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Old 02-26-2012, 04:27 PM   #1 (permalink)
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Default Tracker Automatic Transmission Shift Problems

Hello everyone, and THANK YOU to all of the people that have posted here in the past and helped me keep my '94 Geo Tracker alive and well.

First I will tel you how I finally got my Tracker to shift properly and then I will bore you with the details below.
After about 2 years of trial and error I added one 8 ounce bottle of a product called AT-205 to my transmission, made by a company named ATP, and almost immediately it started shifting NORMAL!

From the beginning. About 2 years ago my 3L30 transmission was functioning perfect except for losing fluid with no external leaks. Using information I got from this site I checked the modulator and found it leaking internally and burning the missing fluid in the intake system. I never had any smoke from the exhaust.
I ordered a new modulator as well as a new screen and pan gasket. I replaced the modulator, screen, and gasket. I drove the car and noticed it took a little while before it up-shifted. Afterward it operated normally until I let it sit overnight. Then it wouldn't up-shift for the first trip of each day until it was driven for 1/2 to 3/4 of a mile. Once it shifted it was fine the rest of the day. The transmission went into a kind of "neutral" until it decided to start shifting. I have seen this referred to as "flaring" on some of the posts on this site.
Thinking I may have gotten a bad modulator I ordered another one from a different source and installed it. There was no change in the shift problem. I then took the first new modulator and ran the internal adjustment all the way in and then almost all of the way out but there was no improvement at all in the shifting. I reinstalled the second new modulator.
A few months later I removed some transmission fluid and replaced it with a bottle of Lucas transmission treatment. Still no improvement.
After reading as much information as I could find about the shift problem I decided the governor or governor screen must be the culprit. I removed everything necessary to get to the governor and removed it. The governor was clean and the valves moved freely. The screen looked like new but was replaced with a new one. I even had a transmission pro check the governor and he didn't see anything wrong with it.
After putting everything back together, including new fluid, screen, and pan gasket, I took it for a test drive, with absolutely no change in the shift problem.
I went back to the internet and searched everywhere I could find for shift problems using every term I could think of to describe my problem.
I visited a site where someone was experiencing a similar problem with their transmission (not a Suzuki or Tracker) and had stopped the problem with a bottle of AT-205 that they had seen advertised by Scotty Kilmer. Having never heard of either of them I went to scottykilmer.com and watched his video about this product as well as some testimonials he had about it. After looking at it I was convinced it wouldn't harm my transmission and for the price it would be worth trying since I was about down to a miracle or an overhaul.
I bought 4 bottles at $7.66 each plus shipping on Amazon.com.
Over a week ago my wife returned home after running some errands and was getting ready to leave again with more errands. I added one bottle of AT-205 before she left. I didn't bother to remove any fluid since I was only adding 8 ounces to it. The next morning and every time since the transmission has shifted NORMALLY again.
I can hardly believe it since I don't usually believe in miracle cures or snake oil.
I have no idea whether this treatment will last another day or 100k miles down the road. I do know that my transmission is operating perfectly now, something it hasn't done in the last 2 years.
I will post again in about a month to report how it's doing.
I also don't know if it will help your shifting problem since some common problems can have different causes.
If you decide to try it I hope you're as lucky as I am and it corrects your problem.
One of my local auto parts store has AT-205 in stock at nearly double the price on Amazon.

Good luck and thanks again to the people who post here.

d2a2

USA 1994 Geo Tracker,1.6L,8v,tbi, 3 spd at,4wd,100k+, bought new!!
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Old 02-27-2012, 05:33 AM   #2 (permalink)
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Thanks for the info. AT-205 apparently stops seals from leaking (among other things). A Scotty Kilmer recommendation is always pretty good. From the AT-205 site:

AT-205 RE-SEAL® is a special plasticizer which softens and expands hydraulic seals to stop leaks. AT-205 can be used for power steering, transmission, engine, differential and any hydraulic system (except brakes) leaks. In addition, AT-205 will restore sunroof seals, wiper blades and any rubber-based items.

