6f35 transmission hard shift
It also happens when the car is towing and under heavy acceleration. Same complaint during first start up and acceleration from 1st to 2nd gear experiencing a jerk (this is not hesitation but a jerk as twice before). 0000045847 00000 n 0000046601 00000 n Advise the customer that this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle's computer to learn the transmission's unique parameters and improve . The solution: The recommended remedy to this problem is to modify the valve body by deleting a hole located on the separator plate. The cheapest I've seen a new 6F35 go for is around $4,000, before installation. To address the TCC problems, a new TCC regulator valve is included that is fitted with a scarf cut sealing ring at one end which restores the valve function without reaming the bore. Forum contains no unread posts Sometimes, finding the cause of a complaint isnt as straightforward as one would expect; sometimes, these causes can be very elusive. Press question mark to learn the rest of the keyboard shortcuts. Purchased a 2017 Explorer Sport AWD April 2018 with 125 miles. This problem mainly affected vehicles equipped with all-wheel-drive manufactured in 2009. This process is quite involving and requires an expert as even the system's recalibration and the sensors' resetting are necessary. xUn0E|,[uaj@"R$}3KX,. Aside from fluid changes there's nothing much you can do. This problem is caused by a flaw in the Transmission valve body. Replied {/sarcasm}. Do I need a vacuum pump? Some of the cars affected include Ford Taurus, Ford Flex, Lincoln MKT, and Mercury Milan. It depends on your definition of hard; I might be inclined to say it's normal for the 6F35. The kit includes an oversized solenoid pressure regulator valve. It almost makes me a little afraid to do that as things might be grinding or doing damagebut there is no sound or awkward feelingjust the shifting delay for about one second. Remember, I explained this is not a hesitation but a jerk in shift 1st to 2nd gear. Which part? These cookies do not store any personal information. I've noticed a hard shift from 1st to 2nd when cold as well, but I have had my transmission rebuilt. 0000094642 00000 n On Ford Escape Forum discover news, discussions, service tips, & technical help for your 2013+ Escape. JavaScript is disabled. This electronically controlled 6-speed automatic can suffer from a variety of issues, which mostly stem from poorly designed components. Despite what the printout says, the condition goes back to 2010. Because of the intensity of the work involved, you should seek the services of an expert mechanic if you are not one. Jul 28, 2013. Unapproved September 27, 2022 The 6F35 Transmission from Ford is one of the ingeniously designed transmissions from this American car maker. Took it in again, Dealer found shavings in trans fluid, said it needed to be rebuilt. When the technician started the car and accelerated he experience the same jerk. I keep seeing these posts about the hard shifting. And Here's Why. How much effort dealer service departments put into satisfying related customer concerns is another story. Figure 5 shows the thermal bypass valve pulled out of its aluminum housing. Mine does this as well! (626) 443-5247, 2621 Merced Avenue, El Monte, CA, 91733-1997 USA. I don't mind changing the fluid myself, but how? This TransGo 6F35-G2 SHIFT KIT Valve Body Repair Kit fits 2012 and newer Ford, Lincoln, Mercury and Mazda vehicles equipped with a GEN2 6F35 automatic transmission. Anyone else with the same problem? <<9213FDA0AD858342A686F3A7F6611679>]/Prev 123960>> The solenoid regulator valve spring is calibrated to prevent the solenoid feed pressure from exceeding a predetermined PSI, no matter what main line pressure is. Doing this may not change a thing, but if it hasn't been done before and if you are going to keep the vehicle, I'd highly recommend you do it. 0000004088 00000 n Dmitry has been an editor and author at Cararac.com since 2015. The solution: Replacing the heat exchanger should solve the overheating issue. One full turn and the noise was gone. Use only Motorcraft transmission fluid. Ask questions or send a hint for future articles on the author's page. This kit does not fit GEN1 units. I wanted the warranty to cover the turbo and Ecoboost engine because I was afraid they would have powertrain issues. