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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 
Ticking knocking noise from engine bay 2012 4.4tdv8

Hi folks can anyone help - have this clicking noise on start that last for a while until it heats up. Last time I had to drive it during this noise and there was a faint smell of burning and a chirping pulley type noise.
Any thoughts? It's going back to garage next week but be good to have a clue what it could be

Many thanks 👍https://youtu.be/-broK8C26m4👍

Post #641821 2nd Sep 2022 5:22pm
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3137

United Kingdom 2011 Range Rover Vogue TDV8 Atacama Sand

I have the same noise (albeit quieter and not so quick) - I am having a service soon so will get my RR indie to have a look and report back. My initial thoughts are it is a belt or tensioner prior to adjusting something?

Post #641825 2nd Sep 2022 6:00pm
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

That's what I'm hoping - I bought it a few weeks ago and pulleys were squeaking so I had them sort that before I bought it so hopefully this is either one they didn't replace or one that they need to adjust maybe ....

Thanks for your reply 👍 hope they solve your issue

Post #641827 2nd Sep 2022 6:06pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1465

United Kingdom 

Isn't that the viscous fan coupling (fan clutch)? Quite normal for it to make a tick tocking noise when cold on the 4.4 TDV8. 2015 Range Rover Autobiography 4.4 SDV8

Post #641842 2nd Sep 2022 7:43pm
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

Maybe - to be honest that noise on its own wasn't a huge worry but the combination with the burning smell and the chirping sound was the bigger worry. But maybe this sound is the fan clutch 👍

Thanks for replying 👍

Post #641843 2nd Sep 2022 7:53pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1465

United Kingdom 

What is the burning smell of?

Engine oil? Fuel? Water? Hot exhaust? If it's an engine oil smell, I'd immediately be looking inside the V at the oil cooler. 2015 Range Rover Autobiography 4.4 SDV8

Post #641844 2nd Sep 2022 7:56pm
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Furnitureman



Member Since: 26 Jan 2021
Location: Leicestershire
Posts: 345

United Kingdom 2012 Range Rover Westminster 4.4 V8 Cairns Blue

Had a similar issue turned out not to be a knackered engine as advised 😡😡 but water pump on its way that made the clicking with the bracket that holds the fan and the belt tensioner this meant the belt was rubbing giving a burnt smell, all sorted now 2012 Range Rover Westminster 4.4 TDV8
2006 Discovery 3 HSE 260k miles and still going strong with a new owner

Post #641933 4th Sep 2022 8:23am
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

garyRR wrote:
What is the burning smell of?

Engine oil? Fuel? Water? Hot exhaust? If it's an engine oil smell, I'd immediately be looking inside the V at the oil cooler.


Sorry for not replying sooner - I'd say engine oil below the pollen filter housing - will take that out and have a look

It's just back from getting warranty work done - new starter switch cured the bad starting and the ticking noise they reckon is a vacuum solenoid..... They're working on it to fix it so I'm not arguing 😄

Post #642902 13th Sep 2022 9:26pm
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

Furnitureman wrote:
Had a similar issue turned out not to be a knackered engine as advised 😡😡 but water pump on its way that made the clicking with the bracket that holds the fan and the belt tensioner this meant the belt was rubbing giving a burnt smell, all sorted now


Will keep an eye on that - garage reckon the ticking noise is a vacuum solenoid - their words - so will see if they fix it - will put it back if it smells again

Post #642903 13th Sep 2022 9:27pm
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

Furnitureman wrote:
Had a similar issue turned out not to be a knackered engine as advised 😡😡 but water pump on its way that made the clicking with the bracket that holds the fan and the belt tensioner this meant the belt was rubbing giving a burnt smell, all sorted now


Will keep an eye on that - garage reckon the ticking noise is a vacuum solenoid - their words - so will see if they fix it - will put it back if it smells again

Post #642904 13th Sep 2022 9:27pm
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mpirie



Member Since: 26 Jun 2012
Location: In the Highlands
Posts: 898

Scotland 2013 Range Rover Autobiography SDV8 Luxor

There is a known fault with the TDV8 4.4 where the rubber O rings for the turbo feed at the top of the bell housing weep, allowing oil to run down the housing and onto the exhaust, so it'd be worth checking them.

Also, get the oil cooler inspected as it can either leak to the outside where oil will sit in the V and again, leak down the bellhousing onto the exhaust or leak into the coolant causing much more problems.

Mike

Post #642911 14th Sep 2022 6:32am
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

Thanks Mike - will have a look at it and see what's happening - I take it an oil leak there is quite obvious?

Post #642912 14th Sep 2022 6:39am
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mpirie



Member Since: 26 Jun 2012
Location: In the Highlands
Posts: 898

Scotland 2013 Range Rover Autobiography SDV8 Luxor

Yes, if you get under the car you'll be able to see where the oil is running down the bellhousing which then finds its way onto the exhaust.

Alternatively, remove the engine cover and pollen filter to see if there is a leak from the oil cooler or turbo feed pipes.

Mike

Post #643000 15th Sep 2022 6:30am
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RMac73



Member Since: 30 Jul 2022
Location: Inverness
Posts: 17

Scotland 

Will do that - thanks 👍

Post #643302 18th Sep 2022 9:25pm
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MichaelGG



Member Since: 16 Aug 2023
Location: Cambridge
Posts: 11

United Kingdom 2012 Range Rover Westminster 4.4 V8 Orkney Grey

Sorry to relive an old thread. Mine does this but continues when hot. The belt seems to move and I can see the tensioner moving. My indie specialist has spun all the idlers and pulleys and says they all seem good.
It's a tdv8 2012 Westie also if that helps. I don't understand whats happening. It's fine for a few weeks then it comes back. It's been in and out a few times now because of it.
Just wondering if there was anything else they could try??

Video is here:

Post #684430 31st Jan 2024 3:39pm
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