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18371 messages, Last post on Nov 08, 2009 at 6:41 PM
You are in the Subaru Crew Forum. Your Host is kcram
Your Community Leaders are ateixeira and rsholland.
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Replying to: xwesx (Feb 04, 2009 8:46 am)
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Replying to: kwunschel (Feb 16, 2009 5:11 am) I recommend that you call their 800# as well to get authorization for the real fix. The issue is suppose to be some gaskets on the heater box "vanes". They will have to replace the whole heater box to get rid of it. I'm told it can last up to 15 months (so far reported) if you don't get it replaced. I believe, from what I have garnered to date, that it looks like the "rubber" gaskets were impregnated with some type of "oil" that is given off through the defroster (and probably the other vents) and causes the film you are seeing build up. This has also occured on the 2008 IMPREZA, which is why they know what to do about it... |
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Replying to: phil2000 (Feb 16, 2009 5:41 pm) 
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Replying to: xwesx (Feb 17, 2009 9:17 am)
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Replying to: phil2000 (Feb 18, 2009 1:53 pm) You're certain to get the kinks worked out here soon. You just finished with a major surgery; there are sure to be a few complications.  How is your fuel economy? Have you driven it enough to tell? Keep at it - -Wes-
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Replying to: xwesx (Feb 18, 2009 5:19 pm)
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Hi, 03 Outback has 118K on it- Realize I'm past the recommended mileage for a timing belt. MY question is this- Got initial quotes from 2 dealers, Becker in PA, and Flemington in NJ. Price was substantially different based on same work- $250 versus $425. I realize the recommendation is to also get the water pump done- anything else?- which would add to the price but don't understand why the starting point is so different RT
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Replying to: phil2000 (Feb 19, 2009 8:19 am)
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Replying to: xwesx (Feb 20, 2009 9:37 am) First of all. It's not whether it can or can't be cleaned. Anything can be cleaned, if you go about it right. The question should be, first of all, whether cleaning it would do any good, and if so, whether it needs to be cleaned. Oxygen sensors are exposed to such extreme heat that the only thing that it can get (dirty) with is carbon. Extreme heat will turn any organic matter, such as gasoline or oil, into carbon. Well the bad thing about that, is that baked carbon is not soluble in any kind of solvent, and even if it was, the sensing unit within the o2 sensor module, is not exposed, and is not visible. It is covered by what is usually a louvered steel cylinder. Therefor if you're going to brush it, use a wire brush and brush it as hard as you want, because it isn't going to hurt the steel cover. But this is the problem. The only thing that you can really clean with any success is the outer cover. Since solvents won't do any good, I really would not recomend using electric motor cleaner, since the active indredient in it is Trichloroethylene which is not a very strong solvent. not only is it's strength very low, but also, since it is designed to clean electronic components, it evaporates very rapidly, resulting in a very short working time. Since o2 sensors are disigned to hande such extreme temeratures. The best method of cleaning them, is to heat the bottom part of the sensor (the part that inserts into the exaust) with a propane torch, to the point that it just begins to turn red. You do not want it to glow chery red, even though they are designed to take extreme heat, you can still over do it. Once you have it heated to the point that is just turns red, or to the point just befor it turns red, quench it in water. This will break free any carbon build up inside the sensor. After the first time, some pieces may still be to big to come out of the sensor so I would recomend doing it 2 to 3 times, blowing it out with an air compressor between each time. But I would have to say, good luck, since O2 sensors very seldom fail do to being dirty. This is not common at all.
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