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Everything posted by efseiler
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Water problem
efseiler replied to pos's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
Heeheehee...yeah. One morning it was only 6 degrees above zero and yet there was quite a lot of liquid precipitation on the rear of the vehicle. It seemed to be attracted to the fuel tank. -
Yeah I used to get intermittent problems like that on the '96 auto I used to own. Sometimes it would suddenly slip while in gear without notice. My transmission had some torque bind issues as well. I don't think it was specifically torque bind but had some similar symptoms. One of them was a really loud 'thunk' when shifting into Park after a drive. I think the problem was related to one of the solenoids. I was likely a electrical/electronic issue (I think a circuit was over-biased or something). Swapping TCUs didn't help. I drove it for nearly 100,000 miles in that state...but towards the end the transmission really had enough. Unusual symptoms like that can surely crop up after severe weather conditions regardless of the road (or what you learned in science class). --Damien
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Yeah he's right. These models are mainly for normal road driving but they are outstanding in slippery or snowy conditions due to the engine design and low center of gravity. It's wise to realize those things about various car models, anyway. When the big lizard sitting in your driveway gets pissed...it can get very unpleasant and sometimes it takes multiple hospitalizations for people to realize that.
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My guess is that the oil ring on the piston is not scraping the oil effectively from the cylinder inner wall on each stroke. That tiny residual amount likely goes up in smoke on each revolution. I'm told that if even a single pin-drop of oil is wasted on each engine revolution the pan would be bone dry within like...a few miles of driving. I get a similar problem from time to time to time. 150 miles of highway driving and the pan would be down a quart. Other times absolutely very little. Sometimes I can go a thousand miles and the pan would only be down hardly anything. What seemed to exacerbate the problem was driving in trying conditions (snow, slush, rain). What seemed to alleviate the problem is using additives. I usually put in a few ounces of the Lucas stuff in the pan per oil change and I also use their gasoline additive, too. Once I spilled a bunch of the gas additive and, seizing upon that opportunity I lighted the stuff I cleaned up with paper towels. It was definitely combustible but not volatile. It burned smoothly and uniformly. I took a whiff of it and it smelled a lot like plastic. So it's a petroleum byproduct but not an oil or simple hydrocarbon. With those additives in use I really seem to be able to drive a full 3+ thousand miles and typically I only have to add a quart at most. I also use synthetic oils a lot, too. Mobil 1 was purported to be on the of 'good ones'. One interesting property of Mobil 1 is that is expands about 6-7% (by volume) when heated to a typical operating temperature. I also use 'Startron' as well in the tank. You could be driving a lot on an odd end of a curve, too. If your engine is running hotter than normal (due to driving conditions or a heavier load) and the oil is 'iffy' it could be just the right set of conditions to cause a serious symptom. A lot of ethanol in the tank may also exacerbate the problem somehow. Such high temperature and pressure as is found within the combustion chamber introduces many additional potential factors that may have unforseen and unexpected chemical consequences, anyway. It's really difficult to 'nail it' without lots of experimentation and/or consulting experts. Bear in mind that the 'boxer' design of the Subaru engines may help cause just that kind of side-effect (among others). Hope that input helps, --Damien
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Well, you'd be surprised. The alcohol they mix into fuel nowadays is hydrophilic. Overnight, if the weather conditions are right, it can draw a full cup or two of water right into the tank. It tends to settle on the bottom of the tank and when you try to turn it over it gets sucked (along with other mysterious bio-reactive stuff) right into the fuel delivery system. I use a fuel additive (Startron) esp. during the wintertime. It greatly increases the miscibility of the fuel-alcohol-water mix. It also aids significantly its combustability and adds a few extra HP, to boot. The manufacturer claims it's a type of 'enzyme' and, for all I know...it may very well be. I buy in bulk and use about an OZ per tank. For $.83 a tank it's well worth the $$$. Cheers! --Damien
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Hi, The left turn signal on my 98 OBW is acting oddly. It blinks about twice as rapidly as normal and the rear light does not flash at all (although the front one does). It does work normally at times and none of the bulbs are burned out. I'm guessing it's a relay or something like that...what else could it be? Thanks, --Damien