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Car Forum / Acura Cars / May 200496 Acura RL - possible transmission shudder problem after transmission flush
About 3 months ago, I had some service work done on my 96 acura with 67k miles, including a transmission flush. Soon afterwards, I noticed 2 things. The first was a very slight noise while driving before the engine warmed up. The second felt like an engine misfire when the transmission was in 4th gear and engine rpm was below 1500 and I gently accelerated (I could even describe it as being like luggiing a manual transmission car). I dismissed the slight whine as being caused by the very cold weather at the time, and thought the "misfire" might be either a tuneup issue or even my imagination (since it was almost imperceptable). Eventually, I brought it back to the place where I had the work done and descriped the problem. They could not notice anything. I did this a couple of times. They still couldn't detect, but didn't disagree with me that there might be something. So yesterday I took a ride in the car with their chief tech person and got the symptom to manifest itself (it's getting easier to do so, btw). He suggested that it's possibly transmission shudder and they are reflushing it (as I type) to see if it corrects the problem. My main concern is if this is he problem and it was caused by them using the wrong fluid, what is the long term affect on the transmission? I would like to keep the car another 5 to 6 years, in which time I add another 60-80k miles. >About 3 months ago, I had some service work done on my 96 acura with 67k >miles, including a transmission flush. Soon afterwards, I noticed 2 things. [quoted text clipped - 15 lines] >the transmission? I would like to keep the car another 5 to 6 years, in >which time I add another 60-80k miles. I had a similar problem with my 90 Legend when my trans fluid was flushed, although mine had even more severe symptoms than yours. Once the problem was identified and *GENUINE* Honda ATF was used the problem went away. Honda claims that the tranny uses standard Dexron II, but that simply isn't true. The good news is that the shudder problem was 80,000 miles ago, with no tranny problems since. thanks for the hopefully good news. Just got back from the shop. the flushd again and the problem still exists. they tried to say that it was probably a coincidence, and that the first flush probably removed some buildup that was preventing the problem from showing (I'm not kidding on this). I simply said I'll take it to the dealer to check. > thanks for the hopefully good news. Just got back from the shop. the flushd > again and the problem still exists. they tried to say that it was probably a > coincidence, and that the first flush probably removed some buildup that was > preventing the problem from showing (I'm not kidding on this). I simply said > I'll take it to the dealer to check. I had my 96 RL in for transmission flush last year at ab out 68,000 miles. One week after, on my way to work on the freeway, all warning lights came on and the car started running extremely rough. Had to have it towed in because I noticed all this trans fluid under the car. It turns out that one of the cooling lines was not attached properly and the clip or whatever slipped off and I lost fluid. They reflushed the system and all has been okay so far one year later. But, who knows. Some damage could have been done that won't show up till later. I've now got 78,000 and car runs like new. My fingers are crossed. cheers They probably ran Dexron thru it and left it in. You should use the Honda ATF Z1 transmission fluid in these cars. Try getting it flushed at the dealer. The consistency is very different and it may fix your problem. Once I put very good quality Dexron into a Lexus transmission and it was hitting every gear HARD until I flushed it out and put in the required Toyota T-IV fluid. > thanks for the hopefully good news. Just got back from the shop. the flushd > again and the problem still exists. they tried to say that it was probably a > coincidence, and that the first flush probably removed some buildup that was > preventing the problem from showing (I'm not kidding on this). I simply said > I'll take it to the dealer to check. Dealer has flushed the transmission. They told me I need to drive it for 200 miles to see if that fixes it. They are also wondering if the balance shaft was replaced 180 degrees to original. that could cause some roughness. They plan to test that by comparing my car to another 96 rl if the reflush doesn't work. > About 3 months ago, I had some service work done on my 96 acura with > 67k miles, including a transmission flush. Soon afterwards, I noticed [quoted text clipped - 17 lines] > the transmission? I would like to keep the car another 5 to 6 years, > in which time I add another 60-80k miles. Never, NEVER, have a transmission flush job done, it screws up the pump big time.... <eg> > > About 3 months ago, I had some service work done on my 96 acura with > > 67k miles, including a transmission flush. Soon afterwards, I noticed [quoted text clipped - 19 lines] > Never, NEVER, have a transmission flush job done, it screws up the pump big > time.... <eg> What non-sense. You have to drain the trans fluid periodically. Mine has 265000 miles on it; I drain the fluid every 30,000 miles. I use the manufacturer's recommendation: Dexron 2 (now 3). Draining it is the best thing you can do for it. Now, if they put in REAL HONDA fluid (if that's what is called for), you are OK. If they put in a non-recommended fluid, drive it over to Acura and have the job redone; twice. My 2 cents. Doug >>> About 3 months ago, I had some service work done on my 96 acura with >>> 67k miles, including a transmission flush. Soon afterwards, I [quoted text clipped - 32 lines] > > Doug Read it again, DOUG, I said never have a transmission FLUSH done. Drain and fill is the best way to go.......... :-P > >>> About 3 months ago, I had some service work done on my 96 acura with > >>> 67k miles, including a transmission flush. Soon afterwards, I [quoted text clipped - 34 lines] > Read it again, DOUG, I said never have a transmission FLUSH done. Drain and > fill is the best way to go.......... :-P I think the work "flush" and "drain" are synonymous in the repair business. However, flush indicates some kind of pressure method (like a radiator flush), which I don't think is possible with a trans (at least I wouldn't consider a pressure method for my car). Guess it's just a word issue. On 5/3/04 7:05 AM, in article 4Aqlc.14567$u_4.4046@twister.rdc-kc.rr.com, >>>>> About 3 months ago, I had some service work done on my 96 acura with >>>>> 67k miles, including a transmission flush. Soon afterwards, I [quoted text clipped - 40 lines] > flush), which I don't think is possible with a trans (at least I wouldn't > consider a pressure method for my car). Guess it's just a word issue. No. Flush has a specific meaning for changing transmission fluid. They hook up a machine to the transmission cooling hoses at the radiator and pour new fluid in one side while collecting the old coming out the other. It is an easy way to replace all the fluid, including the stuff in the torque converter that does not come out when you open the drain plug (or drop the pan, depending on the car). The concern is that the crud laying in the bottom (Hondas tend to have neither a removable filter nor a removable pan) might get sucked into little passages and cause trouble. Frankly, I have not heard of a specific, documented case of it happening, but that's the concern. >> I think the work "flush" and "drain" are synonymous in the repair >> business. However, flush indicates some kind of pressure method [quoted text clipped - 13 lines] > little passages and cause trouble. Frankly, I have not heard of a > specific, documented case of it happening, but that's the concern. Actually that is the concern, using the transmission pump to push all the crud through and screw up the transmission in the process. Apparently happens too often and some shops have gone away from it back to the old proven drain and refill method. ;-( > >> I think the work "flush" and "drain" are synonymous in the repair > >> business. However, flush indicates some kind of pressure method [quoted text clipped - 18 lines] > happens too often and some shops have gone away from it back to the old > proven drain and refill method. ;-( Thanks for clearing this up for me. Hope the original poster with the RL has the problem corrected. Doug |
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