2016 Chevrolet Chevy GM 8L90 8 Speed transmission how to do a fluid and filter change
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- เผยแพร่เมื่อ 11 เม.ย. 2023
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I have been an auto mechanic for over 30 years specializing in transmission repair and problem solving
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As a backyard mechanic this is a very well detailed video
5 star video, straight to the bone. That’s why i love old school big👍🏾
You managed to tell me everything I needed to know in the first 2 minutes 🎉
Thanks 👍🎉
Extremely helpful. Thank you.
There is a dipstick made aftermarket for the Camaros with 8l. With a little modification it works for the trucks too. I also believe b&m makes one for all.
2017 GMC Sierra 6.2 8L90- had the standard issues little slip from a stop, 1-2 shift and 2-3 were not great. Would bang into 2nd sometimes if going slow downhill…..shuttered at 35mph when cruising. Added the Lube Guard and they stopped shuttering but did not fix the other issues. Fluid was changed 20k miles ago. Decided to go with the Mobile LV HP and it completely fixed everything. I would highly recommend anyone just go ahead and flush it out and put in Mobile LV HP and see what happens.
Thank you so much for this dude. I felt like a friggin idiot when i spent 30 mins lookin for my damn dipstick that wasnt there...
Me too, i was starting to get scared...😂
Great video!
I just did this, and even with ratcheting down the exhaust as far as it will go, the pan wouldn’t get past a few parts sticking down. I was able to get the filter out, wipe it all out really well and reinstall. My clearance for hose between the exhaust and tranny was also a lot less than this, so filling when hot was a task.
That saved me about $300 thanks
Great video
Thanks!
Great video! Unfortunately it appears that clearance between the pan and exhaust varies slightly from vehicle to vehicle. I've been trying for a couple hours now and came across your video. I tried your method several times without any additional luck. It also looks like the sway bar keeps the pan from moving to far forward. I'll try again tomorrow.
Does anything change when flushing out the fluid if you have the superior solutions bypass mod in the cooler.
great video...question if im only replacing 7-8 quarts, is it ok for the small amount of old fluid in the lines and converter to mix with the new , since im not doing a flush? thanks
One of the lines for the transmission cooling blew off . It dumped a lot of fluid out. Do I put in 7 or 12 qts back in? 2017 GMC Sierra Denali 8 speed
Thank youuuu
I'll have any problem if use Dexron VI?
can i use the same fluid in the transfer case also? thanks
The fluid is suppose to trickle out when you are done not stream out
It also is supposed to be up to operating temperature between 139 and 141 degrees
What temp did you check the fluid?
Chevy has a water based transmission fluid right and that's why they recommend it?
Whats the torque specs on the transmision pan
I have a question sir I hope you can help me! My truck just started making like a pop noise and at first i thought I had an exhaust leak and took it to the shop and they said a weld cracked and they welded it back. But I still kept hearing that pop noise like a backfire, so I would let it sit in neutral and rev it but no pops. Then when I’m on the road and gas it I hear pops like little backfires! And I hope it’s not my transmission so you think it may be the torque converter? :(
the only thing that you are changing when pull in gear and giving it the gas is your putting more pressure on your flex plate I would be looking for a crack in the flex plate
Just for everyone that is about to do this. You probably will get an error code p0700 after. 😅 disconnect your neg on ur battery n let it sit for five. That reset your tcm.
Remember to check the level when the temp is 98 to 113 degrees and plug it back up when it's a dribble idling in park.
im doing my trans fluid service and only 5qts came out of the pan, should i put back exactly what came out or add the extra 2 qts it should have?
Your supposed to pull the lines off the transmission lines and blow the fluid out of them
Great explanation 👌 do you add a certain amount of fluid before starting the truck. I understand it has to be at a certain temperature for the fluid to flow
fill up until it checks full not running, then start up and finish filling from there
YES! I am not positive but I think it is 35C-45C.
i just did mine and close to 6qts came out, should i add the additional quart and 1/2 for a total of 7 1/2?
Been a min but I’d of added extra to be sure. Prob not an entire quart but whatever filled it and resulted in that stream coming out. I’d of assumed when it’s “overflowing” like it does from that full hole you prob don’t want extra in there but it’s likely a 1/4 qt tops. Prob doesn’t hurt. How did you make out?
I have a 2016 Sierra with the 5.3 and can not find a dipstick. This mean mine don’t have it ?
Your supposed to go to the dealer and they do a blood transussion type gig to your trans. With a cleaning agent. Your old fluid comes out one end followed by the cleaner then when the new juice starts to flow it’s done.