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Then, all those little microns get sucked up and passes through the filter media going directly into the pump taking out the pocket and gear, PR valve and TCC valve bore. This problem is further compounded by locating the correct calibrated band number solenoid. Active if youre going the rebuilding route - find a shop that gives a warranty. I did some research and they seemed to pretty reliable cars. Ford Dealer decided to check trouble shooting board from Ford Service bulletins and found the following service bulletin advisory: 0000001641 00000 n 0000002383 00000 n Another issue that is essential to address is the integrity of the cooling system. that Ford says is considered normal operating, no fix needed as follows: Problem Some Ford vehicles may experience sluggish acceleration or a hesitation feel during a rolling stop, followed by a harsh bump or slip feeling. Location. Product Support It's clunky from F to R and sometimes hard shifts in low gears. The Explorer was given to me as a replacement company car with 42,000 miles. The 2-3 shift hesitation is deemed normal per ford. The solution: There is little you can do to prevent this issue from happening, especially if you can't change the environment you drive in. We found and acquired, with the dealer's help, a 2018 Explorer Sport, which is now our loaner until we get the buyback paperwork completed. SHIFT KIT Valve Body Repair Kit 0000001511 00000 n A new drop-in hardened steel TCC regulator valve that has re-positioned longer lands and incorporates a groove where a scarf cut seal is fitted so that it seals in the original worn bore. This means it will be the first component in the cooling circuit to be compromised with contaminated fluid. Many complaints about the 6F35 revolve around erratic gear shifting, slipping between gears, and harsh engagement of reverse or forward gear. My wife used it for work and errands and we took a trip to NC. Each one of them told me the same thing: The transmission is functioning as expected for the 6F35 transmission. Remember, I'm covered until 100k miles, which is 45k miles away. Special tools are often needed when diagnosing transmission problems and overhauling units. 0000001087 00000 n Hey I took out a quart of transmission fluid today and added a bottle of lucas today car shifted good. Diagnosis and correction of a max line pressure condition may become, With Hondas 10-speed front wheel drive transmission (see Figure 1, above) going into its fifth year on the roads, its feasible that one may show up in your shop for service. Sure enough the mechanic called and said it started doing the same thing. And in some instances, the mfg already knows the issue. The kit includes a new drop-in solenoid pressure regulator valve system. In October of 2017 I started experiencing the jerking problem again except this time it was during my first morning start up and accelerating from 1st to 2nd gear and would get a substantial jerk. 7 0 obj <> endobj Any legitimate rebuilt trans outfit will ship it to your shop, repack the old core and send it back, at your expense of course. Glenn Troub and ATSG explain what's happening with these temp sensor codes that can apply to ALL transmissions. M-F 8:00 AM to 4:00 PM PST After all, they remove things like dipsticks so you have to bring it back to the dealer. Sticky By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. CarKiller.com copyright 2020 all rights reserved. We don't sell/share your email. 1137 Haco, Suite 2 Lansing, MI 48912 US. This assembly is mounted within the cooling lines and its location varies with model of vehicle. %PDF-1.4 % Product Support Northern VA, USA. SK 6T70-G2, I never had it checked out. The complaint A Ford vehicle equipped with the FNR5 transmission has a complaint of a severe slipping condition in reverse. %PDF-1.3 Maybe it is more of a Ford transmission thing. The 6F35 is designed to match the 2.5L L-4 engine. Link must be about this specific problem or it will be deleted it must be free & helpful, like a video or web page or forum thread about this exact problem. % 348. BTW the 2018 is much smoother! Notably, the 6F35 is compatible with both two-wheel and all-wheel drive vehicles. Slipping, Erratic Shifting, Harsh Forward or Reverse Gear Engagement: Some of the most common 6F50 / 6F35 transmission problems are slipping between gears, erratic up or down shifts, or a hard slam when the 6F50 / 6F35 transmission engages Drive or Reverse. Whatever the best cleaning products are at the time, I use them. When you said you seen lucas work miricals do I have to take a quart out first on transmission shop I talked to said no but idk if I should trust them. Is it worth it, or just run it. I'm a first responder and have already missed one structure fire because I have no vehicle to go to calls. Notice how dark the fluid is that poured out of this bypass assembly. My transmission starting to slip a little sometimes I was told putting in lucas would just end up making it cost more to rebuild cause it gums it up hasanyone tried bars leak dual action transmission fix? Most importantly it doesn't try to launch me into space when it shifts into 3rd. Agreedthat's one of the things I am saying is concerningsince it's stated in the TSB, the TECH should have verified the level before turning