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05-03-2014
Anyone thinking the average "we work on every transmission out there" shop is an expert on any transmission, that's mistake number one. Once you are in the 4T65E game long enough and learn enough, there are true experts. Guys that live these POS transmissions and have helped sonnax and transgo develop new parts over the years.
Now..if you haven't spent hours learning from these people etc and still realize you don't know everything, please get off the soap box.
05-04-2014
I don't have hard shift issue but a slip and bang into gear randomly at stops... would a shift kit be a good band aid?
05-05-2014
No. Possibly some of the Lucas additive would help.Originally Posted by Grimsin
05-13-2014
Oh, right. Those 4T65E specialists. Every town has one. They're on every street corner. Or wait? Is that 3 people in the entire U.S.? The fact that there is a "4T65E game" and that one has to be in long enough is plenty to tell anyone that this transmission's problems are yet another GM failure that it refuses to take responsibility for. Furthermore, it is another reason that this shift kit thread is an invaluable resource to regular schmucks who can't find one of the 3 4T65E experts who are happy to sell them $4000 worth of service to fix an issue that they can elinate themselves for $100 + a couple of hours on their backs. Do you think the average driver gives a flying F as to whether the precise and proper original engineering principles are still at work on the inside?
Look - I get that from the "expert" perspective the long shift times that result in the P1811 and line pressuring maxing comes from underlying issueS that the partial install of the shift kit doesn't address. But its actually really and incredibly freaking obvious that the shift kit bits that you can install through the pan compensate for whatever those underlying issues are.
My soap box was specifically built in response to the sudden appearance of soap boxes. So I'll tell you what - you be the pot and I'll be kettle.
My father was born with 2 incredibly rare heart defects. He wasn't supposed to live past 20. He wasn't supposed to play any sports or do anything nuts or whatever. Oddly enough, the "experts" eventually figured out that one defect actually compensated for the other. He's coming up on 70 and spent a good portion of his younger life racing motorcycles. According to the "experts" he's "broken" - still not "right." According to real, practical, life? Ummmmm.....sure he could undergo massive and traumatic open heart surgery for 10s or 100s of thousands of dollars. For what? To be no different from when he started? And I could have spent $4000 for a transmission rebuild to have the same practical result as the $100 of shift kit and fluid & filter?
Tell you what. Do an experiment. Generate a random list of 1s & 2s. The internet, I'm sure, has plenty of places to do it. For the next 100 4T65Es that come into your shop with this issue (since I'm assuming you have one or you wouldn't be on the soap box), follow the list. 1 = do whatever you do. 2 = drop the pan, install accumulator kit / fluid / filter. Now track them for comebacks and later issues. Report back when you're done.
05-14-2014
I'm confused as to who has the tallest soapbox.
Good to hear your dad's natural band-aid is holding up.
05-14-2014
*grabs popcorn*
Sent from my Galaxy Tab 3 8.0
05-20-2014
Ok. Just diagnosed this problem. Quoted $3700 new tranny. Nope. 2005 Grand Prix with 165,000 on it and not worth new tranny install. Want to try the shift kit but I've never done tranny work. Only car upkeep (brakes/rotors/oil/etc).
Does anyone know if auto mechanics willing to install the shift kit? Live In Des Moines iowa. Want to try this "fix" before the inevitable happens. Just not comfortable doing myself.
Thanks for any info.
05-20-2014
Get yourself a shift kit, fluid, filter and have a ball I linked a how to if you wanna save yourself couple hundred bucks in labor. TEP trans is like 1300 or something shipped to your door or you could try your luck with a low mile junkyard trans.
http://www.grandprixforums.net/threa...ailed-Pictures
Sent from the Milky Way
05-21-2014
I had a great buzz going for that one and was having a great time with it. I think diatribes like that are only born of great buzzes. Nothing like a vigorous exchange of ideas as far as I'm concerned!I'm confused as to who has the tallest soapbox.
