You made me look up 8F35 planetary issues. April's Transmission Digest has an article on the 8F35, it seems that there was planet needle bearings not hard enough. It mentions Ford bulletin number 22-281. At least laughed, and you didn't cuss up a storm while doing this.
Thanks for the video Ben, I'm thinking of getting a transit with this transmission and do you think the new 8 speed is more durable than the outgoing 6 speed? Keep up the good work!
You could tell that transmission was never serviced. The fluid that came out was like tar. Do a simple drain and fill at least once a year folks. Your transmission will love you for it.
I have a 8F35 In my 19 Edge. I have this really annoying problem where it shutters when I let off the gas or rarely it’ll do it on its own while cruising typically when in 7th or 8th. I’ve had the Torque converter replaced, Fluid changed at 55K and some TSB in regards to TCM programming all to which only made the problem “Better”. Any insight or ideas?
Hello Ben , I bought a used Tourneo Connect 1.5 ecoblue (12/2019, 132.000km ) with this gearbox. Firstly , it had transmission slipping, harsh engagements and according to FDRS various DTCs (P0756, P0771, P0868, P2700, P2701, P2704) . Additionaly , 8/10 times you could not button up the R. After that ,I replaced the valve body with new one . After 1000 km the car is drivable but is has really harsh shifts when you are trying to stop the car (low speed) btw 3rd to 2nd and from 2nd to 1st gear. Also , when you choose D , it buttons up the 1st harsh and after everything it seems that work normally. For speed higher than 40km /h everything works normally. For those 1k kms , i had failure indication twice. The FDRS now memorized P0731 (gear ratio of 1st gear ) . Unfortunately , here in Greece the experience of engineers is extremely limited in this type of gearbox . I'd really appreciate it if you could advise me something or express your opinion about this. Kind regards, Dimitris
Aptly timed! I recently reached out on FB about towing with the Transit connect on this gearbox and this really gives me pause! Do you get the sense this trans was on its original fluid, and if so, that it could contribute to failure? Or are these transmissions just too lightly built?
I think that they are lighter duty transmissions. I don't believe fluid caused this. However, I think that ford's 150k service intervals are ridiculous and it should be 30k on these. Anyway, I wouldn't tow or haul more than specified. And keep heavy hauling sporadic
i suspect the driver beats the daylights out of this, as most 'professional' drivers do where I live. Couple that with the fact that the automakers are in a mad rush to add gear ratios to their vehicles to keep up with each other, and that they use the least expensive aluminum parts they can, and you have these kinds of disasters. There are almost always a lot of issues when these higher gear count transmissions get released. It's also easy to break a piece of the case casting when removing that main snap ring on the 6F35, thinking it's the one that holds the 1-2-3-4 in; not sure it's the same on the 8 speed, but something to be aware of.
Hi Ben I have a work van (2020 transit connect) 8f35 trans. It's pretty loaded, I don't think I'm over the 1600 lb payload capacity. Transmission failed at 70k miles. Never had fluid changed. Getting a new Transmission installed now. What are some countermeasures I can take to prevent failure other than less weight? I was thinking of installing Transmission temp. gauge and fluid change every 25k miles. I greatly appreciate your video.
You're welcome! Those sound like great ideas to help protect the transmission. When servicing, I'd do 3 drain and fills and run the engine 20 mins before each drain
Before I knew more about this transmission I bought the low pressure filter and the gasket for the valve assembly cover. The gasket Ford let me return, but I had the filter from rock auto for too long. Can you use it?
Hey man, i’ve watched a couple of your teardowns, and i myself am nervous about my 8f35 in my 2.0t escape. Not sure how much you know about this, but the guys with the mavericks have had some really bad luck with these trans. It seems to be not as common in the escapes. However on the maverick forum i’ve seen a couple guys swap engines and bigger turbos for the 2.3L. Same transmission. I’m looking to do the same, do you think tuning can handle the huge torque increase? They’ve gotten some 11.7s 1/4 miles, and north of 400/450 whp. Is this a disaster waiting to happen if I do the same? What about the ford 8f40? how does that hold up? I can’t find much info on it. I’d hate to have to worry about the trans.
Hi. I appreciate you watching. I wouldn't trust an 8 speed with 500hp. While they're not quite tissue paper, they're still not the most solid transmission.
I have a fleet 2022 Edge AWD 51K miles. In the last snow storm up here in the NE the AWD was disabled a few times for some reason. No codes. Now I see fluid coming out of the transmission vent on top of the transmission under the air box. Related you think??.
