Intermittent ticking/brushing noise!!

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archwayanimal

Active Member
Posts
191
Location
Oxfordshire
Wonder if anyone can help. My engine has just started making a weird noise - happens on tickover and increases with revs, but is intermittent. Definitely sounds like it is coming from somewhere around the fan.. Here is a link to a Youtube clip with the noise clearly there....

[nomedia="http://www.youtube.com/watch?v=v0SQCZNCodI"]http://www.youtube.com/watch?v=v0SQCZNCodI[/COLO"]YouTube - Defender engine noise....[/nomedia]

Many thanks!
 
An update. Sat in the car this morning after short journey and let engine tick over for five minutes - no noise. Then after a little revving it started, so it seems to only happen when engine is warm. Could this be a problem with the viscous fan?
 
ues fan viscous unit will stiffen putting more torque through fan which may let blades bend a little to catch cowl ? worn brg on fan support ?
 
I am told the problem is with the cambelt tensioner - which is pretty irritating as the cambelt and tensioner were only changed 3 months ago by mechanic chap. Have been advised not to drive it until fixed in case cambelt goes...?
 
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