Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Loud Whistle

Old Mar 13, 2006 | 07:57 PM
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Default Loud Whistle

IN the morning usually when its below 40 degrees I hear a loud whistle sound on my 1993 850 non turbo and after a mionute it goes away and im not emberassed anymore if I gas it a little it wont do it either.
 
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Old Mar 13, 2006 | 09:59 PM
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Default RE: Loud Whistle

Most likely the Air pump.
 
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Old Mar 31, 2006 | 02:38 PM
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Default RE: Loud Whistle

Where is it>?
 
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Old Mar 31, 2006 | 10:43 PM
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Default RE: Loud Whistle

Up under the car on the left side.
Remove the Air Guide if you still have one. Then you should see it hanging down.
It has 2 hoses going to it.
One should come from the Air filter box to the pump.
The relay might also be bad. It is mounted by the pump.

The pumps usually fill with water and short out then rust out.
Or a Battery leaks acid and it eats the pump.
 
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