AdventureSubaru Posted October 7, 2016 Share Posted October 7, 2016 Looking to pick up a new project outback. Has a blown automatic transmission. Anyone forsee any towing issues of 25 miles in neutral if I disconnect the rear drive shaft? I know its a big nono in general but if the trans is already blown, I'm not concerned with damaging it. Just getting it home. Link to comment Share on other sites More sharing options...
AdventureSubaru Posted October 7, 2016 Author Share Posted October 7, 2016 And as I think of it, do I need to disconnect the drive shaft? I don't want to damage any good parts, but if the diff is OK I won't waste my time Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted October 7, 2016 Share Posted October 7, 2016 I suppose there's an extremely unlikely internal failure of some type (what???) that might lock-up something internal to the trans or front diff - depending on 'what' is the trans issue. given your post though - I think it's fine. ATF will get overheated, but front diff is splash lubricated. viscous unit ??? I dunno Link to comment Share on other sites More sharing options...
AdventureSubaru Posted October 7, 2016 Author Share Posted October 7, 2016 That was my thought too. Unless the trans tears apart and locks up internally it should roll 20 miles Disconnect rear different? Yay or nay? Thinking it should roll fine too but I have limited knowledge on the workings. Link to comment Share on other sites More sharing options...
golucky66 Posted October 7, 2016 Share Posted October 7, 2016 I would disconnect it just to be safe if you have the time and means to. Otherwise. Agreed with 1 Lucky Texan Link to comment Share on other sites More sharing options...
CNY_Dave Posted October 7, 2016 Share Posted October 7, 2016 Tow with engine running in neutral? Link to comment Share on other sites More sharing options...
Numbchux Posted October 7, 2016 Share Posted October 7, 2016 The transmission will not lubricate itself without the engine running, so go very slow. The faster you go, the more friction/heat/damage... Leave the shaft connected, that will keep the output shafts spinning at the same speed, anyway. Pulling the shaft and towing on a dolly would be far better. Link to comment Share on other sites More sharing options...
DaveT Posted October 7, 2016 Share Posted October 7, 2016 Engine idling in neutral I would think would work, BUT not if the oil pump is what is failed, so check for oil circulation if you decide to try that. I have flat towed my older 4wd automatics, slow not more than 20 miles, with no problems, but I know that the 4wd clutch pack is released when the engine is off. Awd could be different. Link to comment Share on other sites More sharing options...
Numbchux Posted October 7, 2016 Share Posted October 7, 2016 Early (maybe phase I, might have been a later change) duty-c solenoids do default to released, but even without actual hydraulic pressure on the clutch packs, I personally would feel better with everything spinning the same speed. IMO, your saving yourself some work, and you might be glad you didn't roast anything in there later. And yes, if you idle the engine in neutral, it should keep stuff lubricated. I don't think pump failure is very common, but DaveT is right, if it has failed, that won't help. Link to comment Share on other sites More sharing options...
lmdew Posted October 7, 2016 Share Posted October 7, 2016 I've towed lots on the dolly. Drop the 4 driveshaft bolts at the rear diff and head down the road. Larry Link to comment Share on other sites More sharing options...
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