Intermittent ticking/brushing noise!!

archwayanimal

Active Member

Posts

191

Location

Oxfordshire

• May 3, 2011

• #1

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!

 

archwayanimal

Active Member

Posts

191

Location

Oxfordshire

• May 4, 2011

• #2

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?

 

jamesmartin

Well-Known Member

Posts

91,879

Location

louth lincs

• May 4, 2011

• #3

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 ?

 

archwayanimal

Active Member

Posts

191

Location

Oxfordshire

• May 5, 2011

• #4

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...?