things over to you. The complaint A 2005 Ford F350 with the 6.0 liter diesel engine and 5R110W transmission has set a P0753 Pressure Control Solenoid A Electrical Fault code and a P2700 Transmission Friction Element A Apply Time Out Of Range code. The solenoid regulator valve spring is calibrated to prevent the solenoid feed pressure from exceeding a predetermined PSI, no matter what main line pressure is. This is what you will find, but will locate nothing wrong with the torque converter or frictions. Will definitely be doing the fluid change with my upcoming oil change that I was about to do anyway. (or any Ford/Lincoln with the 6F35 transmission) this is a Hard Shift that feels like . The 6F50 transmission was first introduced in 2007 in the Ford Edge, Ford Explorer, Lincoln MKX, Lincoln MKS, Ford Taurus, Ford . endstream endobj 8 0 obj <> endobj 9 0 obj <>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Trans<<>>/Type/Page>> endobj 10 0 obj <> endobj 11 0 obj <> endobj 12 0 obj <>stream Usually these are relatively cheap, Personally when I'm planing to keep a car for a while I go and shop for a used transmission in advance (currently am looking for a unit for my automated manual corolla). Slipping, Erratic Shifting, Harsh Forward or Reverse Gear Engagement: Some of the most common 6F50 / 6F35 transmission problems are slipping between gears, erratic up or down shifts, or a. Website Figure 1 (top of the page) shows the 1.5L Eco-Boost, figure 2 shows the 2.0L while figure 3 shows the 2.5L Eco-Boost application. I have seen this posted other places but posting to see if anybody has found a permanent fix. We went thru the Ga lemon law prgm, but the FORD Corp has dragged their feet from day 1. Similarly, the drop-in hardened steel TCC regulator valve has re-positioned longer lands and incorporates a groove where a scarf cut seal is fitted so that it seals in the original worn bore. You can check the condition of fluid in the housing by removing the thermal bypass valve. Current products: 6R140 and 10R80 finished transmissions; Gears - 6R80, 6R140, 6F35, 6F50/55, 8F57 Year opened: 1958 Site size in acres: 182 . This TransGo 6F35-G2 SHIFT KIT Valve Body Repair Kit fits 2012 and newer Ford, Lincoln, Mercury and Mazda vehicles equipped with a GEN2 6F35 automatic transmission. If these valves malfunction, they will compromise the cooling of the transmission fluid by not allowing proper flow of coolant to pass through the heat exchanger. 0000095130 00000 n It is highly recommended for these checks and services to be an essential part of the repair process to prevent it from coming back on a hook cooked. The condition usually got better after the first couple cold shifts; however, 1>2 and 2>3 were always a little firmer than the rest, even after warm-up. Where is the Ford Quality that i have experienced for over 35 years and have never driven any car that does this kind of a jerk (not hesitation) during first start up. Now we play the wait game again. SK 6T40-G3, SHIFT KIT Valve Body Repair Kit This happens when the moving parts inside the transmission are creating more friction heat than the ATF can remove. All types of particulates will get trapped within its tightly mesh webbing as seen in the cutaway provided in figure 4. The problem was that 1st gear engagement was too slow and the computer saw the slip. But opting out of some of these cookies may affect your browsing experience. Well, I'm already out. If this modification is not performed properly, the transmission may experience a loss of reverse or a 2-3 shift flare, Note: Common Problems with the 6F50 / 6F35. I wonder why the bulletin states from 2nd to 3rd when many are having the fussy gear shift between 1st and 2nd? After a prolonged drive time, DTC P0752 Pressure Control Solenoid A - Stuck On and P0973 Pressure Control Solenoid A - Circuit Low also set. Closed. A Ford 6F35 came into the shop with Harsh Shifts. To address the TCC problems, a new TCC regulator valve is included that is fitted with a scarf cut sealing ring at one end which restores the valve function without reaming the bore. I thought it was due to the quality of the rebuild. Problem continued on morning start ups and decided to take back into the Ford Dealer and explained the transmission problem again. This 6F35-A SHIFT KIT Valve Body Repair Kit fits 2009 to 2013-1/2 Ford, Lincoln, Mercury and Mazda vehicles equipped with a GEN1 6F35 automatic transmission. Right now, I'm waiting for ford to offer financial assistance for the repairs. This is a serious problem should be considered a defect worthy of a recall and warrants replacement of the transmission or a fix that will compensate for this engineering flaw in the design of the hydraulic circuit. Delayed engagement into Drive at cold starts, banging/confused shifts, slipping, etc. Didn't know trans options. With 20+ SKUs to choose