I have heard this also...I don't warm up my disco I start it without glowing put on my seat belt and back off the drive...
like you I drive gently without to much pedal before the engine gets up to temp.
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I have heard this also...I don't warm up my disco I start it without glowing put on my seat belt and back off the drive...
like you I drive gently without to much pedal before the engine gets up to temp.
Yes, I also remember that warning. I don't "warm-up" the car, but I just drive gently for the first few km until the temperature needle starts rising.
Now back on topic, I'm not any sort of mechanic but I have often wondered if the rattle was somehow caused by condensation in the air intake drawing small particles of water into the engine when cold. The thing is, Defenders are rare in that the engine air intake is piped directly to the outside of the vehicle so any moisture on the intake grille, or inside the plastic snorkel or whatever would presumably be ingested straight away when cold, before the whole system has had time to heat up and there is no more condensation anywhere. Obviously this would be directly affected by things like ambient temperature and where & how the vehicle was garaged overnight. Just a thought.
This is totally based on the idea that such a rattle would be caused by moisture being drawn into the engine in the first place - would it?
Ian has also considered this as we were finding that it happened more so on cold dewy mornings
Just to through a spanner in your train of thought, my 110 has lived in a garage all it's life and still does the rattle thing occasionally, it's also very rare that it is damp over here in WA. I can't see any fault codes logged in the ECU relating to the rattle either.
It is very strange that the engine does its rattle only when it returns to idle after a gear change or 2. I would have thought that if it was a problem caused by poor fuel, or air in the fuel system, the noise would occur when the engine is revving, not idling.
Surely it has to be a sensor problem, or a problem with the fuel rail pressure releif valve sticking????? Hopefully LR figure it out before our warranties start to expire :(
Tim
My apologies for the hi-jack before!
I know I'm not directly affected by this but I'm interested. :)
I think it would be beneficial if someone could video the noise and post it up?
we are trying!! but only have camera on the phone which is crap...I can her it quite clearly but I'm not sure others would as they don't really know what there listening for.
Need to borrow a video camera to record it.
Here is one taken of a petrol r56 MINI sounding like a diesel to give you ideas. If you can do the pommy disgruntled owner whine as well that can't hurt :D
[ame="http://www.youtube.com/watch?v=5CFbzj45M5k"]YouTube - R56 Mini Cooper S engine rattle[/ame]
so how is that going to give me ideas? you saying you want me to run in front of the car filming with the bonnet up while he drives it....and puts it into third.
I don't think I can run that fast backwards :lol2:
Have you got a bullbar? Just pop the bonnet off before you head off and sit on the bullbar until it happens :)
Seriously I thought once it started it just continued for a couple of minutes and you could stop the car and film it? I didn't realise you could only hear it while it was driving. :(
yeah you can only hear it for a max of about 30sec....and only when driving