really appraciate clearing it up before i cut into hoses etc.
                    thanks in advance

                    Stephen
                    06 GXL D4D 5 speed Auto. Dual battery,Engel 40ltr fridge,Lifestyle fridge mount, Bilstien/Ridpro 2" lift, ARB deluxe bullbar, Safari snorkle, Icom CB , milford barrier,Rear door table, 04 Bushranger camper.

                    Comment


                    • #11
                      Re: Heat Exchanger / Shower System...How I did it!

                      Stephen, I don't think Embi gets on here to often. Probably wouldn't hurt to shoot him a PM for a quicker response. Hope you sort it out, Its a mod I want to get done to mine at some stage.

                      Joel
                      2000 Toyota Prado GXL- Gone, but not forgotten...
                      '92 Landcruiser HDJ80 4"lift 33's
                      '91 Surf LN130 coil sas, 4.8s, 35s
                      '12 Jayco Eagle Outback

                      Comment


                      • #12
                        Re: Heat Exchanger / Shower System...How I did it!

                        All worked out

                        Thanks very much Embi for getting in contact with me
                        Another great mod in progress thanks to this forum
                        06 GXL D4D 5 speed Auto. Dual battery,Engel 40ltr fridge,Lifestyle fridge mount, Bilstien/Ridpro 2" lift, ARB deluxe bullbar, Safari snorkle, Icom CB , milford barrier,Rear door table, 04 Bushranger camper.

                        Comment


                        • #13
                          Re: Heat Exchanger / Shower System...How I did it!

                          Looks like a great mod, how much are the kits?

                          Comment


                          • #14
                            Thinking of adding one of these glind showers any new input from members. Can the photos be refreshed I can't view them.

                            Cheers
                            Leigh

                            Comment


                            • #15
                              Noticed the pics didn't work anymore, so with the power of http://archive.org here they are
                              http://imgur.com/a/5I6O2
                              2009 GXL 120 Series [URL="http://www.pradopoint.com/showthread.php?28535-Grims-2009-120-GXL"]Grims Rig Build Up[/URL]

                              Comment

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