from - and more on the way - Sonnax has your back when you need a top . With 14 years of being on the road, the Ford 6F35 transmission has a sizeable list of issues requiring repair associated with it. ,[hu? Update from Jun 21, 2019: Looking on line and noticed the manufacturers of my transmission has identified the fix for my transmission Forum contains unread posts The only thing an owner can do in a situation like this is to change the transmission fluid. Glenn. I just watched a video on how to do it. The shifts are definitely still noticeable, because the 6F35 isn't the smoothest transmission to start with, but it's quick, crisp, and solid. I would hook up a diagnostic tool and look for clues in Hello Scotty If this is only happening to a select few 2013 - 2017 Ford cars, which models and what transmissions do they have. Ford Fusion Harsh 5th Gear (Avoiding: Failure Solenoid Differences: Ford 6F35 Gen 1 vs. 2, Serviceability Report: Ford Fusion Hybrid. This Transmission is also preferred because of its lower noise, vibration, and harshness (NVH). 5 0 obj Oh, and dont you like the way that #12 driven sprocket needle bearing digs into the case where all that aluminum drops just down below the filter? 0000001376 00000 n #9. Problem has been getting worse recently, Oct 2020. I talked to a transmission shop a few months ago and they said the only thing is to rebuild it with different parts. So I recently bought a 2015 Ford Fusion 2.5 L with about 68k miles. If this is a design flaw by the engineers at Ford, there should be a recall and replacement of the transmission. Like this content? M-F 8:00 AM to 4:00 PM PST But if you're under warranty, it wouldn't hurt to take it in for a professional look to ease your mind. Thought I would share. The Ford 6F35 is very similar to the GM 6T45. I'm with the others. This is necessary to prevent more fluid from being fed to the solenoids than they can effectively regulate and limit what max line pressure output is. They pulled the transmission and tore it down to inspect the 1-2-3- 4 clutch. This new gasket and spacer are used in place of the silicone sealant the OEM uses. 8F35 Transmission - Harsh Upshift/Downshift And/Or Harsh Engagements - Built On Or Before 10-Sep-2019 19-2331 12 November 2019 Model: Ford 2019 Edge . There is something seriously wrong with this transmission to allow such a performance condition to effect the pleasure of driving this Explorer. Dealer called and said it was ready in July, I asked them to drive it for awhile to get it hot. At least check it is all I'm saying. Currently has 50k km on it, no issues or hard shifts or anything, but I'm thinking about doing a drain and fill at each oil change, which would be once a year, only put about 10k a year on, mostly the wife short tripping to work everyday. I love the car other than one thing, the transmission. Numerous customer service rep turn overs, dropped the ball and now we are on our 3rd, 10 day payoff faxed from the bank. To get to the root of the problem, the transmission control module (TCM) must be tested to ensure that the shift solenoids, pressure switches, and pressure control solenoids are working properly. Also in the mornings the car will slam into reverse even if I am on a level parking lot with e brake on and everything. And if this were not enough, some applications use a transmission fluid cooler coolant control valve and a fluid heater coolant control valve as seen in figure 6. In some cars like the Ford Fusion, the cooling system is dogged by overheating issues, making the Transmission perform at less-than-optimal capacity. Ford 6F35 Transmission Harsh Shifts Automatic Transmission Service Group 5.83K subscribers Subscribe 191 16K views 2 years ago A Ford 6F35 came into the shop with Harsh Shifts. If you continue to use this site, you consent to this use of cookies. Sitting at the dealership now. Got that just because Ford doesn't have a good record with transmissions. 0000000016 00000 n Fits 6F35 GEN1 2009-mid 13, Installation Instructions SK 6F35 (English), Installation Instructions SK 6F35-A (English), SHIFT KIT Valve Body Repair Kit 0000003031 00000 n Transmission fluid was BLACK. The clutches looked good, but the lip on the piston was damaged (figure 3). Ford Dealer tried to duplicate but did not have the same experience as me but did diagnostics on the transmission again with the same result, nothing found second time. This kit does not fit GEN2 units. -+7zxaVny%;-}.lb/y^]8X{}xKNh}9ucs+N]5^~s6|>?y!c~~Y3^s{;esSopMc+bo_=/yco|s6=m?~n_?ZdK/[omGtWy]\xgo=4kr?eyz-S.>U=9y/?_|9Q_O~|v]>|={Z=n*evz5yuk?m'C /y?>fE7^}=7?8 ^}K~eggb[sk?G18g3~xxc3x wg=`o}vdw_y-u_hN+otW?:6f7?