how do u check the transmission oil? Mercedes Benz GLK 350. 722.9 transmission oil change
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- No dip stick to check the transmission oil ! Your transmission does not have a dipstick as you have probably discovered. You will need to pump it in to the transmission through the drain plug hole. 722.9 transmission oil, Mercedes Transmission Fluid Service. How to Check Automatic Transmission Fluid in Mercedes Benz,,How to Check Automatic Transmission Fluid in Mercedes Benz
Ok, as for the negative comments that have been posted above stop popping off with input if you don't have specific knowledge to either endorse the process as correct or to contradict the process with explanation to back up your claim. Damn.....
So, all in all I say bravo to you for not only tackling it yourself but also for taking the time/making the effort in attempt to help out another DIYer that may need a visual aid. From what is shown alone(without factoring in temperature of fluid) when you 1st pulled the plug it looks as if it NEEDED to have fluid added as when you remove drain plug there should be a "SLIGHT stream of fluid RUNNING from opening"...What it shows is that you have some fluid SPITTING out, which is NOT a slight running stream of fluid. There is a special Mercedes Trans Fluid Filler Adapter (about $5.00 online) that you install in place of the plug upon removal. This adapter allows you to connect your pump hose directly to it so that your fluid is being pumped into the trans pan without any spillage. My recommendation here is to use about 8" of soft/flexible tubing that is the size of the adapter barb, fold the last 2" of the hose back onto itself and zip tie it tight so that you are essentially sealing off one end thereby making the piece of hose a cap for the adapter that will be easy to slide off/on during the process. Once you have put in half a quart or so via the adapter you will want to pull the pump hose from the adapter to watch the fluid run out...If it spits add more fluid, if it is running out wait until the stream is light but still solid then place hose end cap back on adapter to stop the flow. Get your trans pan drain plug ready and then as quickly as possible remove the adapter(with hose end cap still attached) and replace with trans pan drain plug. Tighten the drain plug to the required spec and call it a day.
HOWEVER,
there was an issue with the way that this DIY is presented. There is no dipstick by which to verify that the level is correct, and these 722 series transmissions are VERY sensitive to fluid level. With this being said and in order for ALL of the instructions given about what to watch for when the plug is removed it is ****CRITICAL**** that the temperature is EXACTLY what is called for as transmission fluid is very active when it comes to expanding in volume with added heat. You CANNOT feel by hand nor can you just run it for a few minutes until it gets to "about 100deg" and start the job. Each of the 722 transmissions (.6 and .9) have their own temperature requirement for accuracy and for the 722.9 it is EXACTLY 45deg Celsius(113deg F). If you check it at 100deg F that is only 37.78deg Celsius. The difference in the expanded volume of the fluid over a 13deg F range is substantial and WILL change the fluid level seen. You can use an infrared laser thermometer pointed at the fluid pan and that will be relatively close, but not exact as different areas of the pan heat up/cool down faster than others. The best way to check it is with the Torque Pro app downloaded to your phone(pay for the app, it's like $5 but when you pay it unlocks every accessible output parameter). Once downloaded you will need to go to settings, press Settings, press Manage extra PIDs/Sensors, press the dropdown, press Add predefined set, press Chrysler/Dodge/Jeep/Mercedes. This will allow you to connect(and read) the Merc's internal transmission temperature sensor. Return to home screen on Torque, press Realtime Information, scroll to a blank screen, press screen and hold, press Add display, press Digital Display, press [CHRYSLER]Transmission Temp (Jeep 2012 and later), press Large, touch anywhere in the grid panel you see. You will need an ELM327 bluetooth OBDII dongle, dont waste your money getting one that is more expensive, the black bodied units with the orange/blue label are less than $10 and work perfectly with Torque. Once you are connected to Torque via bluetooth you can return to the Realtime Information page, scroll to the Transmission Temp gauge that you added and now you are reading EXACTLY what the actual fluid temperature is via the transmissions own internal temperature sensor. When you see that the temp on your display is about 42deg Celsius you will need to be in the ready position as the temp will increase relatively quickly. Even though you will NOT want to hear much less abide by this next statement you MUST STOP the process if the temp changes to 46deg Celsius, shut your engine down and wait for the trans temp to fall back down below 45deg Celsius. Once you see that it is below 45deg Celsius you can restart the engine and continue checking the level/adding fluid/draining fluid. In the end you most likely WILL have to shut it off and allow fluid to cool down at least 2x unless it is perfect when you first pull the plug at your initial 45deg Celcius check. In the video you posted I would almost bet that had the actual fluid temperature been exactly 113deg F that it WOULD have had a slight stream and would NOT have needed any fluid added as the expansion would have given you more fluid volume thusly a slight stream of fluid as opposed to the spitting. But again, I say power to you for making the effort to help others.
