Thanks for explaining the HIS accumulator. I’m installing a 2016 Grand Cherokee 850RE into a 2014 Durango, after swapping the TCM, and was concerned it wouldn’t work. I plugged the hole for the accumulator, and am confident now that it will work in my Durango, which didn’t come with HIS.
Great video. Amazing how easy it comes apart. Almost Like a 6l80. My 8hp70 is giving me that 2-3 and 4-5 flare I've seen other people experience before. Only under very light loads sometimes but shifts beautifully with anything more the 5% throttle and shifts like an animal while hammering it. Figured it was chryslers tuning but I did a diablosport tuner and it's still there. Might throw a valve body at it.
I have a new 5th gen ram with the 8hp75 and it also has the flare shift issue under light 5-10% throttle. I seen something about when u replace a battery it does something to where the dealer has to refresh the ecm/tcm dumbest thing I've ever heard if that's even true but I will say when I replaced the battery that's when it started. Other then that my truck has been flawless with 81k miles so far.
@@bmf88 I just had hemifever do a tune for me. Flare is completely gone. I did the zipkit and it didn't like that. I ordered a reman valvebody and truck wouldn't even come out of park. I put my valvebody back on and shifts are beautiful until trans warms up. Yesterday it stuck itself in 2nd then 1st until I unplugged the battery. I'm going to pick up a low mileage unit today. I'm done screwing around with this one. I was trying to find out if a 75 would swap over but don't feel like throwing $1000 on a gamble right now.
@@Matp345 tuning was gonna be my next move just blows me away how expensive it is just to tune these new trucks. This is my first hemi and I love everything about the truck I just came from the early mid LS stuff and if was super cheap to tune one. Lol
@@bmf88 me too. I'm a chevy guy and this is my first hemi. The tune made it feel like a real trans. Stock was too soft. The diablo trans tune helped but hemifever woke it up
@@Matp345 nice I gave up on gm our last 2 escalades were the biggest overpriced piece of 💩 they want u to pay top money for their stuff and won't honor the warranty when something happens the clear coat on the 22s completely peeled off they would never replace them and that's just one thing of many
Bless! I will like to see a video or instructions on replacing the torque converter on that 8 speed trans.I what to know how far in does the torque converter goes in the bell housing....thanks!
I have a 2018 Jeep Grand Cherokee Limited 2WD... trying to find out which of the two ZF transmission I have, the 8HP70 or 8HP75 and how can I tell/verify...thanks guys.
Now if ZF only thought to let us have a dipstick and fluid change... but because we're a lease society, seal it up because who would drive one 123K miles and need to change the oil?
So someone I know has this transmission in a Chrysler and the trans fluid has never been changed and it has 180,000 miles on it and it still works fine do you think it would still be okay to change it or keep old trans fluid
Yes it has a convertor. A quite complex one at that. There's tons of writeups about how to service out there. It's fairly simple. If u have a dodge truck like me wear good gloves cause the exhaust blocks the fill bolt
I know this transmission is bulletproof how often should the fluid be changed at what mileage . Just curious because I have a 2018 Chrysler 30 which now has 50k on it
ZF recommends 50-60k miles for the 8HP even though BMW and Others say you don't have to service. I choose to agree with ZF because they engineered it and know what they are talking about and a salesman on a dealership floor is just saying what he is told to say. I just completed a 8HP pan/filter and fluid change and on the 2016 535i, the filter was black, magnets were covered in normal wear material levels and the fluid was dark and glittery. I would like to note that the driving style this trans has been exposed to has been extremely gentle by an elderly driver. all normal wear at 60k but I don't think id want to that multiplied at 150k miles. IMHO
Don't believe the th350 guys from the 70s. These transmissions operate very different from the old stuff that "you shouldn't change the fluid" I always do trans services no matter the milage and have never had one fail. Change it as often as you can. You can't over-maintenance one.
@@mattboski2339 you are giving wrong info man. these things should have a fluid change every 50k-60k. That is what zf says on their website. Chrysler saying it is lifetime fluid is straight up misinformation. All the guys that actually work on these things know that lifetime fluid is not a real thing. You need to be replacing the fluid, or else you will be replacing the transmission
Their “lifetime” really only means “for the lifetime of the warranty.” But yea I’m doing as much research as I can before changing out my transmission fluid and filter. So just to verify, u can use the pan of a 8hp70 on a 845re transmission right? @MrCattbone
