Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
Recent post where the guys cambelt was coming apart and making a noise, cant remember if it was hot or cold?
Im not saying its that just something to look at
13th Jul 2015 2:17 am
toastboy
Member Since: 01 Aug 2014
Location: Cambridgeshire
Posts: 6
Does it stop when you turn off the ICE? Does it only happen when the AUX input is selected? I leave my iPhone cradle plugged into AUX and I get a similar noise from the speakers when there's no phone in the cradle. Connect the phone or turn off the amp and it goes away for me.
13th Jul 2015 7:17 am
CUCO
Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609
Is the oil at correct level?
Oil filter well in place?
Sounds diferent from right to left bank of cylinders?
Does the sound changes if warm engine?
Any obvious leak?
13th Jul 2015 8:33 am
IOM man
Member Since: 03 Nov 2013
Location: Peel
Posts: 303
My cam belt that was recently done was starting to shred - initially when diagnosing the noise I thought it only did it when warm but it was there all a time, quiet at first and gradually got louder over 10 days
I started diagnosing by running it with the fan belt removed
Oil and filter change (LR filter)
I removed the insides of my EGR valves
Ran injector cleaner through it
Disconnected injectors one by one (DO NOT DO THIS WITH THE ENGINE RUNNING)
Done the above and the noise was still there, so then decided I will have to dig deeper and that's when I found the shredded belt that was hitting the plastic cover 😃
It might be something different on yours but worth checking just in case ðŸ‘Current:
2010 Discovery 4 HSE TDV6
2020 Audi Q2 TSFI 40 Aline Quattro Black Edition
2006 Audi RS4 4.2 V8 - Toy in the garage
Gone but not forgotten:
2006 Range Rover Sport HSE TDV6
2018 Lexus NX 300 F Sport Hybrid
2005 Discovery 3 HSE TDV6
2015 Discovery HSE Lux
200 Discovery TDI
300 Discovery TDI
Land Rover 90 2.5 Diesel
Series III SWB Land Rover 2.25 diesel
TD4 Freelander Kalahari
1.8 petrol Freelander
13th Jul 2015 8:58 am
CUCO
Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609
Did the cam belt sound like the audio clip that is posted by karlth?
13th Jul 2015 11:48 am
IOM man
Member Since: 03 Nov 2013
Location: Peel
Posts: 303
On tick over it wasn't as loud as the noise on the audio file, but when I revved it up and held the revs at 2500 rpm it sounded similar. I was starting to think that it was a cam follower or small end, as the noise was coming from the top right hand bank of cylinders
When I found the fault it then made sense as the split in the cam belt would have had further to travel around the cam and idlers pulleys, so the noise/click wasn't as often as what a cam follower or small end would have been - hope that makes sense
I don't know why but the shredded cam belt was only hitting the cam cover on the top right hand sideCurrent:
2010 Discovery 4 HSE TDV6
2020 Audi Q2 TSFI 40 Aline Quattro Black Edition
2006 Audi RS4 4.2 V8 - Toy in the garage
Gone but not forgotten:
2006 Range Rover Sport HSE TDV6
2018 Lexus NX 300 F Sport Hybrid
2005 Discovery 3 HSE TDV6
2015 Discovery HSE Lux
200 Discovery TDI
300 Discovery TDI
Land Rover 90 2.5 Diesel
Series III SWB Land Rover 2.25 diesel
TD4 Freelander Kalahari
1.8 petrol Freelander
13th Jul 2015 1:26 pm
karlth
Member Since: 08 Nov 2007
Location: Iceland
Posts: 10
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