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  • What intervals are the D-4D fuel filters replaced?

    Wanted to ask if anyone knew at what km intervals the two fuel filters (one at the tank and the one in the engine bay) are replaced?
    2014 Toyota Prado 150 D4D Auto (facelift); ARB Deluxe Bullbar; OME 2" Lift; Rhino Pioneer Platform Rack; Redarc BCDC 1225 with Optima Yellow Top; BF Goodrich Mud Terrain KM2; Lightforce Genuine Custom 70w HID; GME UHF; Safari Snorkel; Rigid Industry SR-Q2 side lights (yet to be installed); Domin8or winch (yet to be installed)

  • #2
    The filter next to the tank is supposed to be replaced every 20,000 as per service booklet. The filter in the engine bay (with water sedimentor) does not require periodic replacement according to Toyota service booklet and advice at the service department. They will check the sedimentor every service. It only needs attention when the warning light appears on the dash! I drain it monthly as part of my normal maintenance.
    Dave
    Views expressed are mine alone and are not intended to compromise the integrity of my employer nor offend those who may read such views.
    Bugger Bali, get out and see Australia before we sell it all to China.

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    • #3
      Toyota have always changed the filter under the bonnet, and never changed the one between the fuel tanks, which I prefer as this is the one that provides the most protection for the engine / injectors, and the price is ~ $58 vs $84 for the fuel tank filter. I changed the fuel tank filter myself recently (see other thread below), and found it probably didn't need changing. I guess this would depend on your fuel supply quality and kms travelled.

      http://www.pradopoint.com/showthread...filter#p160454
      2014 Kakadu V6, HR Towbar, MSA seat covers, Scan Guage II.

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      • #4
        I'm pretty sure the between tank filter protects the pump in the main tank. The pump is quite expensive if it requires replacing.
        2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter

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        • #5
          The filter between the tanks is changed as detailed in the service book, the main fuel
          filter in the engine bay is only changed when the light on dash indicates it needs doing
          at least that is what I have been told. I myself have gone down the path of some of the 150
          owners and have fitted an additional fuel filter with water detection alarm that is guaranteed to
          stop 98% of water and filters to 10 microns, I have fitted this filter before the Toyota filter. I
          will change this every 50000KMs as recommended by the manufaturer.

          Hopefuly this will provide better protection from unrelaible fuel supplies whilst touring.

          Cheers

          LeighW
          HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

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          • #6
            My work Hilux with a D4D had 2 of its fuel injectors fail and replaced by Toyota. They said the fuel was contaminated. When questioned about the filter and the fuel in the tank, they said they didn't replace the filter, as they only do this when the light comes on, and they also didn't drain the fuel tank of the contaminated fuel.

            I took the vehicle to the usual mechanic who replaced the filter and drained the tank.

            Mark
            '05 Prado GXL TD/Auto
            ARB bullbar
            12,000lb Ironman winch
            Brown Davis Bash Plate
            Ultimate Suspension
            Twin Hi-Clones
            DPChip
            Dual Batteries
            Safari Snorkel - Donaldson pre-cleaner
            Cooper ST's
            Outback Swan

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            • #7
              Can anyone tell me how to release the orange clips on the underbody fuel filter (the one that has to be replaced every 20000km).
              Also does the filter under the bonnet need to be primed when the underbody filter is replaced.
              thanks

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              • #8
                leigh,
                I had the same type of arrangement on my old 80 series but I have read an artical by Berrima diesel the says an extra filter put strain on the fuel pump of the later type fuel systems therefore I have not been game to fit one on my D4D.What brand of filter did you fit. When you say you fitted it before the Toyota filter I assume you mean the one under the bonnet.

                Cheers
                Hunty

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                • #9
                  Hi Hunty,

                  Yes the filter (Raycor 230R) is mounted beside the OEM filter in the engine bay.

                  Can't see the filter causing any problems as it has a very low insert loss when
                  clean, and I'll most likely change it annually.

                  Cheers
                  LeighW
                  HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

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                  • #10
                    Leigh,
                    Thanks for the info I will look into this.
                    Cheers Hunty

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                    • #11
                      Originally posted by hunty View Post
                      Can anyone tell me how to release the orange clips on the underbody fuel filter (the one that has to be replaced every 20000km).
                      Also does the filter under the bonnet need to be primed when the underbody filter is replaced.
                      thanks
                      As long as you don't drain to much out of the fuel lines the car will most likely start without
                      priming the filter. The engine will however "stumble" when the air lock reaches the injector pump
                      it will then pickup again once the air lock clears.

