wfothrottle Posted October 2, 2011 Share Posted October 2, 2011 My transmission just locked & I creeched to a stop while I was driving down the road. All 4 wheels locked. All of the sudden while I was driving it started learching, a little like a clutch spring was broken, then it whent away. A mile or so later it happened again only worse. I imediatly put the clutch in, and i slowly lurched to a stop. I started to again and the learching was gone....for a couple hundred feet, and started learching again. I put it in nutural this time, and it slowly learched to a stop. I started of again and again no problems, and once i got up to speed.......SLAM!!!!!......everything locks up and I skid to a stop. The engine is still running, and no codes, but the car won't roll at all. I get it home and I get all 4 wheels off the ground the front wheels spin oposite eachother, & the back wheels spin oposite eachother. Can anyone tell me what would make this transmission fail so dramaticly & with so little warning? Quote Link to comment Share on other sites More sharing options...
Mykeys Toy Posted October 2, 2011 Share Posted October 2, 2011 This should be in one of the tech. forums and a mod will probably move it for you. What year and model do you have? It's important for anyone to be able to help you out. My first thought is that your tranny is just bound up but that would thought only works for a full time 4wd. for a part time tranny I haven't a clue sorry. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted October 2, 2011 Share Posted October 2, 2011 Drain the gear oil. I'm sure there will be enough evidence there to indicate massive internal failure. GD Quote Link to comment Share on other sites More sharing options...
nipper Posted October 3, 2011 Share Posted October 3, 2011 Yaer model engine transmission type and mileage please Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted October 3, 2011 Share Posted October 3, 2011 Assuming a manual transmission. The center differential spider gear shaft fell out and lodged itself in the case of the transmission. A worn out main shaft bearing caused excessive backlash in the gear sets which caused extreme wear and eventually binding of the gear teeth until they jammed against each other and locked up completely. Or two gears could have engaged at the same time also because of a worn main shaft bearing, but I think this type of failure would stall the engine since it would force the input shaft to stop spinning. Quote Link to comment Share on other sites More sharing options...
Turbone Posted October 3, 2011 Share Posted October 3, 2011 I'vr grenaded a couple of front diffs like this. Broken teeth off the ring gear and the grease will sling them up and they catch in the teeth that are still left. Easiest thing to do is replace the trans. Quote Link to comment Share on other sites More sharing options...
wfothrottle Posted October 3, 2011 Author Share Posted October 3, 2011 it's a 99 forester awd w/ 130,000mi i'm looking to pull the trans in the next day or 2. Quote Link to comment Share on other sites More sharing options...
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