I have this transmission in my vehicle 2020 Focus 1,5 tdci. It was repaired a few months ago due to vibration and knocking. Now, when it's cold in the morning, gear shifts are jerky. It gets better after 10 minutes when it warms up. They tell me to use it this way, normal olduğunu söylüyorlar. Why is this happening? What is your advice?
Hello sir. Your videos are very informative. I’ve 2009 ford escape. 2 days ago all of a sudden i got check engine light and car doesn’t shift to 3 gear properly. And sometimes it shifts very harsh. But after driving for a while like 2-3 miles if I make a stop and start driving again it shifts smoothly. I bought this car from someone 1.5 years ago. Idk if they ever got the transmission oil change or not. Or if this is something else. Please help.
Hi. What fault code is it setting? Is the fluid level ok? If its low, check the LH axle seal for a leak (bushing wear, scored axle). If its not leaking, just need to know what code it set.
@@BigBensCarsAndCycles I got it checked today. I do have the pdf file. And the codes are P0316- Engine Misfire Detected on Startup (First 1000 Revolutions) : No Sub Type 00 Information CONFIRMED P0756- Shift Solenoid "B" Performance/Stuck Off : No Sub Type Information 00 CONFIRMED P2701- Transmission Friction Element "B" Apply Time Range/Performance : No Sub Type
@@iiistrapsmusic8835 Hi. Having the fluid changed wouldn't fix this. Shift solenoid B is a common failure. You can start with replacing solenoid B. If the concern is still present, I would take the valve body apart and check for a worn separator plate (check ball stuck in plate).
Hello Ben! Have a same gearbox on my 2019 Focus. Now got a problem with it.. First of all it does not go to PARK (error on dash "Transmission not in park"). Okay with that fault I can drive (yeap it starts up and shut down) when car is cold. After few km fun begins. Car starts jerking and making weird stuff and finaly when it got full warm then it stops running. What can be the problem? Do you have any ideas? I'll add all fault codes aswell. Codes: Memorized- P0751 Shift solenoid A performance/stuck off Memorized- P0771 Shift solenoid E performance/stuck off Active- P07E4 Unable to engage Park Memorized- P0868 Transmission Fluid Pressure low Memorized- P2700 Transmission Friction Element A Apply Time range or Performance Memorized- P2704 Transmission Friction Element E Apply Time range or performance Memorized- P27B3 Gear shift selection switch performance Now the car is at garage.. We are going to make fluid change and take a look hows the old oil look. If there is some chips/clitter in oil then there is something bad probably.. If old oil is clear then what I think is the solenoid valves are bad. So as you have worked on them then probably you know what can be the problem ;) Thank you so much! Regards, Reivo from Estonia!
@@reivoreidla8373 hi. It is possible you have internal damage. Step 1 is looking at the fluid for debris, like you said. Hopefully it's just a seized solenoid!
Thanks for so fast reply. Why you think it can be internal damage? So what can be broken? Its weird that it wont go to Park.. Like the dial in the car just blinking and does not go there.. I really hope it is solenoid system but lets see. Anyway I will keep updated and hopefully can get it fixed soon! @@BigBensCarsAndCycles
@reivoreidla8373 I missed the code about the range switch. Whoops. Could be that too. But the solenoid codes make me think it could be something else too. Maybe low on fluid too. Gotta get it checked out. If a part is damaged inside it can also set similar codes and not be able to engage neutral. But a solenoid can do that too.
You made me look up 8F35 planetary issues. April's Transmission Digest has an article on the 8F35, it seems that there was planet needle bearings not hard enough. It mentions Ford bulletin number 22-281.
At least laughed, and you didn't cuss up a storm while doing this.
Thanks for the video Ben, I'm thinking of getting a transit with this transmission and do you think the new 8 speed is more durable than the outgoing 6 speed?
Keep up the good work!
Hi! I see fewer issues out of the 8 speed. Just make sure not to regularly overload the van!
You could tell that transmission was never serviced. The fluid that came out was like tar. Do a simple drain and fill at least once a year folks. Your transmission will love you for it.
Хорошая работа👍
I have a 8F35 In my 19 Edge. I have this really annoying problem where it shutters when I let off the gas or rarely it’ll do it on its own while cruising typically when in 7th or 8th. I’ve had the Torque converter replaced, Fluid changed at 55K and some TSB in regards to TCM programming all to which only made the problem “Better”. Any insight or ideas?
please inspect the 8f40 box soon
Hello Ben ,
I bought a used Tourneo Connect 1.5 ecoblue (12/2019, 132.000km ) with this gearbox.
