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Re: Is that my turbo doing that?



At 09:57 AM 12/8/97 +0200, Gerard wrote:
>Hi!
>
>I'm getting "noises" from the turbo side and alternator side of
>my car. These are whistling noises. At startup there is a scratching
>noise that doesn't last very long, but I think that is just 'cos
>the car has stood still all night and oil has run off the components.
>At idle (but not all the time) there is a low pitched whistle from
>the turbo/alternator side. This tends to "rumble" a bit, by that I
>mean it goes slightly higher in pitch then drops for a while then
>picks up again then drops again and so on. Then when going at speed
>I get whistling again from that side of the car. Sometimes it starts
>off suddenly, sometimes it is there front pull off. It can't be
>body whistle caused by mis-aligned panels. I was just  wandering
>if anyone was getting similar whistling. As of Friday, my alternator
>has developed a scratching noise, I just guess I'd better replace it
>sometime as precautionary maintainance.
>
>Could it be a wobbling bearing in the turbo? Has anyone ever had
>the turbo re-conditioned/re-manufactured? The next thing I can do
>is take it to the turbo fitment centre and let the guy there test it,
>but I know him and he is a shark and will tell me I need to replace
>the damn thing and that he will do the job for me.
>
>G.Use a hose tto isolate where the noise is coming from.
Remove intake hose from turbo and see if shaft has excessive play/runout or
is rubbing.  Disconnect Alt belt and see if grinding stops.  Sounds like
alt. stator loose, and possible vacuum leak causing the whistle.      
>-- 
>"a thousand miles from here, there is another person smiling"
>1990 Turbo (200T)
>name   : gerard van vught
>tel    : +27-57-912 2658 (w) / 082 923 9609 (cell)
>url    : http://www.acenet.co.za/homepages/gerard/
>e-mail : gerard@poboxes.com  / han.solo@galaxycorp.com
>         gerard@acenet.co.za / van_vught@frg.issi.co.za
>
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