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RichardS



Member Since: 29 Apr 2020
Location: Toronto
Posts: 7

Canada 2009 Defender 110 Puma 2.4 CSW Alaska White
Dual mass flywheel reliability
Are dual mass flywheels installed in 2.4TDCI powered Defenders prone to early failure? If I need to replace one is it possible to install a non dual mass as an alternative? My 36000mile (gently used) Defender, without warning, let out a harsh clunking sound and stopped with no "check engine" dashboard warning. It cranks but no start and heavy clunking sound. Previous experience with dual mass BMW flywheel very poor and expensive and exhibited similar failure symptom.
Post #971379 16th Nov 2022 9:11pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20378

United Kingdom 
Yes, SMF standard on the 2.4 or at least this is my understanding + more reliable too and cheaper to replace and they are not cheap even SMFโ€™s. $W33T $0U7H3RN $UG4R
๐Ÿ‡ฌ๐Ÿ‡ง๐Ÿด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐Ÿด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐Ÿด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐Ÿ‡ฎ๐Ÿ‡ช๐Ÿ‡บ๐Ÿ‡ธโ›ฝ๏ธ๐Ÿ›ข๏ธโš™๏ธ๐Ÿงฐ๐Ÿ’ช
Post #971382 16th Nov 2022 9:15pm
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 826

Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
Single Mass on the Puma 2008 2.4 110 Utility Station Wagon XS.
Post #971385 16th Nov 2022 9:23pm
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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5818

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Re: Dual mass flywheel reliability
RichardS wrote:
Are dual mass flywheels installed in 2.4TDCI powered Defenders prone to early failure? If I need to replace one is it possible to install a non dual mass as an alternative? My 36000mile (gently used) Defender, without warning, let out a harsh clunking sound and stopped with no "check engine" dashboard warning. It cranks but no start and heavy clunking sound. Previous experience with dual mass BMW flywheel very poor and expensive and exhibited similar failure symptom.


Sure itโ€™s not the starter motor? They can seize up. Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #971421 17th Nov 2022 11:00am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17387

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Cranking, clunking and not starting doesn't sound like a flywheel fault to me, nor a starter fault. It is possible that a clutch has destroyed the crankshaft position sensor, but I'd be more inclined to think that it is a broken timing chain or something along those lines.

You can certainly rule out DMF failure, because as commented above it doesn't have one,.
Post #971478 17th Nov 2022 6:10pm
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