}r=o7||m>/jr/ /u8Fza &lA&&5cp*q`m~EpD~YcgG pug In addition, this valve will not delaminate and create future bore wear problems like the OE coated valves do. No further work on the transmission should take place for that condition. <> Has to do with fluid drain back and purging air out of the system. The inconsistent shift quality is the least of my concern most of the time, however a constant shuddering under load along with intermittent severe shift flares (generally only when transmission is cold) This is an expensive transmission. It is smooth as silk. Get 6F35 transmission rebuilding tips, 6F35 troubleshooting help, 6F35 technical service bulletins, 6F35 diagnostics and 6F35 technical information from TRNW. Car has been looked at by three different FORD dealer repair shops. I baby my vehicle and put in the best products to maintain it (Amsoil, K&N, etc.). And of course with rebuilt transmissions they're only good as the people who rebuild them in a lot of guys don't know what the hell they're doing a lot of times it's better to get another vehicle, Can't afford it too much negative equity in this one scotty. trailer Please look in the FAQ. The fluid quickly deteriorates due to it not being cooled correctly, which will lead to shifting issues and eventual transmission failure. You will experience a hard slam when the transmission engages the Drive or Reverse gear. This cooler bypass assembly fails miserably and should always be replaced during an overhaul. (626) 443-5247, 2621 Merced Avenue, El Monte, CA, 91733-1997 USA. This should be followed by removing the check ball found where the deleted hole was. When I put my foot down, it does it's job. hole to always stop at the right high point to prevent fluid from draining from the circuit. To the keen driver, the 6F35 offers up to 6% better fuel economy as compared to the conventional 5-speeds. A Race Winning Brands Company. SK 6F35-G2, SK 6T40-G2 and Answer to: Can a used car for $5,000 be decent from private seller? Consider the benefits of purchasing a JASPER remanufactured transmission versus a used or rebuilt unit. I know every manufacturer has issues somewhere and I guess Ford has a problem with customer service. If you let your foot of the gas quickly sometimes it shifts harsh from 3 to 4. The transmission Fluid Circuit has a hole that allows fluid to circulate in the transmission at proper pressure and temperature while transmission starts operating. Extremely loud! Shift solenoid pack replacement cost: $300-600$. A ***** in the other sense because you can't change the filter and to check the fluid, you have to take a wheel off. The 6F35 Transmission from Ford is one of the ingeniously designed transmissions from this American car maker. This issue can further be highlighted by a clunk or a thump sound noise when you press the accelerator slightly. Search CarComplaints.com for these popular complaint phrases CarComplaints.com is an online automotive complaint resource that uses graphs to show automotive defect patterns, based on complaint data submitted by visitors to the site. where I live the minimum given on a rebuilt tranny is 3 months, usually unless its some pile of garbage its even 6 months. For me, if I power through the shifts after start up, it feels like there is a lag for a second where the RPM goes up before the 2nd gear engages. They have armed the Transmission with a greater gear span allowing the engine to function at much better optimal combinations of speed and load. The furnished bushing and solenoid regulator valve assembly will restore the system function using the existing worn bore. Related Articles ATI introduces six-speed Chevy transmission performance package Sonnax highlights 10L/10R solenoid. I love the car other than one thing, the transmission. Copyright TransGo, LLC. please add to your original question instead of starting a new one for each update. They are inexpensive to replace, saving you from expensive warranty work. It is just outside the warranty coverage (64,000 miles). BMW 535i Twin Turbo Problems Expensive Issue for BMW Owner, Polaris Power Steering Problems Reasons and Ways to Fix, Ford 5.0 Cam Phaser Issues Locating and Fixing the Problems. Generation one units are the worst offenders as they have an additional problem to contend with: Ford no longer provides new solenoids for them. Hot Car has 100k miles and I have no idea if transmission fluid has ever been changed. %%EOF The two-piece design valve outperforms the single piece valve in all operating environments. Before the trip we noticed the trans started shifting really hard at 40-50 mph after it warmed up. Get notified about new defects, investigations, recalls & lawsuits for the. 0000004704 00000 n One extreme recent example is the dual clutch transmission in the focus and fiesta models from 2012-2015 i think it was. 0000006464 00000 n Some of these 6F35 transmission problems include irregular shifting behavior, slipping between gears, delayed shifts, hard shifts, and the complete . My old Fusion had the same shift characteristics (they both share the same