October 11, 20196 yr 2001 Outback/L.L. Bean; 3.0 Engine, 4EAT transmission, ~ 147K miles. I am about to replace Transfer Duty solenoid. Based on the number of posts I have read, I decided to go ahead and replace the clutch plates/disks as well. When I opened up the tranny extension case, I found everything looks really good. There are some very slight “grooves” on the inside of the reduction drive gear from the clutch plates. Hardly noticeable...especially compared to what I have seen others have had to deal with. I suspect these are from the recent issues with the Duty C and AWD lockup. I also "found" a black rubber gasket (or grommet) loose in side transfer case cover when I removed it... ~1/2" diameter , black, round (I'll try to attach a pic to this post). What is this for and where does it go? I have looked at a number of diagrams and schematics and I am stumped. Any ideas? The parts I ordered include: 31523AA450 Plate Set Transfer Clutch 31337AA191 Gasket Trans Case Rear 31377AA211 Ring Seal (x2) 31940AA181 Sol Ay Transfer Valve (Duty C Solenoid) 805100030 Snap Ring (for clutch plates) 806735210 Oil Seal 44011AE040 Gasket-Exhaust Pipe Front (x2) 31325KA080 Bolt Any tips, tricks, or suggestions on anything that might be helpful is much appreciated. This is my first venture into a transmission, so I am borderline paranoid of going into FUBAR-land.
October 23, 20196 yr On 10/11/2019 at 3:00 PM, burtman said: 2001 Outback/L.L. Bean; 3.0 Engine, 4EAT transmission, ~ 147K miles. I am about to replace Transfer Duty solenoid. Based on the number of posts I have read, I decided to go ahead and replace the clutch plates/disks as well. When I opened up the tranny extension case, I found everything looks really good. There are some very slight “grooves” on the inside of the reduction drive gear from the clutch plates. Hardly noticeable...especially compared to what I have seen others have had to deal with. I suspect these are from the recent issues with the Duty C and AWD lockup. I also "found" a black rubber gasket (or grommet) loose in side transfer case cover when I removed it... ~1/2" diameter , black, round (I'll try to attach a pic to this post). What is this for and where does it go? I have looked at a number of diagrams and schematics and I am stumped. Any ideas? The parts I ordered include: 31523AA450 Plate Set Transfer Clutch 31337AA191 Gasket Trans Case Rear 31377AA211 Ring Seal (x2) 31940AA181 Sol Ay Transfer Valve (Duty C Solenoid) 805100030 Snap Ring (for clutch plates) 806735210 Oil Seal 44011AE040 Gasket-Exhaust Pipe Front (x2) 31325KA080 Bolt Any tips, tricks, or suggestions on anything that might be helpful is much appreciated. This is my first venture into a transmission, so I am borderline paranoid of going into FUBAR-land. I think there might be a pressure passage from the main trans body to the tailshaft housing, if there is then it would need a seal, and that might be it.
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