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Tanndoktorn



Member Since: 18 Jan 2020
Location: Oslo
Posts: 12

Norway 
HELP! Shut off noise
I'm struggling with my defender puma 2.4 2007.

What is the sound after I stop the engine on the video?
It's been there since I bought the car quite recently, but so far only when I stop the car.
Now I can sometimes hear it while driving too.
Normal or fu ... ked?!

It does not sound good ..

Video:
https://www.icloud.com/sharedalbum/#B0TGVfZ2vGvDl9P
Post #820368 20th Mar 2020 3:02pm
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G4UJS



Member Since: 20 Jan 2019
Location: Shropshire
Posts: 226

United Kingdom 2008 Defender 110 Puma 2.4 CSW Zermatt Silver
Its the EGR Valve, they are supposed to do that!

Cheers

Rob
Post #820369 20th Mar 2020 3:04pm
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3693

United Kingdom 
As above EGR value or exhaust Gas re circulation valve

They clatter clatter clatter when you tun off like a self cleaning thing...

Mine got louder and louder even after cleaning.


Solution - Remapped, Blank it off and code the remap that it isn't their....


Now it make NO noise and the car runs better.


Thumbs Up
Post #820370 20th Mar 2020 3:11pm
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Tanndoktorn



Member Since: 18 Jan 2020
Location: Oslo
Posts: 12

Norway 
Aaah .. Just what I wanted to hear ! 🙏😊

I've remapped the ecu and was told the EGR was blanked at the same time (software blanked?)
Do I need to blank the egr mechanically too?
Post #820372 20th Mar 2020 3:29pm
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3693

United Kingdom 
Hello

The garage that did my remap, coded it out of the ECU and also put a physical blank over it (like a small metal plate)

Sounds like your ECU still thinks it's their otherwise it would not clatter...

Mine was getting very noisy like embarrassing when I turned the car off...
Post #820377 20th Mar 2020 3:55pm
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hopeydaze



Member Since: 11 May 2011
Location: Bath
Posts: 30

United Kingdom 2006 Defender 90 Td5 SW Cairns Blue
My ECU sometimes makes the noise when I change gear at low speed. Can I ignore this, or will it get progressively worse until the vehicle stops running or goes into limp mode?

I’ve looked an YouTube videos and it’s clearly a pig to replace/clean.
Post #820407 20th Mar 2020 7:24pm
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DAZ110



Member Since: 06 Dec 2007
Location: East Sussex
Posts: 2001

United Kingdom 2013 Defender 90 Puma 2.2 XS CSW Barolo Black
Probably EGR remapped out and blanked, but cleaning cycle has been left on to keep the mechanism working?
Post #820412 20th Mar 2020 8:00pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 1695

United Kingdom 
As stated above it’s the EGR going through a cycle to ensure the open and closing mechanism is cleared of fresh carbon. It does not do it every time you stop the engine, but should do it most of the time. So hearing it is a positive sound I listen for. Not hearing most times you switch the engine off likely means you have a malfunctioning EGR, which will likely mean Diagnostic Trouble Codes will follow (P0401) , then the Malfunction indication Lamp (MIL - yellow engine symbol) illuminating and engine going into limp mode. Changing the EGR On a 2.4 is not technically difficult, just real fiddly as it’s difficult to get to all the fittings. On the 2.2 it’s even more fiddly to get to the two bolts, two nuts & studs and two coolant pipe clips. I replaced the EGR on my 2.2 as had the above symptoms. On the 2.2 the OEM part used by LR, stamped FOMOCO as it’s a ford part is actually made by pierburg (has their part number on it as well). So sourcing a pierburg valve directly meant it cost £100 inc delivery. Lots cheaper than from landrover and it’s exactly the same part. I had to replace mine at 51k miles, some last longer, some less. It all depends on your normal driving conditions.
Post #820818 23rd Mar 2020 10:55am
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