kanurys Posted May 4, 2012 Share Posted May 4, 2012 My buddy's girlfriend drove their 1998 legacy outback with 4eat over a really big rock and did some damage to the oil pan, exhaust and transmission pan. The transmission temp warning light flashes and the check engine light is on. There are no ECU codes stored and it has good oil pressure. Engine sounds pretty good. I pulled code 76 from the TCU, which I can't find a reference for. Any ideas? Link to comment Share on other sites More sharing options...
johnceggleston Posted May 4, 2012 Share Posted May 4, 2012 (edited) almost any dent in the trans oil pan will pinch wires and cause issues. drop the pan, bag out the dent. be careful about the perimeter where it bolts to the trans. it needs to be flat and square. check the wiring inside, look for damage and repair. put it back together with a good quality RTV type gasket product and drive on. leaking anything is a different story, address that separately. Edited May 4, 2012 by johnceggleston Link to comment Share on other sites More sharing options...
Caboobaroo Posted May 5, 2012 Share Posted May 5, 2012 Line pressure solenoid? The transmission is going to have some damage to the valvebody and the electrical just inside the pan. Drop the pan and look for whats damaged and start there. Link to comment Share on other sites More sharing options...
kanurys Posted May 5, 2012 Author Share Posted May 5, 2012 Thanks guys, we'll check it out. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted May 5, 2012 Share Posted May 5, 2012 if the oil pan is dented, you may need to inspect the pickup tube for cracks. Just because the oil light isn't on, doesn't mean you have adequate oil pressure. it only lights below 3-4 psi. If you used a real gauge - never mind. Link to comment Share on other sites More sharing options...
Fairtax4me Posted May 5, 2012 Share Posted May 5, 2012 Check engine light is probably gonna be the rear oxygen sensor. The wiring is not exposed, but the sensor could have hit the bottom of the floor pan. Front sensor is not likely damaged unless the Y pipe is bent up and the cat got crushed. If there is damage to the cat housing, it should be replaced. Any pieces of the honeycomb sections in the cat that might have broken off will clog it and will cause running trouble with the engine. Second checking oil pressure with a gauge. I would still remove the oil pan and make damn sure the pickup tube isn't damaged. Link to comment Share on other sites More sharing options...
kanurys Posted May 5, 2012 Author Share Posted May 5, 2012 Sound thinking. I thought the same thing about the oil pickup. I'll look for any interference with the o2 sensor. That makes sense. Link to comment Share on other sites More sharing options...
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