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JJ440



Member Since: 08 Nov 2013
Location: Geneva
Posts: 51
Switzerland 2001 Defender 90 Td5 SW Oslo Blue
TD5 engine bay noise
Hi All,

Took my some time to buy one but bought my first Defender three months ago and I'm already at it.

There's a nasty noise coming from underneath the hood, to me it sounds different than just a worn drive belt.

Could it be the tensioner? ...or worse? ....what do you guys think?



Regards, JJ
Post #374161 25th Nov 2014 4:10pm
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g-mack



Member Since: 07 Jan 2014
Location: northumberland
Posts: 1967
United Kingdom 
vid is private!! My 109 thread

my youtube channel
Post #374164 25th Nov 2014 4:15pm
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JJ440



Member Since: 08 Nov 2013
Location: Geneva
Posts: 51
Switzerland 2001 Defender 90 Td5 SW Oslo Blue
Fixed!
Post #374168 25th Nov 2014 4:38pm
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g-mack



Member Since: 07 Jan 2014
Location: northumberland
Posts: 1967
United Kingdom 
hmm hard to tell, could be crank damper, not cheap for genuine replacement. some one with more experience should come along soon My 109 thread

my youtube channel
Post #374169 25th Nov 2014 4:52pm
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Nidge



Member Since: 27 Jan 2008
Location: Kildare Ireland
Posts: 818
Ireland 2009 Defender 110 Puma 2.4 HCPU Cairns Blue
Hard to tell.....but to me engine sounds fine internally , there is no belt to worry about as TD5 is chain driven.

Sounds external... aircon pulley I bet or altenator bearing or water pump


N.
Post #374189 25th Nov 2014 6:52pm
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mturri



Member Since: 13 Jul 2010
Location: All over
Posts: 33
 2006 Defender 110 Td5 CSW Bonatti Grey
Been through this before.

Initially thought it was the viscous fan bearing, but after removing belt noise was gone.

Borrowed a mechanic’s stethoscope and scoped the prime suspects (alternator, PAS pump, AC comp, idler pulley, etc.). The belt tensioner sounded a bit too raspy, and whilst not entirely convinced changed it out for a new unit (p/n ERR6951). Screeching gone.

Cheers
Matt
Post #374714 27th Nov 2014 9:46pm
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JJ440



Member Since: 08 Nov 2013
Location: Geneva
Posts: 51
Switzerland 2001 Defender 90 Td5 SW Oslo Blue
Good advice, could very well be the tensioner. Seems the noise comes from the upper part of the engine, so that coincides with the tensioner.

I've read the belt can be a pain to get on, will let you know how I get on and if I it was indeed the culprit.

Is it worth going with a genuine replacement or am I ok with aftermarket? (£17 vs £48 )
Post #374869 28th Nov 2014 4:50pm
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Tommo



Member Since: 19 Dec 2013
Location: Leicestershire
Posts: 830
United Kingdom 2006 Defender 90 Td5 Black LE Java Black
Genuine all the way. When I did my belt I did it from underneath with my mate holding the spring pully as I couldn't do it without his help. You could take to viscous fan off which makes access easier!!
Post #374936 28th Nov 2014 8:27pm
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Carlosbeldia



Member Since: 13 Oct 2013
Location: Cartagena
Posts: 43
Columbia 2001 Defender 110 Td5 SW Epsom Green
That sound is or tensioner or A/C Pulley....
Post #375523 1st Dec 2014 3:03pm
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JJ440



Member Since: 08 Nov 2013
Location: Geneva
Posts: 51
Switzerland 2001 Defender 90 Td5 SW Oslo Blue
I see I forgot to get back too you... cliffhanger.

It was indeed the tensioner.

For others; best not drive the car a lot before you fix it, the tensioner will freeze up and leave you stranded sooner or later.
Post #398011 11th Feb 2015 9:31pm
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