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  1. Forbes

    Death wobble

    Hi there, It would interesting to hear if you found out what the problem was? I'm experiencing the same issue with my 300tdi 110. I've replaced the steering damper and checked all the joints which seem ok. I'm suspecting panhard rod bushes so replacing them next week with poly bushes.
  2. Forbes

    300tdi strange air leaking noise

    Well, yesterday I took off the PTO cover on the transfer box to look for signs of wear on the input gear of the T/B and on the output shaft of the gear box. They look brand new, and it is the upgraded cross drilled version. The bearings also seems in very good condition. I have tried slipping...
  3. Forbes

    300tdi strange air leaking noise

    There is a bit of "the defender knock" going on when you don't put the power down smooth or have release the clutch too quick when changing gear.
  4. Forbes

    300tdi strange air leaking noise

    The handbrake was loose and was adjusted properly for the MOT, so we can probably rule that one out. Is it possible that bearings in the transfer box are worn?
  5. Forbes

    300tdi strange air leaking noise

    Thanks Flat, I've just had replacement oil in the gearbox and transfer box last week as part of a service and MOT. It didn't make a difference unfortunately. It was a garage job but they didn't mention anything odd.
  6. Forbes

    300tdi strange air leaking noise

    Faircot! Genius! I finally got round to testing the transfer box as you described tonight. Guess what!? No wooshing, hissing sound when the transfer box is in neutral! So the question is now... What's wrong with it? Transfer boxes sound expensive....
  7. Forbes

    300tdi strange air leaking noise

    It was in for its MOT today, the guys just phoned and said over all it's in great condition (which makes me feel good!) just a couple of bushes to replace. I asked them to have a look at the noise and they think it might be coming from gear box / transfer box. I've only had the lady for a year...
  8. Forbes

    300tdi strange air leaking noise

    By knocking do you mean no clutch? Just bang to out of gear?
  9. Forbes

    300tdi strange air leaking noise

    I've got a fairly beefy roll cage which has a section that runs above the top windscreen with a led light bar there too. There is also a section of roll cage that runs over the front gun flaps so they don't open fully. The noise is very constant and doesn't change with strong gusts of wind, I've...
  10. Forbes

    300tdi strange air leaking noise

    I have had a post on here previously that I never really found a solution to - the landy seems to be a tad underpowered and unresponsive. With a rough idle on start up when cold. Runs ok when warm though just seems noticably down a little on power compared to others I have driven. I have a decat...
  11. Forbes

    300tdi strange air leaking noise

    Agreed it does almost sound like binding brakes or something, strange thing is it doesn't make any noise until about 20 or 25 mph and then gets incredibly annoying! I've been out and checked the handbrake drum and propshafts, everything seems fine, I even sickened the bolt on the handbrake drum...
  12. Forbes

    300tdi strange air leaking noise

    I looked up viscous fan problem on tinter web and tested the fan and coupling this morning. Seems to all be working correctly, with no odd noises. I had an hour or so so I ripped apart the air intake system again, all seems sweet as a nut. Definitely no leaks. She is going in for an MOT tomorrow...
  13. Forbes

    300tdi strange air leaking noise

    Hey guys - yes sorry for the quality of the video! The tinny rattle is just a general defender noise! Sorry it's hard to hear the noise in question, the quality isn't very good. If it is possibly the viscous fan, what should I be checking / replacing? However would a viscous fan related noise...
  14. Forbes

    300tdi strange air leaking noise

    Thanks Fraser - I've tried that and it doesn't make any difference to the noise. It's getting incredibly frustrating now - it's like it's getting loader. I'm sure it's not but it feels that way. I can't drive anywhere for any length of time without it seriously annoying me. I've uploaded a...
  15. Forbes

    300tdi strange air leaking noise

    Finally fixed the alternator and did some more looking into this noise. Looked at around the bulkhead and floors etc for holes they are all plugged up really well. I think the last owner must have done a bit a wading (previous owner was a marshal at Billing). I also stuffed wrags into the...
  16. Forbes

    300tdi strange air leaking noise

    A little update.... Alternator has packed up so wasn't able to do any fault finding this evening. However looking more closely at non mechanical wind gaps, there are unite a few possibilities... I have a roll cage, raised air intake, led lights bars etc so when she's running again I'll plug...
  17. Forbes

    300tdi strange air leaking noise

    I'll look into if it might be whistles caused by things like the above. It's a good shout. It doesn't really sound like a whistling noise it sounds more like lots of air escaping from something under constant pressure. It doesn't fluctuate with high speed gusts of wind from different angles -...
  18. Forbes

    300tdi strange air leaking noise

    Any other thoughts folks? It's not a normal noise even for a defender...
  19. Forbes

    300tdi strange air leaking noise

    I have a k and n so I thought this might be the culprit, but I swapped it out for a mates new paper standard filter to test. The noise was still there.
  20. Forbes

    300tdi strange air leaking noise

    Thanks - I've removed them all and didn't find any splits. Also all the joints seem solid too.
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