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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Engine Rattle
The tdci has developed a constant rattle from the top front of the engine that increases in frequency with revs i.e. the faster the engine the faster the rattle.
Rattle starts when the engine is started and is continuous.
It sounds like a badly adjusted tappet on a well used Ford petrol engine from the 1980's.
I've read alot on here about rattles but cannot find anything with the same symptoms.
Anyone experienced something similar - or any ideas?

Thanks
Post #674489 30th Dec 2017 7:49pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127

United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Probably 2 injectors starting to come loose?

Take the engine cover off, start it up and feel the tops of your injectors,
They are fixed in pairs with one clamp, you will feel them knock or jump if they have come loose. Thumbs Up 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #674497 30th Dec 2017 8:13pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
as above. nip up the bolt and see if the noise stops. It'll probably want the injectors pulling and new sealing washers fitting, but it's not a big job.
Post #674498 30th Dec 2017 8:14pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Thanks chaps - I'll take a look tomorrow morning.
Post #674499 30th Dec 2017 8:17pm
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Lightningtweeds



Member Since: 16 May 2017
Location: Fintry
Posts: 461

Scotland 2008 Defender 90 Puma 2.4 CSW Stornoway Grey
Fan belt idler pulley?
Post #674633 31st Dec 2017 11:06am
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GrouseII



Member Since: 29 Dec 2017
Location: Bucks
Posts: 37

United Kingdom 2008 Defender 90 Puma 2.4 HT Coniston Green
Hi.

Bit of a newbie here but I have a similar symptom which may give you yet another avenue to explore.

I recently bought my 07 Puma 2.4. Went like an absolute rocket but on any acceleration through the range enormous black smoke bellowed out the exhaust, but no rattle.

After much investigation £££ they blanked the ECU and remapped the EGU to a standard LR map and it drives much more sedately, no smoke but now rattles like a goodun!

So I shall watch your post with interest.

Grouse
Post #674752 31st Dec 2017 5:32pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Now it's stopped raining I've checked the injectors and they seem to be OK. Rather than pulling too much apart I'll book it in to my indie and let you know the outcome.
Post #674926 1st Jan 2018 12:08pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Less likely but check if the red lifting bracket at the rear near the ECU is loose?

Two flanged set screws at the rear of the block. If it's your issue it's possible there is only one Laughing .

Remove it either way...

I know it's not the front, but noise can do weird things. Solved the bowel problem, working on the consonants...
Post #675004 1st Jan 2018 7:08pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Thanks Mulder - removed that bracket some years ago!
Have checked all other known loose bits - no luck.
Have a feeling that this is either simple and cheap (Lightningtweeds suggestion) or deeper and much more expensive.
Post #675011 1st Jan 2018 7:19pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127

United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Hope it's not the cam carriers giving up?.... 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #675021 1st Jan 2018 7:41pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Just looked at a you tube recording of a transit with cam carrier problems - it sounds like mine. Big Cry
Post #675029 1st Jan 2018 8:11pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Again, a bit of a stretch but I do know that on two occasions I have solved combustion timing related noise by doing a VCV relearn and then a pilot correction process with my diagnostic tool. The pilot correction especially is the ducks nuts.

From 'tappy knocky' around 1900-2000 rpm to smoothest ride ever.

The first time I did it was also with a new VCV, the second without. I'm pretty sure it's the pilot correction that solves it. Now I just need to learn what causes the slow slip out of tolerance - something something fuel pump?

The difference really is night and day. Solved the bowel problem, working on the consonants...
Post #675030 1st Jan 2018 8:11pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
shropshiredefender wrote:
Just looked at a you tube recording of a transit with cam carrier problems - it sounds like mine. Big Cry


Got a link to that video?

Keen to hear it.. Solved the bowel problem, working on the consonants...
Post #675032 1st Jan 2018 8:12pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Nope can't find the clip again - there seem to be loads related to Transit engine knocks - far too many for comfort!
Post #675041 1st Jan 2018 8:38pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

England 2011 Defender 110 Puma 2.4 USW Santorini Black
Found it -

Well almost there was one with a diagnosis - noise was the same though
Post #675042 1st Jan 2018 8:41pm
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