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Old 11-18-2008, 06:22 PM   #1
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I think I toasted my transmission

Well we went wheeling Sunday and had a great time trail riding for a couple hours with a few good steep mountain trails and then there was mud!!! Well I hit a few of the mud holes and the last one close to the trail end looked a little deep but to my surprise it was very deep.I dropped in and in swallowed the front of the Jeep and I couldn't go forward or backward.The water was real deep on the right but not so bad on the left so the Jeep is sitting all sideways and the water is up to the front fender and the tailpipe is bubbling like crazy and the water is coming in the bottom of the passenger door.So anyway I have my son climb over and give it gas to keep it from stalling while I got out and hooked up the winch and got it out but not soon enough.I got water in the tranny.My first clue was once I hit the road I noticed the trans went into limp mode(stuck in 2nd gear) but I was 40 miles from home so I figured I would try to get back to the nearest town and call my brother with our tow truck but about 3 miles down the road it shifted and done ok the rest of the way home.Well sure enough the fluid was about 2 quarts overfull and looked like pepto bismo so I changed the fluid and filter and it shifts fine while cold but after it gets warm it will not shift down into 1st gear when you come to a stop.It only will go into 1st if you shift manually.I also notice the shift pattern is different,it takes a little longer to up shift now.All the other gears are fine except the delayed shift.No slipping yet but I figure it is on its way out.What do you all think???

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Old 11-18-2008, 06:37 PM   #2
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Did you actually flush ALL Of the fluid out by disco'ing the tranny cooler output line and pumping it out with the engine running and tranny in neutral while adding fresh ATF+4 from the top? Or did you just drop the tranny pan? If you just dropped the tranny pan, you drained less than half of the contaminated ATF that is inside the tranny and torque converter.

Besides, you actually need to flush it with fresh ATF, not just drain and refill, which can take 20 to 30 quarts of ATF to finally get all of the contaminated ATF out. I'd get it to a shop that can do a complete tranny flush IMMEDIATELY and have it flushed and refilled with fresh ATF+4.

You can't wait to do this, water can actually disolve the glue that holds some of the friction clutches on inside the tranny.

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Old 11-18-2008, 06:53 PM   #3
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Well at this point I wanted to change the filter and see how bad it was and to see if it helped at all to change the limited amount of fluid and filter.I Have a snap-on trans flush myself but wanted to see what or if it changed with what I did so far.I really hate to spend $120 on the overpriced ATF+4 and then still have to put another tranny in a week later.I do have 12 quarts but have to get another 18 to do a good flush.I could run it trough with 12 quarts but you probably know the flush method and the more quarts in the fresh tank the better or in my case the more of the contaminated fluid I will get out.My flush machine will cycle so many quarts out and so many in and then start it and it cycles more but I really hate to run 30 quarts at $5 a quart through and end up pulling the trans a week later but I think I will give it a shot.
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Old 11-18-2008, 07:05 PM   #4
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Hey Jerry do you really think a good flush will help it??I mean that is another $120 for the ATF on top of what I already have.I have found a tranny from Davey's Jeeps for $350 with 84000 miles.I mean with the filter and the 4 quarts already used and another $120 for fluid I just don't know.What do you think?
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Old 11-22-2008, 08:49 PM   #5
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Hey Jerry!!!!

Well I done a 24 quart flush on it today and it is better but still not 100%.....It shifts fine through all the gears but still will not shift all the way down into first at full stops.You can shift down manually and it is fine but if you try to take off from a full stop it is taking off in second gear and kind of shudders if you throttle to much.It does however shift normal(down into first by its self) sometimes but most of the time unless done manually it takes off in second.Any ideas??? I did see in the FSM it has an adjustment on the bands.One adjustment is external on the outside of the tranny the other is inside the trans pan.Hey Jerry any thought on the adjustments and purpose or affects those adjustments have???Oh and BTW no more water deeper than a mud puddle for me cause not only am I having trouble with the trans the starter is almost gone as well.Had to smack it with a hammer the last few morning to get it to start.
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Old 11-23-2008, 12:45 PM   #6
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On the starter, try flushing it with pressurized water from the hose, then rinse/flush it afterwards with lots of WD-40.

On the tranny, it's hard to say what is going on. You did what you should have done first, flushing all the water out with fresh ATF so the next step is to have a small independent tranny shop (I.E. not a chain transmission repair like AAMCO) take a look at it. It may just need to have its bands adjusted, but it may be more serious than that... water can damage a transmission very quickly since the glue used to hold the friction clutches in place is water soluable.
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Old 11-23-2008, 02:58 PM   #7
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Yeah I just got done pressure washing the starter out now for the WD I will have to hit it heavy with the WD cause I think the water is what is making it stick cause it only does it the first time in the morning and if it sits a while in the cold.I think it is freezing because it warmed up a little today and it started fine right off the bat but anyway I think I will just drive it a while and then change the filter again.The fluid coming from the trans on the last couple cycles on the flush were real close to as clear as the fresh fluid going in but still had a little discoloration to it.I have noticed from a stop if you give it just a little throttle and let back off then back on the gas again it will drop on down into first.I will just keep an eye out for a tranny while it is still going.If I find one reasonable and local I will get it and then drive it until she goes out.Of course if it goes out before hand I will have to pay a little more or an expensive shipping charge.Thanks for the help!!!

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