Did you just reuse the same gasket? Also, I have heard about doing it 3 times to completely and slowly get all the original fluid out. Can you weigh in on that. Thanks again for the video! The dealership didn't want to touch it and a tranny shop wanted me to do it 3 times. I van do it now that I have seen your video.
Dealers by me have a machine that does a blood transfusion essentially. With some sorta cleaner added in the middle. Or they pump cleaner in as your old fluid comes out then pump fresh fluid into the trans and when the remainder of the cleaner comes out the tube followed by new juice they pull it. I inquired mo the back on it. Think was 3-500$ job tho still at that. Doesn’t include replacing the filter 😳🫨 so dunno how that works out.
@@JFEnterprize this is what they wanted to do for mine. I'm old school. If you change the oil, you change the filter.
Good video but 7.5qts is overfilled. After sitting over night and not starting I only got 5.5 out. Add 6 and between 131-149*f you drain until it until its just a drip.
Im glad you saved 20 dollars on fluid but I have never gotten that lucky, I do this for a living and have never used less then 7 quarts in a fluid change both my books call for 7.4 quarts on a fluid and filter change
@codemansauto208 I couldn't care less about 20 bucks and I actually went through 12qts by doing it twice. Did you pull the lines to get more fluid? Did you measure the amount you drained? Did you get the transmission to the propped temp before checking because everything I've seen or read says there should not be a stream coming out at all. 🤔
So the plug doesn't act as a dip stick? You can't measure your fluid with it?
No, your measurement is the plug in the pan, please check out my video on 6L45 Cadillac I have a clip that shows the inside of this pan and what you are trying to fill the fluid level up to
How about the torque converter you touch that
i have no videos on 8L90 torque converters yet
I,ve replaced one before in a 4wd unit. The symptoms was hard jerk when you barley press the gas. Best example I can give is it would feel like picture expecting a smooth reaction from the foot pedal and it randomly snatch you. I believe the converter was 900$ OR 1900$ from the dealer with a hefy core charge. Me and a friend had it done in about 9 hours each. The wire harness and evap is the only thing that will be in the way, and the manner in which it comes down. Theres a non removal frame structure that makes it a challenge.
I was told I had to fill it up until you feel it at the top fill spot. ?? Was I told wrong?!? :(
we like to see fluid coming out of the check plug until it stops then we pump in a half pint of transmission fluid just to make sure that it is full
@@codemansauto208 my trans has entirely too much fluid in it then. The shop I went to told me to fill it up to the very top plug (not the pan screw) that you fill it with. Shift it. Then fill it til it comes out the top.
So by doing this, is is completely packed with fluid and over time of driving, it starts to overheat if I drive more than 30 min.
Is it 7 or 12 qrts that it takes?
7 qrts for service and 12 qrts for a total rebuild
@@codemansauto208dealer by me said they use a machine to pump a cleaner into it as your old fluid comes out then fresh fluid till the cleaner comes out. Apparently they don’t replace the filter. 😮 which to me almost defeats the point. Esp if it’s backflushing which I’ve heard will blow your trans and you shove 💩 back into the gears 😵💫 thoughts?
@@JFEnterprizedealer told me the same thing yesterday. They do the flush with the machine and the filter isn’t serviceable. I think they’re lying. Either way I’m doing new fluid every 30-35k miles. Hopefully a flush won’t be so bad with doing it this often.
@@Pilot_Dad22 I’d kinda want the filet changed. Did you hear if they push it from top to bottom or bottom to top ie backflush? that’s what scares me 😂 havnt done mine at all and mines at 80k if you do it the recommended every 30k miles I’m guessing you won’t need a new trans at about 110k miles like many say. Prob due to not changing it. Mine seems already to act funny when shifting ect. As a 2019 LD
@@JFEnterprize I’m not 100% sure how the machine interfaces with the trans to evacuate the fluid but I feel slightly better about them using the machine since I’m doing it more regularly. I would eventually like the filter changed but it sounds like it won’t be getting done through one of these dealers unfortunately. I’m curious what your trans is doing that you say is “funny”. Fwiw mine has always had hard shifts into second when it’s cold. Dealer says that’s normal for these. 🤷🏼♂️ I suspect it could be improved with tuning. Originally mine started in with the TC shudder at 32k miles. Dealer flushed it then and that problem has been gone since.
I would have bought from your links but it takes me to Amazon in Spanish. You should put links to English.
thanks for watching our video we will check our links thank you again