I have same car. Trust me do your regular oil changes and transmission. Change coolant and brake oil. Regular spark plugs and drive belts. And you will be fine.
My mercedez glk 350 has over 270,000 miles and runs excellent. Very durable suv.
Please do not do what he did. I am a technician and after reading the workshop manual for this job you should not start the engine under no circumstances when the transmission oil has been drained. After draining the oil you must fill it back up again and start the vehicle and by using a diagnostics scanner check the transmission temperature and wait for it to reach a temperature of 45 degrees Celsius and re check the level .
read the manual again. This is the ONLY way to check the level and engine must be running.
I shake my head
Lol 😂 💀 he trying tho more fluid on the floor
I didn’t see where you measure the level of trans fluid
When the fluid almost stops dripping, it's at the prooer level. I have a GM car that works similar. When it stops draining out of the fill hole, it's full. There is a plastic fitted piece, about 1 1/2" tall (I'm guessing on the height), that sets the level, once it reaches 100°F, or 40°C.
You don’t have to use Mercedes atf, there are other fluids with better quality
There a kind of sensor hanging next to the propshaft to the rear end where does it plug in
Let this video serve as a demonstration of what NOT to do. Poor car..
Mercedes is FOS!
drama
Um, this is dangerous. People will see this & if they don't do their homework, they will be 99% uninformed of all the nuances of this procedure when done fully & correctly. About to do it myself & there's tons of videos showing the actual procedure, WIS info available from the forums, & confirm with your local dealer about the flushing method of either tc drain, flushing from cooler lines, or both. Don't like to make comments like this, but don't want ppl to see this & 1. not understand that you are supposed to check the level as you are finishing the service. Not after the fact. And operating temp is 45°C/113°F for trans fluid, not operating temp for the engine. If too hot, the fluid will thin & you'll drain too much. Please don't follow this. When drained flushed properly, it takes just under 10L of fluid. Some get away with just a fluid/filter change but then reduce from every 40k mi to near 20k mi.
Yeah you could be right it’s not perfect but I put 100,000 miles on this transmission oil change not one problem
@@mikekushnir6978 well that's definitely good at least! Often hard to know where the wiggle room is for strictly following rules, or just doing what works on these cars. Ppl like me that came from Honda/Acura don't take chances hahah
I liked the rooster in the background. Kudos for the effort, but take care not to have expensive consequences. bless
The level looked to be correct when you first opened the drain. You only want a few drops coming from the fitting when it is full. The riser pipe is holding back the rest of the oil.
Exactly, he did not need to put more fluid.
This transmission fluid change not possible unless you dropped the pan. He was just adding more fluid which he didn't need. His fluid lvl was just right.
Tnx for sharing, i have tried to find info about this and this is the first I found.
Should have swapped out the filter, its best practice
I dont think there is a transmission filter. What is recommended is to change the transmission pan gasket. But since he did not removed the pan, he did not change it.
wow looks like fun!
I have never seen anyone add transmission fluid from under neat the car. Wow!
Stellar P. Welcome to mercedes engineering
It's the only way to fill them, you fill then at the drain plug, and then check at operating temps.
No you can take the cap off the top where the motor is.
