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1997 Mits. Eclipse Transmission Issue
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kyleballiet
Novice
Oct 27, 2012, 4:35 AM
Post #1 of 9
(4475 views)
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1997 Mits. Eclipse Transmission Issue
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Let me begin by saying thank you to those who respond to this - I really appreciate any help. 
Car: 1997 (2G) Mitsubishi Eclipse GS (4 Cyl, 2.0L 420A DOHC)
Mileage: 197000
My issue started about a week ago when my car would lose gear, or at least feel like it, when I would slow down for a stoplight and make a sharp right turn. Yesterday, I did the same thing, lost gear, and after stopping less than a mile later I parked and turned the car off. When I started the vehicle again and started driving I accelerated to 40 MPH and my car lost gear, revved to between 4000-4500 RPM would go into gear and so on and so forth for about half a mile when I stopped, parked, and turned the car off once again. Now when attempting to put the car into reverse, drive, or any gear the car behaves as if in neutral, and eventually if I leave it in gear long enough will catch and my RPM will drop to less than (or about) 400 RPM and the car will shake for about 5 seconds and I can drive a short distance (about 50 - 100 feet) before losing gear again.
Also, checked the fluid and it's at the correct level - at least I checked that much. 
Any ideas on what to check or look for?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 27, 2012, 5:20 AM
Post #2 of 9
(4450 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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Can't know for sure but this sounds terrible for that transmission. It can behave like neutral then drag RPM down to 400 - arggh! Not good. It needs to be inspected in person by a trans shop. My guess is it is physically broken (some parts) inside vs any normal wear out. Probably too late but driving it more can only make matters worse and might take a good "core" to rebuild and not that one but only full inspection would surface that for sure,
T
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kyleballiet
Novice
Oct 27, 2012, 6:11 AM
Post #3 of 9
(4439 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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Curses! That's about what I expected the news to be. Thanks so much for that incredibly speedy response!
I'll repost once I find out what the issue is in case someone else ever has the exact same thing happen.
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MarineGrunt
Enthusiast
Oct 27, 2012, 6:37 AM
Post #4 of 9
(4429 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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I'm no mechanic but work on my own vehicles. We lost the tranny in my wife's minivan awhile back. A week before it went out it acted up by no longer shifting into overdrive. I kinda figure we were in some trouble. We decided it was time to look for a new vehicle. I decided to drive the minivan, which was a dumb thing to do. We found one we like but it was up by Chicago which was a 2 and a half hour drive. We were on the interstate about an hour away from our destination. We were in the right hand lane approaching a slow moving vehicle. I put on our blinker, accelerated, and went to pass. The second I accelerated, bam, the van felt like it was in neutral. Luckily I was able to swing over to an off ramp.
I'm thinking Tom nailed it. What I am getting at is that if it feels like it's in neutral something inside the tranny is broke. I decided to attempt to rebuild mine myself. I just pulled it apart a few days ago. Inside I noticed the oil pump gear was broke, stator was worn down about 1/8 of an inch, the input wave plate was broke in half, the oil pump shaft is broke, and some clutch plates were worn.
There are so many different moving parts inside an automatic transmission and all it takes it one part to go south. I think on mine the oil pump shaft broke, which prevented the fluid from being pumped through, which caused the other parts to break apart. Hopefully there's something else causing the issue with yours but more than likely it's time for a rebuild or a new transmission.
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kyleballiet
Novice
Oct 28, 2012, 7:14 AM
Post #5 of 9
(4388 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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Checked tranny fluid again today... it was a lovely orange color. Any thoughts on that? I wonder if I'm getting coolant in my transmission fluid.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 28, 2012, 8:02 AM
Post #6 of 9
(4382 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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Is level too high? Is coolant level correct? When EGs of any color mix they usually get a creaminess not just color changes. If coolant is getting in trans it will wreck it. If just a color confusion and that's all means little. Dark and burnt trans fluid color is a bad sign but not the only way one can fail. As said a broken part is likely and may not change fluid color,
T
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kyleballiet
Novice
Oct 28, 2012, 8:13 AM
Post #7 of 9
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Re: 1997 Mits. Eclipse Transmission Issue
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The level definitely was coming up as high and looks like a creamy orange-ish fluid. I think something else is getting into it since when I checked it before it came up normal.
I won't be able to look at the car again until Wednesday or so after this hurricane passes PA.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 28, 2012, 8:27 AM
Post #8 of 9
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Re: 1997 Mits. Eclipse Transmission Issue
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Watching that storm in East central MA too. If good insurance on this car perhaps find a good low lying area to park it - not funny. The level showing higher and the creaminess is damning for mixing in coolant where trans lines cool fluid inside radiator. Not good news. Terrible to trans as it tries to operate on shaving cream and need to fix that cause as well.
Take care for that storm. The car is just a car. Watching biz channels on TV preoccupied by the storm. Either of us could be off line for who knows how long depending on what really happens where.
Plan on needing a trans redo and a new radiator any all the flushing out of mixed products that don't like each other,
Tom
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kyleballiet
Novice
Oct 28, 2012, 3:53 PM
Post #9 of 9
(4357 views)
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Re: 1997 Mits. Eclipse Transmission Issue
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Thank you so much, Tom. I really appreciate your help.
I hope you stay safe and dry during this hurricane.
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