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zsd-puma

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

2010 Defender 110 Puma 2.4 USW Santorini Black

shropshiredefender wrote:
there seem to be loads related to Transit engine knocks - far too many for comfort!

But realistically no one is going to post a video saying "Hey listen to my sweet sounding Transit engine".

And most transits have a hard life, Take that video you've posted a link to. It might only have 52'000 on the clock, but it's an Ex-Royal mail van, even if it's not the second time around the clock, it's been used for stop start work and thrashed to the red line day in day out all day every day. Transits also have a dual mass flywheel, they fail and sound like that - the Puma Defender doesn't have a DMF.

2nd Jan 2018 12:50pm

Lightningtweeds

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

2008 Defender 90 Puma 2.4 CSW Stornoway Grey

First thing to try would be to remove the fan belt and run and see if it goes. Lots of whirring things in there.....

2nd Jan 2018 1:10pm

agentmulder

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

Well, for what it's worth - crappy youtube audio means high potential for misdiagnosis - it does sound like mine did before I 'fixed' it with the fuel related diagnostic tool stuff (VCV and pilot correction).

Next problem is that I wasn't methodical about it, so I don't actually know what the root issue is/was. Perhaps the VCV in the first case, and perhaps the loose injector clamp (that I replaced) in the second case both meant the ECU parameters learned in the last session were then out ...

Maybe ask your indie a few questions to sniff out if these processes are a part of their workflow? When getting my injectors cleaned up and reseated last year the indie I used frowned a little when I said it, but then said he would do it 'yip yip, all done!', but the noise remained, when I tried the process myself (using the BAS remote tool) I got errors, from which I finally found that the MAF temp sensor ('IAT1') was disconnected due to a misaligned plug - all indicating that it would have been impossible for the indie to do it (!).

When I finally got it done myself, it was smoooooth again. Solved the bowel problem, working on the consonants...

2nd Jan 2018 8:57pm

shropshiredefender

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

2011 Defender 110 Puma 2.4 USW Santorini Black

Well the verdict is in - not good news.
No fault codes
VCV. replaced learning done on standard tune.
Injectors OK.
Cam carrier, cams, lifters, timing chain OK.
Serpentine belt removed - noise still there.
That leaves - little end, big end, piston related.
It's now done 110k miles and been serviced per schedule using genuine parts only.
I'm heading for a recon engine, or having mine rebuilt.
Any recommendations for suppliers?

3rd Jan 2018 6:18pm

agentmulder

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

Shiiiit, sorry to hear that. Solved the bowel problem, working on the consonants...

3rd Jan 2018 8:40pm

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