Firstly , it had transmission slipping, harsh engagements and according to FDRS various DTCs (P0756, P0771, P0868, P2700, P2701, P2704) . Additionaly , 8/10 times you could not button up the R.
After that ,I replaced the valve body with new one . After 1000 km the car is drivable but is has really harsh shifts when you are trying to stop the car (low speed) btw 3rd to 2nd and from 2nd to 1st gear. Also , when you choose D , it buttons up the 1st harsh and after everything it seems that work normally. For speed higher than 40km /h everything works normally.
For those 1k kms , i had failure indication twice. The FDRS now memorized P0731 (gear ratio of 1st gear ) .
Unfortunately , here in Greece the experience of engineers is extremely limited in this type of gearbox .
I'd really appreciate it if you could advise me something or express your opinion about this.
Kind regards,
Dimitris
Hi, gear 1 incorrect ratio indicates a forward clutch issue (A-Clutch) it'll need to be taken apart to determine the extend of damage
Aptly timed! I recently reached out on FB about towing with the Transit connect on this gearbox and this really gives me pause! Do you get the sense this trans was on its original fluid, and if so, that it could contribute to failure? Or are these transmissions just too lightly built?
I think that they are lighter duty transmissions. I don't believe fluid caused this. However, I think that ford's 150k service intervals are ridiculous and it should be 30k on these. Anyway, I wouldn't tow or haul more than specified. And keep heavy hauling sporadic
Does anyone know if Ford ever fixed the torque converter problem with this transmission and if so, by which year did they do this?
i suspect the driver beats the daylights out of this, as most 'professional' drivers do where I live. Couple that with the fact that the automakers are in a mad rush to add gear ratios to their vehicles to keep up with each other, and that they use the least expensive aluminum parts they can, and you have these kinds of disasters. There are almost always a lot of issues when these higher gear count transmissions get released. It's also easy to break a piece of the case casting when removing that main snap ring on the 6F35, thinking it's the one that holds the 1-2-3-4 in; not sure it's the same on the 8 speed, but something to be aware of.
Hey Ben, do you get many 6r80 jobs, and can you get ford lead frames or are they still not making them. thanks
Hi. Yeah, 90% of my 6r80 jobs are just leadframes. And they do still make them. And it's been taking a few days to get one.
Hi Ben I have a work van (2020 transit connect) 8f35 trans. It's pretty loaded, I don't think I'm over the 1600 lb payload capacity. Transmission failed at 70k miles. Never had fluid changed. Getting a new Transmission installed now.
What are some countermeasures I can take to prevent failure other than less weight?
I was thinking of installing Transmission temp. gauge and fluid change every 25k miles.
I greatly appreciate your video.
You're welcome! Those sound like great ideas to help protect the transmission. When servicing, I'd do 3 drain and fills and run the engine 20 mins before each drain
This video was nnnnkay.
Does 6F35 have that filter? Always heard that its problems originated with clutch wear crudding up the valves and solenoids.
The 6f35 only has a filter on the pump, not a high pressure filter.
Before I knew more about this transmission I bought the low pressure filter and the gasket for the valve assembly cover. The gasket Ford let me return, but I had the filter from rock auto for too long. Can you use it?
Sorry to hear. Thanks for the offer, but I expect to need one any time soon
Hey man, i’ve watched a couple of your teardowns, and i myself am nervous about my 8f35 in my 2.0t escape. Not sure how much you know about this, but the guys with the mavericks have had some really bad luck with these trans. It seems to be not as common in the escapes. However on the maverick forum i’ve seen a couple guys swap engines and bigger turbos for the 2.3L. Same transmission. I’m looking to do the same, do you think tuning can handle the huge torque increase? They’ve gotten some 11.7s 1/4 miles, and north of 400/450 whp. Is this a disaster waiting to happen if I do the same? What about the ford 8f40? how does that hold up? I can’t find much info on it. I’d hate to have to worry about the trans.
Hi. I appreciate you watching. I wouldn't trust an 8 speed with 500hp. While they're not quite tissue paper, they're still not the most solid transmission.
I have a fleet 2022 Edge AWD 51K miles.
In the last snow storm up here in the NE the AWD was disabled a few times for some reason. No codes. Now I see fluid coming out of the transmission vent on top of the transmission under the air box.
Related you think??.
Hi, no I don't think that's related. Might be a bad AWD module but it would need diagnosis
I have same problem did it get resolve?
Mr Mackey
Hi Ben ! do you have any idea how many km this gearbox had?
