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SLIGHT HUM FROM INGINE WHEN HITTING SPEEDS 45-50

Tiny
LSET
  • MEMBER
  • 2005 SAAB 9-5
  • 2.3L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
DOES EFFECT THE PREFOMACE OF CAR SOFT HUMMING, HEAR IT MOST COMMING UP HILLS AT 45-50 MPH
Tuesday, September 30th, 2014 AT 6:26 PM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,872 POSTS
How does it affect the performance?
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Wednesday, October 1st, 2014 AT 7:01 PM
Tiny
LSET
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  • 8 POSTS
Hi it doest affect the perfomance of the car at all it sound like a squicky door opening if I let off the gas it go away and if I hit the gas again it come back, can really noticer it comming up hill 45/50
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Friday, October 3rd, 2014 AT 6:00 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Is the clutch slipping or anything like that? Have you checked to see if there is a vacuum hose leaking that can cause a noise? Has the check engine light come on?
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Friday, October 3rd, 2014 AT 8:53 AM
Tiny
LSET
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  • 8 POSTS
It an automatic and manual button on the under stairing wheel cluch not slipping, would a vac-hole leak bother the performance? There not inglite eather self check ok too
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Friday, October 3rd, 2014 AT 6:41 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Based on where the leak is located, it could affect performance. Is there anything that changes the noise once you reach that speed? For example, if you turn will the noise change?
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Friday, October 3rd, 2014 AT 6:48 PM
Tiny
LSET
  • MEMBER
  • 8 POSTS
There no change on turns, but if I let off the gas it seem too go away and when iexcelrate it come back, it sounds like a door opening up and closing, starts at 40 when excelrating as soon as you take your food off the gas it goes away, I want too say it like opening a nd closing a fence, type of noise I really can notice it going up a hillim sure it happens on the flats too but not as loud thanks for the help too lenny
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Saturday, October 4th, 2014 AT 8:01 AM

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