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.

850 Turbo Howling

  #1  
Old 02-22-2018, 04:12 PM
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Angry 850 Turbo Howling

Hi,

We are trying to figure out what this howling noise is when the throttle is opening. In addition to that it seems that the throttle stays open for an extended period of time and the idle is erratic when cold. We got this car for cheap and the engine doesnt seem like its entirely maintained but its not in horrible condition after some replacements.

 
  #2  
Old 02-27-2018, 06:27 AM
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Look for broken hose.
 
  #3  
Old 03-03-2018, 11:04 PM
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When I replace the turbo in my car I had the same problem afterwards. Turns out one of the fans on the turbine wheel got chipped. Has to be completely balanced. I had to pull it out and replace it again now itís good . It also wasnít 96 850 R
 
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