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.

Air Box Hot Air Flapper

  #1  
Old 01-26-2019, 10:08 PM
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Default Air Box Hot Air Flapper

On my '96 850. I pulled the air filter box to get at the dizzy. I started fooling around w/it and I sorta think that the flapper valve that allows it to suck hot air at warm-up and then cold air when hot is not working right. First, I ran hot water on the spring...nothing. Then I put it in the oven at 170....nothing. BTW, it is pretty hot when you hold it at 170. The flapper did not seem like it was any easier to push at 170 than when it was cold.

Is this a known problem area?
 
  #2  
Old 02-11-2019, 08:34 PM
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I checked youtube and there were several threads/videos on this...so it must be at least a small problem. I ended up wiring the flap open.
 
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