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Hey guys, hope you can help. i have a 2004 subaru outback H6 engine and auto transmission. The car drives and shifts fine. My problem is that when i turn at low speed i hear clunking and binding coming from a differential. i have found that the center diff is the culprit. my question is, what happens if i continue to drive it like this? can the center diff be change on this car without taking the tranny off the car? Can i do anything to lessen this problem? and finally, what is the average shop price for this job (although i am looking to do it my self, with Eric’s help, i hope). Any insight into this problem will be greatly appreciated. thx again for your time and help. wilson
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i did that already. didn’t help. something weird is that i change the transmission fluid, and i made sure to put in the correct amount (3.5 quarts). now, the dip stick is way over flown when transmission is cold. and it seems to go down a bit when it is at operating temp (but still shows too much). from my research, people are definatelly pointing to the center diff. what happens if i driving it like this? i’m counting on you wysetech lol
OH! OH! The pressure is on now. 😳 I’m not a Subaru expert at all but I have corrected a couple of binding problems by changing the fluids in the whole drive train.
I know that Subaru as well as other makes are sensitive to fluid age and condition. The wrong fluid is even worse.I’m not sure if your current problem is gonna cause additional problems but It can’t be a good thing.
It’s kinda like the torque converter on my 07 Caravan had an annoying shudder. The transmission worked perfect in every other way. I changed the fluid but it didn’t help much. The trans shop I got a second opinion from, suggested that I just replace the converter since it only had 91000kl on it and warned me not to let it go for too long before repairing it as debris floating around from the converter might cause other problems.
I put it off just long enough that It cost me a complete rebuild. :sick:
thx wysetech, lol. all fingers point to the center diff. i think it is fryed. i’ve seem write ups on subi’s chats. But i always come back to the experts. they have write ups on the 4 cylinder engine and i am pretty sure i can do it on that eng, however, i wonder if it would be different on the H6 engine.
If it’s anything like mine, there really isn’t a center diff so much as a power transfer clutch inside the transmission. There is a front differential that’s separate from the transmission that powers the front wheels but power transfer to the front and rear wheels is handled by a clutch inside the transmission from what I saw. I believe this clutch is controlled by a duty cycled solenoid. If you’re having problems with it, it might mean replacing the transmission or having it rebuilt. In fact you might be able to verify it be pulling the FWD fuse under the hood and locking it into FWD. If the problem goes away when it’s in FWD, perhaps the problem is inside the transmission. If it doesn’t change, then perhaps you have an issue with the front differential.
Lastly, with any AWD or 4WD vehicle, it’s very important that all tires are the same. If you have different tires on the front than you do on the back, this can upset the AWD system. Be sure all tires are the same size and type. If not, it can reek havoc with the AWD system.
Keep us posted.
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