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2006-2009 Range Rover Sport
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Discussion Starter #1
I have a 2009 MY10 V6 3.0L Diesel,Range Rover Sport 150km. Its a bit rattly on start up sometimes for around 3 secs hot or cold, is this normal for a diesel V6 ? It runs fine, just wondering how I can eliminate the start up noise, sounds dodgy. I've just changed the oil 5W/30 Diesel Penrite oil & filter, it slightly quietened it down, Is this normal or can something be done to eliminate this noise ?
 

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2010-2012 Range Rover Sport
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7 Posts
Every diesel ive ever been around is loud on startup. On most if not all diesels the pistons are forged and because they expand slower than cast you get piston slap until they warm up. Basically the skirts of the pistons hit the cylinder walls.
 

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2006-2009 Range Rover Sport
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Discussion Starter #3
Yeh ok,thanks for that info, just doesn't sound healthy, it sometimes does it when its warm, but Its more like a lifter/tappet noise.
 

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2006-2009 Range Rover Sport
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774 Posts
This is a great US site but diesel LRs here are as rare as rocking horse poo.

Why no go to our own aussie LR forum www.AULRO.com and you will get all the diesel specific information you need.

As to your question - it is a diesel - by their very nature they are rattly. Also it does take a couple of seconds for full oil pressure to develop so if it is rattling while the oil pressure light is still on at start dont worry about it - however if it is rattly when the oil pressure light is off you need to get it checked.

Garry
 

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One suggestion I might make: Make sure that your oil filter has a one way valve in it. That component keeps the oil filter filled when the engine is shut down. If the filter empties itself after shutdown, it will need to refill itself before oiling the rest of the engine., That will take a few seconds, and the engine is essentially running dryuntil the filter fills. Ray
 

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2006-2009 Range Rover Sport
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Discussion Starter #6
I didn't get a genuine filter do they have a one way valve in the filter or the filter housing ?
 

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2006-2009 Range Rover Sport
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The filter irrespective of the make fits your engine so is correct - whether it has a valve or doesn't is irrelevant - it is correct for the engine.
 
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