Tranny flush and Reprogram results. - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 3 (permalink) Old 06-30-2003, 01:41 AM Thread Starter
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Tranny flush and Reprogram results.

Well I have a 94 LHS that I recently bought and have been fixing up. I have noticed that my tranny once in a great while will do that shudder thingy (at around 40 mph it will shudder a bit while shifting at partial throttle).

I looked in the records that the previous owner had. She had the car's oil changes etc done at Jiffy Lube. I don't know about them but I would assume that they wouldn't use the correct atf-4 or atf-3 tranny fluid plus I have no idea what her husband used just to top it off. (All of their other cars were GM's like a couple of Corvettes, a Caddy, etc). So I think that most likely the wrong tranny fluid was put into the tranny..

I then had the local chrysler dealer (Spokane Chrysler) then do a complete flush and refill with atf-4 (no pan drop or filter drop, but they said with the back flow flush, it would most likely remove most of the loose debris). They treated my wife pretty darned nicely and washed the car, etc. I also had them flash the tranny computer with the most updated version of the tranny software and I had them do the "quick learn" procedure on the tranny. All that work was kinda expensive, about 200 dollars worth, however if it makes the tranny last longer, its worth it.

We have driven it all weekend long and especially went over areas where the shudder would make itself most known. It appears to have gone away completely. My wife was amazed that a complete flush could do that. The car seems to shift much smoother as well however with the smoothness comes a lack of quick shifts, but in a LHS, I really don't mind, I am not out for all out speed but rather comfort. I heard that the newer program does make the shift points slower and hence smoother but it is a worthly tradeoff.

Does anyone still recommend that I do the pain in the butt relearn of the tranny (disconnect battery, then find a 2 mile long straight section, do about 15-20 part throttle dead stop accells to about 45mph and then do a few full throttle kick downs?).

I am also planning in a month or so to have a nice big tranny cooler installed as well. Hopefully that will help as well.
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post #2 of 3 (permalink) Old 06-30-2003, 01:49 AM
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So no filter change?

Only do the relearn if you dont like how/where its shifting.
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post #3 of 3 (permalink) Old 06-30-2003, 02:30 AM Thread Starter
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No, there was no filter change, they didn't drop the pan. I am not too worried about that. In about a month or so, I am going to get a nice big ole tranny cooler and have it installed and when that is done, I am going to have them (my local garage) do a pan drop and filter change. It was just too expensive to have the dealer do the pan drop and filter change as well. I just wanted to get rid of any and all Dextron fluuid that was floating around in the tranny.
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