                      Cheers
                      LeighW
                      HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

                      Comment


                      • #12
                        Hi all, just completed the 120,000km service on my 2007 GX Prado. I purchased the fuel filter that goes between tanks using the method described here on PP, many thanks for the advice of others. It took about 5 minutes to complete the task. Very little fuel drained from the lines and no hesitation was noticed when the vehicle was restarted.

                        I haven't changed the under bonnet filter as the dash light hasn't come on, additionally, I haven't tried to drain it to check if there's any water in there as I figure if the dash light isn't on and the engine is running fine then I won't bother.

                        My point in adding to this thread is that I decided to cut the filter apart to check for gunk or black residue as had been noticed by other members. Using a hack saw I cut both ends from the metal canister off. I haven't posted any pics because there's nothing really unusual to show. What I found inside was a corrugated paper element that was very clean. To this end I was very pleased. The upshot is by doing it myself I know the filter was changed, I was able to inspect the filter for contaminants, and the PP website was useful to complete the job. Next on the list is to adjust the handbrake at the rear wheels.

                        Cheers to all.
                        Tim
                        2007 GX, Gold colour, Koni raid shocks, Kings progressive springs, polyair red in rear springs; 2" lift; MT ATZ 5 rib tyres. RanOx unit, home made rear storage system.

                        Comment


                        • #13
                          Just a short awakening for all to see... The engine receives all it's fuel via the under bonnet filter from the main (front) tank. And only that tank. Which is sucked via the injector pump on the engine. Now, that main tank is constantly replenished of fuel from the rear tank via a recirculating pump, mounted within, through a venturi effect. That venturi sucks fuel from the rear tank. The recirculating does not supply anything, it just recirculates. As the fuel recirculates, in and out back into the tank, it is constantly filtered via the centre, under body filter. That filter filters 100 times more fuel then the under bonnet one as it is under constant use. The under bonnet one only filters what is consumed by the engine.
                          That is the reason why TOYOTA schedules the replacement of the under body filter many more times more often then the main filter. It does more work.
                          I concluded that after a breakdown that required TOYOTA to rectify, under warranty. Of course I quizzed the service manager as to the workings of the whole fuel system. He even supplied a schematic diagram of it. That was a revelation to the unnecessary complication to it all.
                          I hope this will shed some light on it all.
                          Thanks for reading.
                          Michael
                          08 Prado GXL D4D. TJM B/B. 12000lb Winch, 10mm synthetic rope. Rear air bags. Racor fuel filter. Dual Batts + Solar on roof. Reversing camera and censors. GME UHF. Kiwi fuel computer. Doing it with courage and determination...

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                          • #14
                            My Racor is recommended every 16,000 km. After talking to Roo was looking at 20k intervals on Toyota filter. Might be lazy and just do both together every 15,000 km to be safe.
                            [CENTER][B][U]Matt
                            [/U][/B]2012 Silver GXL TD 6 Speed manual with some stuff..
                            [/CENTER]
                            [CENTER][SIZE=2]My 2008 Lifestyle 360i camper - [URL]http://myswag.org/forum/index.php?topic=21797.0[/URL]
                            My 4WD Action write up 2004 120 V6 Prado - [URL]http://www.4wdaction.com.au/articles/2012/complete-package[/URL][/SIZE][/CENTER]
                            [SIZE=2]
                            [/SIZE][CENTER][SIZE=2]
                            [/SIZE][/CENTER]

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                            • #15
                              Originally posted by ff1_69 View Post
                              Just a short awakening for all to see... The engine receives all it's fuel via the under bonnet filter from the main (front) tank. And only that tank. Which is sucked via the injector pump on the engine. Now, that main tank is constantly replenished of fuel from the rear tank via a recirculating pump, mounted within, through a venturi effect. That venturi sucks fuel from the rear tank. The recirculating does not supply anything, it just recirculates. As the fuel recirculates, in and out back into the tank, it is constantly filtered via the centre, under body filter. That filter filters 100 times more fuel then the under bonnet one as it is under constant use. The under bonnet one only filters what is consumed by the engine.
                              That is the reason why TOYOTA schedules the replacement of the under body filter many more times more often then the main filter. It does more work.
                              I concluded that after a breakdown that required TOYOTA to rectify, under warranty. Of course I quizzed the service manager as to the workings of the whole fuel system. He even supplied a schematic diagram of it. That was a revelation to the unnecessary complication to it all.
                              I hope this will shed some light on it all.
                              Thanks for reading.
                              Michael
                              Thanks Michael, that makes a lot of sense.
                              My 150 build - http://www.pradopoint.com/showthread.php?27423-A-Random-approach-to-a-Bluestorm-150-GXL-D4D-automatic

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