Thanks for the reply.
While the engine is running I have tried to unplug and plug the vacuum pipes
back. The darn thing does not seem to make any difference. I just can;t seem
to locate the source. I will keep trying.

-Paul

"maxpower" > wrote in message
...
> Could be a vacuum leak, listen under the hood at idle.
>
> Glenn Beasley
> Chrysler Tech
> "Paul Singh" > wrote in message
> news:4b5Ud.48922$uc.30511@trnddc03...
>> When the engine is cold it is OK but at normal temperature if I let the
>> engine idle it starts giving a loud whistle. If I rev it high it goes
> away.
>> The idle RPM is between 750-800. I am pretty sure it does not come from
> the
>> belts or pulleys. Any ideas what could be the problem ?
>>
>> TIA
>> Paul
>>
>>
>
>