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[paul61]

hi all ,i need help for a omega cdx 2.0 w reg 2000 ,here we go
i have a whistling noise sound like turbo noise (but dont have a turbo) coming from engine bay,only when i accelerate its getting louder .bought 1 of those stethescopes 2 find out where coming from but its still there ,so far ive had the timing belt and rollers fitted ,fan belt fitted ,oil and filter changed,new exhaust and manifold plus gaskets fitted,new alternator , but noise still there
any help would be grateful

 

[Rods2]

Have you changed the water pump?

[Johnny English]

hi all ,i need help for a omega cdx 2.0 w reg 2000 ,here we go
i have a whistling noise sound like turbo noise (but dont have a turbo) coming from engine bay,only when i accelerate its getting louder .bought 1 of those stethescopes 2 find out where coming from but its still there ,so far ive had the timing belt and rollers fitted ,fan belt fitted ,oil and filter changed,new exhaust and manifold plus gaskets fitted,new alternator , but noise still there
any help would be grateful

 

don't worry, some of your belt you've changed is sliding, not tensioned enough! That noise is caused by smuggling how some belt is sliding on it's roller or tensioner! Check 'em and give feedback!
Sorry for my poor english, I'm not from UK.  Fapad

[paul61]

noise was there before new belts fitted ,took fan belt off and noise still there so got them both replaced ,water pump was done when they renewed all the timing belt parts ,the man who has been doin the work at the garage is baffled ,he as even checked for anything loose
paul

[paul61]

its on youtube under
vauxhall omega high pitch engine noise this is what old belt was like so had it all changed

paul

[fiend61]

hmmm vacuum leak, possible o rings etc  :-/

[paul61]

cleaned and put new gasket on throttle body still the same whistle
 

[RobG]

If you put your location in your profile there might be someone nearby who can have a look/listen

[B4rry.B]

Hi Paul,

I have just registered on here, and noticed your 'Whistle' message, I only drive my wifes Omega when I need to, but have a BMW 735i myself, ( I can hear all the groans already),
but had the same problem, which also baffled the techies at our local dealer, I had done same as some have been suggesting, pullies etc, even changing water pump, alternator but still same, then in desperation got the wd40 out and started spraying anything I could see, gaskets etc in case of a leak, now I am assuming yours is fuel injected with plugs etc, like both our cars, I sprayed the bottom of the injectors whilst the car was running, and the whisle stopped , all nice and quiet  , appears to be a defective seal, so used some spray grease round base of injector whilst still insitu till i'm able to take them out and replace seals, car has been to Ireland and back, plus running around locally, still quiet.

Hope this helps, Good Luck

Barry

[paul61]

thanks will giv it a try when i get in from work
paul

[MutantCav]

Have you checked the seal between the breather box on the plenum and the plenum?? Its got a little horse shoe shape bit of rubber coming out from it...can cause a whistling noise if its gone...replacement is only a few pence from Vauxhall if its that

[paul61]

hi sprayed wd40 and spray grease on injectors but still there ,checked pipes and no splits that i can feel or see
i will just have to keep trying
now it seems to be coming from right hand side of the engine ,1 day it seems louder on left next on right
paul

[paul61]

http://www.youtube.com/watch?v=I3VgzreGeUI


this link is what my car sounds like. You should be able to hear the whistle/high pitch sound

Thanks Paul

[paul61]

just replaced rocker gasket ,thought its only 1 i have not changed ,but still the same noise . do i need the aircon . can i just disconnect it,i never use it
paul

[Johnny English]

Hi,

check bearings! One of them can be dry or aged!