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Discussion Starter · #1 ·
When you start the car up you can hear a sound like a vacuum leak . It
appears to be coming from the top of the motor towards the back of engine
and car. Can it be the EGR valve or what? Any help would be much
appreciated.
 
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Discussion Starter · #2 ·
"SVOman" <[email protected]> wrote:

> When you start the car up you can hear a sound like a vacuum leak . It
> appears to be coming from the top of the motor towards the back of engine
> and car. Can it be the EGR valve or what? Any help would be much
> appreciated.
>


You could try isolating it a little more... putting your hands in there
while the engine's running wont hurt anything, just be careful.

Move hoses a little, etc to see if sound changes.

--
Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!
 
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Discussion Starter · #3 ·
On Wed, 18 Jan 2006 02:45:37 GMT, Backyard Mechanic
<[email protected]> wrote:

>"SVOman" <[email protected]> wrote:
>
>> When you start the car up you can hear a sound like a vacuum leak . It
>> appears to be coming from the top of the motor towards the back of engine
>> and car. Can it be the EGR valve or what? Any help would be much
>> appreciated.
>>

>
>You could try isolating it a little more... putting your hands in there
>while the engine's running wont hurt anything, just be careful.
>
>Move hoses a little, etc to see if sound changes.

On my 2.5 it was a PCV hose under the throttle body. It was soft on
the bottom, and on high vacuum it pulled in and the crack opened. VERY
difficult to find.
 
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