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Intermittent gas dryer

My Kenmore gas dryer seems to be having trouble staying hot. The firstthing I did was check the vent system. It had a fair amount of lintbuildup, so I removed the hose and thoroughly cleaned the back of thedryer, the entire hose itself, and the exterior vent. I now have greatairflow to the outside of the house. This didn't fix the problem, so Idid some research.
Here's the breakdown of all the symptoms. The burner WILL light oninitial startup, and throw a good strong flame for the first fiveminutes or so. The drum gets nice and hot, then the flame shuts off. Isat on the floor and watched the burner assembly for about 20 minutesof continuous running. Every 2 or 3 minutes, the ignitor kicks on, butthe flame only lights on every third or fourth attempt. (It's a glowignitor, not a spark style, and it glows bright and hot every time.Also, the flame sensor seems to be pretty clean). This leads me tobelieve that the thermostat and ignitor are cycling properly, but thegas valve solenoids are not. Am I correct in assuming this? My mainquestion is, if the solenoids ARE bad, why do they only work some ofthe time? Also, should I try changing them myself? It looks very easy to do.

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  • shapeshif599 Nov 28, 2008

    Thanks, the coils (solenoids) were bad. I couldn't understand why they only worked some of the time, but you said the insulation breaks down, and that makes sense. I found the coils at a nearby appliance store for $20 and it only took about 10 minutes to swap them in and put everything back together. It's working great now, thanks for the advice! (left best feedback)



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You are right. Gas valve coils are bad. As they get hot they malfunction as insulation has broken down. I cannot see your repyl due to some tech issue w/ the site, so it may be a day or so before I can reply again. Please leave feedback for me if appropriate. Thanks

Posted on Nov 28, 2008


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