AT-205 contains no petroleum distillates and will not cause seals to become gummy and eventually break down.

AT-205 RE-SEAL® will replace over one dozen different single purpose leak products.



Thanks for the info, and let us know how you get on with this product.
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Old 02-27-2012, 11:59 AM   #3 (permalink)
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One thing I forgot to mention. When I replaced the fluid after cleaning the governor I added a bottle of LubeGard (red label) to the fluid. Although the shift problem didn't change afterward the LubeGard was still in the transmission when I added the AT-205. I don't know if the combination of the two corrected the problem or if it was only the AT-205 that did it.

d2a2

USA 1994 Geo Tracker,1.6L,8v,tbi, 3 spd at,4wd,100k+, bought new!!
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Old 02-27-2012, 01:09 PM   #4 (permalink)
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Even though Scotty Kilmer appears to be a good mechanic and I enjoy watching his videos. When ever he recommends using something as a quick fix I can never shake the thought of either; "This stuff won't work" and "Just masking a problem".

That said, amazingly every product he mentions is on the shelves in my location. Which is strange because it is usually hard to find anything.
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Old 02-28-2012, 07:29 AM   #5 (permalink)
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I recently bought a 94 USA 2WD Tracker with a 3-speed automatic to use as a parts car. When I started checking it out, it seemed in too good a shape to strip so I decided to invest a few dollars and hours to see if it could be saved. A new waterpump and timing belt fixed the engine. The automatic transmission worked OK most of the time, but had the classic "failure to shift from first to second when cold" problem. It also leaked from around the front. I dropped the pan, put in a new filter, and replaced the fluid. I then decided to try some Sea Foam transmission additive to loosen up the gunk before changing the transmission fluid again. The "failure to shift" problem went away immediately. To my surprise, the fluid leak stopped too. ... (If you're looking for a miracle product for your transmission, stop reading now. If you want to know the truth, keep reading.) ... I decided to drive the car for a while and it worked fine for about a hundred miles. Then the leak returned.

d2a2 -
Given my experience with additives, I'd like to know if your transmission is still leak-free and shifting well 2,000 miles from now. Please come back and tell us how it turns out.
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Old 03-22-2012, 11:42 AM   #6 (permalink)
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Well, it's been 250 local miles so far and the transmission is still performing perfectly. My Tracker is only driven locally for 15 to 20 miles per trip so the miles add up slowly. This 250 miles represents lots of cold start-up and go trips and the transmission hasn't failed to shift normally at all.
I will update in another 250 miles.
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Old 03-22-2012, 06:55 PM   #7 (permalink)
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I just now noticed that my 96 soft top is doing the same thing from a cold start up(usually overnight). Once I got her warmed up...it appears to shift smoothly.

Thanks for the 411.....I think I will give this a shot.

I have noticed drops of auto fluid on my garage floor.....so Ive been meaning to remove the pan, replace the filter and gasket, and add new fluid...would it be wise to have the system flushed at a shop?
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Old 03-22-2012, 07:21 PM   #8 (permalink)
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I didn't do an entire flush either time I replaced the pan gasket and filter. If your fluid isn't pinkish-clear or smells burnt i would do a complete flush. Good luck with the At-205 additive, let us know how it works out.
P.S. I added a little of this additive to my floor jack like Scotty Kilmer said he did and the jack stopped leaking!
d2a2
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Old 03-22-2012, 07:36 PM   #9 (permalink)
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The drops on the garage floor appear to be pinkish and clear.....so ill pass on the flush for now.
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Last edited by RocklinTracker; 03-22-2012 at 07:42 PM.
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Old 03-22-2012, 07:43 PM   #10 (permalink)
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If that's the case I probably wouldn't go for the full flush.
d2a2

USA 1994 Geo Tracker,1.6L,8v,tbi, 3 spd at,4wd,100k+, bought new!!
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