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Wagons Subaru Crew Subaru Crew Problems & Solutions
18375 messages, Last post on Nov 30, 2009 at 9:13 PM
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Your Community Leaders are ateixeira and rsholland.
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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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| my "piston slap" got worse recently. took my 03 outback, 2.5L in to dealer to be told the lower engine, probably piston rod, was blown. Dealer suggests short block or total engine replacement. 60,900 MILES, OUT OF WARRANTY. Can I get any warranty relief. Should i replace whole engine, or go shopping for new car? | |
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Replying to: blueschaser220 (Feb 24, 2009 8:56 am)
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Replying to: blueschaser220 (Feb 24, 2009 8:56 am) |
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Replying to: phil2000 (Feb 20, 2009 11:41 am)
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Replying to: rthompson9310 (Feb 20, 2009 7:36 am) 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..." The $250 sounds like a dealer could only replace the belt, based on this: Ebay Buy It Now $200 Timing Belt Kit Contains the following: (1) Timing Belt (2) Timing Belt Idler Bearing Smooth (1) Timing Belt Idler Cogged (1) Hydraulic Timing Belt Tensioner Assembly While those are being replaced, the access makes it convenient to also replace the water pump, thermostat, respective gaskets, water pump by pass hose, coolant and conditioner. One person reported his dealer did the belt kit plus all that for $563. Some recommend also replacing the front crankshaft main seal and the cam seals during this time of good access.
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Replying to: aatherton (Feb 24, 2009 5:49 pm) |
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