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  • Exhaust smell

    My D4D seems to have a strong exhaust smell . Sure it's a diesel but I have to drive with the windows up or I smell fumes .Its especially noticeable when the drivers window is down but I've been under the car with the engine running and there's no obvious exhaust leaks . This was confirmed by the dealer . Any ideas please ? Cheers Ross

  • #2
    Time for a 3" exhaust eh 😉
    Cheers
    Blake

    04 Silver Diesel GXL with lots of stuff
    [SIGPIC][/SIGPIC]

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    • #3
      Got a towbar fitted?
      2012 Graphite GXL T/D Auto, with all the normal crap you fit

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      • #4
        Gday vk2ss55

        Originally posted by vk2ss55 View Post
        My D4D seems to have a strong exhaust smell
        The first thing i thought was have you had the Catalytic converter removed at the very front of your engine?

        If not!.... Does it make a rattle noise (Catalytic converter) when you hit it with your fist like there is loose bits inside of it?

        If so then the catalytic converter has burnt out! (I think this is highly unlikely but it is a step in the right direction).

        If happy that the catalytic converter is intact then a good culprit for making the fumes extra toxic (Also can make your eyes smart) is fuel cleaners or fuel additives!!.. I know some may flame me for saying this but some fuel cleaners can make the exhaust gases a bit toxic on the nose and make your eyes smart.

        To confirm that your exhaust has no leaks get a rag (So the exhaust gases don't burn your hand) and push it as hard as you can onto the tail pipe so that gases cant escape and if any holes in the system it wont take long before you hear a hissing noise!

        Obviously you will get a hissing noise from the flex joint ahead of the cat when pressure gets very high... This is normal.

        Cheers

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        • #5
          Originally posted by Bear63 View Post
          Got a towbar fitted?
          Waiting with bated breath to find out where this is headed

          Cheers Andrew
          [COLOR="#FF0000"]So Long and Thanks for all the Fish![/COLOR]

          [url=http://www.4wdadventurers.com/showthread.php?3840-AJ-s-120-Prado]MY PRADO AND DIY CAMPER TRAILER[/url]

          [url=http://www.4wdadventurers.com/showthread.php?3975-AJ-s-79-series-Cruiser-Ute]MY HZJ79 Landcrusier[/url]


          [SIGPIC][/SIGPIC]

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          • #6
            The wiring harness for the towbar has 2 large grommets that go through the floor when they are not fitted properly its a good entry point for fumes to be sucked into the cabin
            2012 Graphite GXL T/D Auto, with all the normal crap you fit

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            • #7
              Skywalkerrun no the cat seems ok and I don't use any fuel conditioner I will try the rag in the exhaust thanks mate

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              • #8
                Thanks Bear63 I will have a look at the grommets Cheers Ross

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                • #9
                  Black moth I dunno if the bigger exhaust does much for the 150....maybe in conjunction with a chip? Cheers Ross

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                  • #10
                    Personally, I thought exhaust fumes from the factory exhaust smelt a bit odd.

                    Once I upgraded to the Beaudesert, it reverted back to what a typical diesel smells like. Guessing the difference in cat.

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                    • #11
                      If you remove the catalytic converter the Diesel gases are very toxic and your eyes will smart especially when in traffic!

                      Also!.... If you remove the catalytic converter and you add injector cleaner to your fuel the toxicity of the exhaust gases are very noticeable!.... One can only guess whats happening to your engine oil stability?

                      I don't care what people do either way but that is how it goes!

                      If your rig is manufactured with a catalytic converter it has to/ supposed to stay there!....

                      Remove the catalytic and you may provoke the law to take action!! Lol


                      If you look carefully the two vehicles in the background still have there cats!

                      Cheers
                      Last edited by SWR; 15-08-2014, 03:06 PM.

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                      • #12
                        Hi Guys,

                        I have 2007 D4D that has developed this smell after the last service. Same symptoms window down and smell comes through the aircon. I have looked at the grommets into the cabin on the firewall and the rear towbar. All seem to be intact.

                        Vehicle has 150K km on the clock and has never missed a beat.

                        I am at a loss to the cause. Any help appreciated
                        [B]Cheers
                        Bomber[/B]
                        '07 Silver Ash GXL D4D manual, 2" lift (Ridepro Bilstiens), Polyairs, Colour coded ARB Deluxe Winch bar, Safari Snorkel, Toyota Tow Bar, Sandgrabba Mats, Michelle's Sacs seat covers, Rhino Aero Bars, Rola Vortex Roof Rack, ARB dual Batteries, 40L Engel

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                        • #13
                          Is it actually an exhaust smell or something else? A couple of months ago I was driving around and every time I stopped at a set of lights I could smell a strong sulphur smell, like the smell that comes out of unleaded car exhaust sometimes. Turns out my 2nd battery was cactus and giving off sulphur. Any chance that this is the problem?
                          2010 GX Turbo Diesel

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