Hi! 130k km
Lol. He literally mentioned mileage in the start of the video. All you had to do just convert it
I have this transmission in my vehicle 2020 Focus 1,5 tdci. It was repaired a few months ago due to vibration and knocking.
Now, when it's cold in the morning, gear shifts are jerky.
It gets better after 10 minutes when it warms up. They tell me to use it this way, normal olduğunu söylüyorlar.
Why is this happening?
What is your advice?
It may be low on fluid from the repair
Hello sir. Your videos are very informative. I’ve 2009 ford escape. 2 days ago all of a sudden i got check engine light and car doesn’t shift to 3 gear properly. And sometimes it shifts very harsh. But after driving for a while like 2-3 miles if I make a stop and start driving again it shifts smoothly.
I bought this car from someone 1.5 years ago. Idk if they ever got the transmission oil change or not. Or if this is something else. Please help.
Hi. What fault code is it setting? Is the fluid level ok? If its low, check the LH axle seal for a leak (bushing wear, scored axle). If its not leaking, just need to know what code it set.
@@BigBensCarsAndCycles I got it checked today. I do have the pdf file. And the codes are
P0316- Engine Misfire Detected on Startup (First 1000 Revolutions) : No Sub Type 00 Information
CONFIRMED
P0756- Shift Solenoid "B" Performance/Stuck Off : No Sub Type Information
00
CONFIRMED
P2701- Transmission Friction Element "B" Apply Time Range/Performance : No Sub Type
@@BigBensCarsAndCycles and the fluid level was good but as I’ve said idk if the previous owner got the transmission oil changed or not.
@@BigBensCarsAndCycles U0100- LostCommunicationWithECM/PCM"A":NoSubTypeInformation 00
CONFIRMED
U0151- LostCommunicationWithRestraintsControlModule:NoSubTypeInformation
00
CONFIRMED
U0155- LostCommunicationWithInstrumentPanelCluster(IPC)ControlModule:NoSub
00 Type Information CONFIRMED
U0184- LostCommunicationWithRadio:NoSubTypeInformation
@@iiistrapsmusic8835 Hi. Having the fluid changed wouldn't fix this. Shift solenoid B is a common failure. You can start with replacing solenoid B. If the concern is still present, I would take the valve body apart and check for a worn separator plate (check ball stuck in plate).
Hello Ben!
Have a same gearbox on my 2019 Focus. Now got a problem with it.. First of all it does not go to PARK (error on dash "Transmission not in park"). Okay with that fault I can drive (yeap it starts up and shut down) when car is cold. After few km fun begins. Car starts jerking and making weird stuff and finaly when it got full warm then it stops running. What can be the problem? Do you have any ideas? I'll add all fault codes aswell.
Codes:
Memorized- P0751 Shift solenoid A performance/stuck off
Memorized- P0771 Shift solenoid E performance/stuck off
Active- P07E4 Unable to engage Park
Memorized- P0868 Transmission Fluid Pressure low
Memorized- P2700 Transmission Friction Element A Apply Time range or Performance
Memorized- P2704 Transmission Friction Element E Apply Time range or performance
Memorized- P27B3 Gear shift selection switch performance
Now the car is at garage.. We are going to make fluid change and take a look hows the old oil look. If there is some chips/clitter in oil then there is something bad probably.. If old oil is clear then what I think is the solenoid valves are bad.
So as you have worked on them then probably you know what can be the problem ;)
Thank you so much!
Regards,
Reivo from Estonia!
And sorry forgot to mention that I have 1.5 liter diesel engine 😊
@@reivoreidla8373 hi. It is possible you have internal damage. Step 1 is looking at the fluid for debris, like you said. Hopefully it's just a seized solenoid!
Thanks for so fast reply. Why you think it can be internal damage? So what can be broken? Its weird that it wont go to Park.. Like the dial in the car just blinking and does not go there.. I really hope it is solenoid system but lets see. Anyway I will keep updated and hopefully can get it fixed soon! @@BigBensCarsAndCycles
@reivoreidla8373 I missed the code about the range switch. Whoops. Could be that too. But the solenoid codes make me think it could be something else too. Maybe low on fluid too. Gotta get it checked out. If a part is damaged inside it can also set similar codes and not be able to engage neutral. But a solenoid can do that too.
Where the range switch located? It engage to neutral but not to Parking.@@BigBensCarsAndCycles
Ben, do you see the 8-speed 8F40 tranny having similar issues?
Hey, I haven't had that happen on that one before
Kind of wild that Ford recommends a 150k mileage interval on these transmissions, no wonder they fail!
Yeah you need to drain and fill 3 times every 30k miles to get a decent lifespan