Good to hear your dad's natural band-aid is holding up.
05-21-2014
Like Russosaur said, just check out the how to. You can do this. I like ramps. While I had my pan off I also installed a drain plug. Just keep everything CLEAN and reinstall it CLEAN. Introducing contamination is basically the only thing to be paranoid about.
10-02-2015
Sorry to bring back an old thread, but I had a question on a trans cooler. Is this the right double stack cooler like mentioned previously?
http://www.amazon.com/gp/aw/d/B005XZ...K5MJBAPWZ6PKSE
10-02-2015
Your link is dead.
Read these.....
http://www.grandprixforums.net/threa...75#post1091475
http://www.grandprixforums.net/threa...n-fluid-cooler
http://www.grandprix.net/upgrades/cooler.html
http://ls1tech.com/forums/ls4-perfor...must-read.html
10-03-2015
Your link is not dead...that is exactly the brand trans coolers in my GP. Long (aka Dana) Double Stack coolers. I have (2) 18,000 GVW Long coolers in the grill, one one each side in the nose. Total GVW rating obviously 36,000 GVW doing all the trans fluid cooling OUTSIDE of the radiator...the cooler lines do not utilize the stock coolant radiator at all. All Trans fluid cooling is done by the Long Coolers. The single Long 24,000 GVW cooler in your link will be more than adequate for the cooling needs of the 4T65E transmission...my setup is a probably more than the transmission fluid needs although I have zero issues with the fluid being too cold in the winter months except that in temps below 20 degrees,the transmission takes about 3 miles of driving very easy before the fluid gets warm enough to shift into overdrive (88 degrees). In urban driving in very cold temps, driving in stop and go situations, the transmission fluid needs about 1-1.5 miles to heat up enough for overdrive since the torque converter slippage when stopped in drive from an automatic creates heat faster. I went with the (2) 18,000 GVW Long coolers since it was easier to get the smaller coolers in the grill but if I was doing it again, I would use a single 28,000 GVW cooler since it will fit and is more cost effective.
Since your question has come up, I am happy to report that the engine and trans in the GP is coming up on 180,000 miles with zero issues with either component. The trans continues to functioning perfectly with no hard shift occurence now for almost 100,000 miles...unbelieveable. I continue to change the trans fluid and filter at 20,000 mile intervals now. The transmission simply functions perfectly...zero hiccups.
Besides the Long 24,000 & 18,000 GVW coolers in my 94 Mustang GT with the full transgo shift, I am about to add a Long 28,000 GVW Cooler to my Chrysler 300 which BTW cools the trans fluid solely by air utilizing the bottom 1/3 of the AC condensor as a cooler. Since the 300 has lots of room under the hood and in the grille, I bought a Long 28,000 GVW cooler but I will also be adding a component that I first used in the very late 70's/early 80's on my first car a Nova SS....A remote transmission filter that utilizes a 1 QT oil filter in conjunction with the tiny filter in pan filter (I also have this one in my inventory and ready for install):
http://www.summitracing.com/parts/de...U1caAmGs8P8HAQ
I probably should have added this type of remote trans filter to the 4T65E back when I did the coolers/Transgo shift kit at 88,000 miles since I probably would have extended the trans fluid/in pan filter changes to 30,000 miles since the oil filter on the remote adapter is easy to change at 10,000 miles intervals.
I sold the Nova SS in the early 90's with 2 regular tube and fin coolers (no double stack ones back then) and this style remote Trans oil filter after beating the Turbo 350 transmission to death during its life at 168,000 miles...the transmission was still shifting perfectly at sale time. The filter pan changes on the Turbo 350 at the time with this remote filter showed zero contaminants in the pan when I did the changes...I mean zero...no particles, no film on the inside of the pan..nothing. I have not used this remote filter since that time, but will be on the 300.
I am now aiming for about another 50-60,000 miles on the 4T65E in the GP...maybe I should add the remote trans filter..more "band aids" LOL
Last edited by jbamonte; 10-03-2015 at 07:52 AM.
