
RodA2003
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Well it would not start with the key a couple od days ago, and fiddling with the shift lever had no effect. I repeatedly tried jiggling it between park and neutral, but no joy. I could hear the new starter relay under glovebox click, and the starter solenoid click too, but the starter failed to turn. Connecting the soledoid to the battery worked though, with the starter spinning at full speed. Any ideas? Rod
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Pretty sure it's not the starter. I replaced that earlier to no effect. When it does start, it always cranks at full speed. Don't think it's a battery or cable problem. A new battery recently had no effect. When I hot wire the starter, I connect the + battery post to the solenoid relay - starter is getting its power through the regular high current wire, which is always connected. So I am not bypassing the battery cable. Car has AT, so maybe it is the interlock switch for detecting the park/neutral position? Rod
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My 97 OB is dificult ot start sometimes. Symptom is that turning the key fully clockwise sometimes takes several seconds to get the starter motor turning, and sometimes it fails entirely. I thought it must be worn contacts in the ignition switch, or a bad relay in the starting circuit. I assume that it's not the starter itself, as connecting a wire from the battery to the solenoid on the starter always starts it immediately. The several seconds of delay is always worse after the car has been unused for some time. Recently it consistently failed to start, so I disabled parts of the wiring until I found the relay under the dash, right under the glovebox. At this point I had the starter disconnected, and I could hear the relay when I tried to start. With the starter connected, it still failed to start. I cleaned the contacts, and it started immediately. I replaced it with a new Subaru relay several days ago, but since then the delay has grown again, until today it failed altogether, and I had to hot wire the starter. Does all this mean it must be worn contacts in the ignition switch? The switch module looks pretty hard to take apart. Rod
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Agreed, the MPT does the equivalent of a limited aspect of a mechanical differential, but it is lacking other features normally considered part of a differential: 1. An input shaft with two driven output shafts. 2. An inbuilt gear reduction. 3. Neglecting very small frictional losses, the input power equals the sum of the power from the 2 drivern shafts. This last point is important. With friction plates or viscous couplings, the differential in power between input and output is all wasted as heat, and not used to propell the car. So I think it is very misleading terminology to call such devices differentials. See also http://www.car-videos.com/whatis/differential.asp
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Is it true that for 97 Outbacks with AT at least, there is no center differential? In looking at http://www.endwrench.com/pdf/drivetrain/Ft4EATTransmissionsW98.pdf there is a description of the muti-plate clutch pack (MPT) that says how the duty solenoid determines the amount of AWD. It also says that the power to the rear goes from the reduction power shaft through the MPT to the rear drive shaft. There is no mention of a center differential anywhere. I think others have suggested that the MPT (or viscous coupling for MT cars) performs a limited slip operation for a center diff, but that doesn't seem to be true. R
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If you clean up the underside of the engine, and then run it, it should be easy to see if the oil leaks are from the back, or front, or both. It is much more likely to be from the front, which is relatively easy to fix. If it is from the back, the engine must be removed. Then replace the rear crank seal and redo the silicon on the rear oil gallery portal. I did this job in a weekend and have had no leaks since.