tranny) between 2nd and 3rd. 0000003643 00000 n - Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, - Shift pointers: A 4T65-E that wants to move in Park and Neutral, Being tuned in: The value of transmission tuning, Ford harsh downshifts: 6R75 2-1, 10R60 7-6, Announcing the winners of the Top 20 Products and Tools contest, Diagnosing an unusual problem: A slow-to-respond solenoid, Video: Lubegard Limited Slip Supplement overview, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to service the Honda 10-speed transmission, Solving electronic control problems in todays automatic transmissions, Sonnax adds new stator support bushing for Ford 6F35, TransTec updates 6F35 Gen 1 overhaul kits, Searching for the source of an unexpected transmission fluid leak, Transmission slipping in fifth gear: An elusive cause of a common problem. The problem will also arise when you drive on mountainous roads frequently. This problem happens when the moving components found in the Transmission create more friction than the ATF can remove. This should not happen and is an unexceptionable, irritating and possibly a dangerous condition if an infant was in a car seat and needed to accelerate quickly after that first start up (cold soak) could injure the babies neck or even cause a concussion by the head striking the back of the baby seat headrest. I bought mine used so I don't know when it started happening at first. these hesitation events should be deemed a normal characteristic and does not cause any abnormal wear or durability concerns. Sonnax has released a new stator support bushing (part no. 0000005896 00000 n YvOGx*=&-!)#=5XqP P3N6L"2kH02a"Yu{,:gWSqsIr:\}u_* -/7x$;EJs The problem can further be compounded by the external cooler bypass valve failing. Fits 6F35 GEN1 2009-mid 13. The 6F35N is standard equipment for a ton of small engine Ford products and they are starting to hit shops across the country. stream All the cooling fluids first enter the heat exchanger making all particulates get trapped in the tight mesh of the exchanger. 0000006946 00000 n M-F 8:00 AM to 4:00 PM PST By clicking Accept, you consent to the use of ALL the cookies. The cooling system of the 6F35 Transmission varies from one car model to the next. As an FYI - Like most TSB's of this type, it is meant only for those covered vehicles equipped with the the 6F35 transmission which are displaying the specific symptoms described in the TSB. startxref As I said, Then go reprogram the TCM/PCM. Some of the highlighted problems are specific to car makes and models. The transmission proved to be a huge upgrade over the previous 4 and 5-gear transmissions. 6F35 Transmission Problems Any Serious Issues? Check online if there are any people complaining that they dont honor their warranties if there are avoid that place. Ford is as reliable as it gets! 6F35 Code (DTC) P0829 5-6 Shift; 6F35 Code (DTC) P0830 Clutch Pedal Switch A Circuit; 6F35 Code (DTC) . This website uses cookies to improve your experience while you navigate through the website. 2013 SE Tuxedo Black 1.6L AWD (bought at auction, with fleet options). 6-Speed Remanufactured Valve Bodies DeliverSonnax Quality + Verified OE Performance. How many miles does yours have? All in all, this transmission, despite a few issues here and there, is reliable, better than many, and remains highly competitive in performance. Jeep Clutch Recall Involves Gladiator and Wrangler SUVs, read stories from drivers who praise our work. Interesting thread on the topic. When I would drive down a hill at the speed limit (55 mph or 45 mph), the vehicle would shift down into a very low gear and it sounded like a tractor-trailer powershifting down. DON'T WASTE YOUR TIME: There are a number of design flaws in this transmission, and any one of them could be causing these symptoms. Other complaints are TCC slip problem and related trouble codes, no reverse and 2-3 cut-loose. If this is a defect (which is what I think) because the fluid circuit hole is no longer stopping at correct high position in the transmission and allowing fluid to partially drain, this should be a recall to fix the problem or replace the transmission. The prices do not include diagnosis and fluid replacement costs. This means to me that there is a design flaw in which when the engine is off the transmission fluid can partially drain from the circuit and cause this condition. The design of the 6F35 is based on the flagship model 6F50 /6F55= 6T70 /6T75, constructed on modular principle of maximum standardization and interchangeability of blocks. 6F35 Transmission Solutions Hello everyone! Due to the fluid inside the aluminum housing not cooling correctly, it becomes darker and less efficient. In addition, this valve will not delaminate and create future bore wear problems like the OE coated valves do.
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