10-03-2015
Call me crazy, but with almost 36,000 hits on this thread, I find it curious that the moderators have not made this thread a sticky since it obviously has been invaluable to many people...Hmmmm
More people have viewed this thread than the other 3 stickys in the transmission thread of this forum.
Last edited by jbamonte; 10-03-2015 at 08:43 AM.
11-29-2016
Just want to give a hardy thank you to jbamonte...Bought a new to me Buick Ultra with a 1811 hard shift issue, slapped a partial shift kit in 1000 miles ago and the tranny and car are performing flawlessly...without the web and good hearted people that share their hard earned knowledge so freely, my costs of car ownership would be at the whim of transmission shops that quoted me $3000 for a rebuilt tranny...
Kudos to you jbamonte and all those that are generous with their knowledge...
r
11-30-2016
You are welcome! Glad to see someone else has benefited from the shift kit install. Still waiting for the this thread to be a sticky but after all these years and the nay sayers continuously down playing what I and many others have done with their 4T65E tranny' s to correct an issue that can be permanenty corrected rather easily I am not surprised.
BTW-My 01 GP tranny and 3.1 V6 (the other item constantly knocked on the forum as crap versus the 3.8 motor) with my 4T65E with the transgo shift installed at 88,000 miles and the dual double stick coolers in the grill doing ALL the tranny cooling outside of the radiator is now approaching 200,000 miles on both. I use Mobil 1 0W-40 european formula for the oil/mobil 1 oil filter and the engine has lost zero power, runs like the day the car was brand new, and uses zero oil between oil changes. The tranny shifts perfectly with trans/fluid changes every 20,000 miles using Dexron VI (another issues constantly bantered back and forth on this forum), not Dex III. Shooting for 250,000 miles for this tranny. The way the tranny is today, I think that the 4T65E could go to 300,000 miles but some rust on the car may lead to the demise of the car before that point...hope not. Still getting 28.5 MPG on the hwy and around 24-25 with mixed driving....
Really hard to argue with positive results.......
11-30-2016
I just now noticed this thread and have also bought and installed the zzp shift kit in my grand prix. Since this kit doesn't come with springs I was able to buy new ones from my work to replace the older ones so I kinda coustomed my kit together. I work on large accumulators at my work so the shim idea just doesn't go for 4t65e since we use the same idea as well as the same poly/uhmw material. We use it instead of metal cause its easier on the internals. Not sure if this was zzps theory behind it, but I bought this instead of the transgo kit. No previous problems in my trans but now its just that much better. Would def recommend this kit!
12-06-2016
Update for me- I did just the shift kit at 244k, no extra cooler. Drove all summer and never went to max adapt. Just normal shifts since the change. Just passed 260k recently. Shooting for 300. Only have the same rust problem though...
12-07-2016
Always great to hear! Also nice to see a 4T54E tranny approaching 250,000 miles. My short term goal for my tranny is 250,000 miles. I just did the LIM gasket on the 3.1L V6 since I had a coolant leak for the last 50,000 miles but turned out the LIM was fine (starting to show some gasket bulging on the end intake end on both banks but NO leaks-changed the gasket of course) but had 2 coolant leaks on the coolant tubes under the intake from the O rings. Also had a slight oil leak under the intake from the distributor plate not used on these engines and changed that seal as well. Cleaned the injectors, replaced injector o rings and the engine marches on. Mobil 1 0w-40 has left the engine super clean and all looked great....The GP continues to operate flawlessly....
01-11-2017
I plan to retrieve a 97 GTP (bought new) from my daughter who has had it for the past 7 years without proper maintenance. If the transmission works at all I will install the kit and coolers. This is a great "longitudinal" study and jbamonte ( and others) deserve a big shout out. There is always a chance that the e problem is somehow related to a Russian hack so let's stay tuned. Meanwhile, the street fixes rule.
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