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[Ralph]

My Omega has developed a whine when started from cold since the cold weather began. It only happens when the temperature is well below freezing.
Once warm it is silent  again, it appears to be coming from the front of the engine, I think offside.
Any ideas what might need attention ?

[hotel21]

edit - its a 2.6, no SAI fitted.   

[Andy B]

My Omega has developed a whine when started from cold since the cold weather began. It only happens when the temperature is well below freezing.
Once warm it is silent  again, it appears to be coming from the front of the engine, I think offside.
Any ideas what might need attention ?

I'd suggest auxillary/fan belt tensioner bearing, top left as you stand facing the front of the car. The roller is available on its own .... despite what some dealers may say. 
Try taking the weight off the belt by levering the tensioner to the right - 15mm socket/spanner - when it's squealing. Flipping the seal out, carefully and repacking with grease can give it a new lease of life.

[vauxfan2k]

My Omega has developed a whine when started from cold since the cold weather began. It only happens when the temperature is well below freezing.
Once warm it is silent  again, it appears to be coming from the front of the engine, I think offside.
Any ideas what might need attention ?

So does mine mate, but Ive recently found out that if I leave the wife at home I dont hear it... 


someone with some serious usefull info will be along shortly

[The Red Baron]

My Omega has developed a whine when started from cold since the cold weather began. It only happens when the temperature is well below freezing.
Once warm it is silent  again, it appears to be coming from the front of the engine, I think offside.
Any ideas what might need attention ?

So does mine mate, but Ive recently found out that if I leave the wife at home I dont hear it... 


someone with some serious usefull info will be along shortly

your not the only one, i seem to get that aswell.

[Shackeng]

My Omega has developed a whine when started from cold since the cold weather began. It only happens when the temperature is well below freezing.
Once warm it is silent  again, it appears to be coming from the front of the engine, I think offside.
Any ideas what might need attention ?

So does mine mate, but Ive recently found out that if I leave the wife at home I dont hear it... 


someone with some serious usefull info will be along shortly

Happens in every car I drive!