In this model as well as the ML350 from 2006 do not com with the cap off at the top of the engine.
if you havent seen transmission fluid be filled from the bottom, then you obviously havent seen much lol. It varies from vehicle to vehicle.
Thank you for share but I would advise not to use our method at all. It is best you go to a Mercedes tech for this service. You can find someone ASE certified to make sure the fluid level as correct. I have a glk and I do 99% of my maintenance myself but this is one service I prefer to spend money once every 50 to 75K to allow Mercedes to do. I love my SUV too much too much to run the risk! This transmission is a sealed unit and there is no way of knowing if the level of fluid is correct.
You drained and filled next to nothing. There is an overflow tube that must be popped off (flat head screwdriver works) inside the pan so that it actually drains before taking the pan off and re-installing that tube in the pan so that you can actually fill from the bottom. I'm still investigating why this is filled from the bottom rather than from engine bay.
you do not ever, ever and i mean EVER "CHECK THE FLUID LEVEL OF A 722 SERIES TRANSMISSION" with the pan standpipe removed....the fluid level is set by what runs out over the standpipe and out the drain plug....if you pop the standpipe loose you have no idea what level of oil is inside the pan and will have to drain the trans, drop the pan, reinstall the standpipe, reinstall the pan, refill with fluids and THEN start back what you were doing when you first began, CHECKING THE LEVEL....unless you have specific knowledge to add that is fact based then keep your fingers still and your mouth shut as people take what is written in these comments as gospel in most cases and if they followed YOUR instructions as they relate to CHECKING THE FLUID they would drain 95% of the fluid from the pan, think they were good when it slowed to a small stream and button up the pan...within 10mi they would WRECK a $7000 transmission because someone on a comment board gave them the wrong instructions.
You can actually buy a Mercedes dip stick to check the level from the engine bay. www.amazon.com/gp/product/B07436HB6D/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Wrong transmission. 722.9 has no dip stick or tube for one. You're thinking of the 722.6
LMAO you don' drain the Tranny fluid with the MOTOR RUNNING!
He is not draining, he is checking the level of the fluid transmission.
Wtf? Lol oh man. 🤦🏾♂️
OMG!!!LOL
sorry, but so is not correct.
I totally agree I don't advise this method at all. It is best you got a Mercedes tech for this service. You can find someone ASE certified to make sure the fluid level as correct. I have a glk and I do 99% of my maintenance myself but this is one I prefer to spend money once every 50K to allow Mercedes to do. I love my SUV too much too much to run the risk!
lol what a terrible design
Here is how to destroy a beautiful Mercedes.
Do not ever change your transmission fluid yourself. That is something should be done in a professional shop with proper tools.
I suppose the only proper tool is the accurate electronic temp gauge?
If you know what you are doing, it's not that difficult.
Us mechanics sure do LOVE folks like you
If you change it yourself, you can not properly extract all the fluids, you can only replace %30-50 the most.
Also, transmission should never run dry, so if you change it yourself, there will be places that will have not enough fuild, and that will ruin your transmission.
Proper way to change it to get the transmisison fluid in proper temperature, and extract while adding same amount of fluid while the transmission is running and cycle the fuild until it is completely clean. For that, they have built a Automatic Transmission Fluid Exchanger. Many indie mechanic don't even have that becasue it is expensive and large device, and they made you believe it can be done without it, but it is a gamble.
You will need to change your transmisison fluid rarely anyways, just don't take the risk, go to a mechanic who owns proper machines.
@@cemreozkurt4925 please stop spreading misinformation. There is no magic “changomatic” machine that pumps out the old and pumps in the new at the same time. This model of transmission is specifically designed to have its level checked WHILE RUNNING and the transmission oil temp at 45*c (113* in freedom degrees). Good for you that you spend $700 on $100 worth of parts and less than 2hrs labor.
I would hate to buy a car off you, do you ever get a pro to do any work. Why are you having to do this anyway, do you have a tranny oil leak? You need it on the ramp, and then remove the skid pan. FFS.
Car has to be level when filling. Can't put it on a ramp. A Hoist would be nice.
People like you get ripped by mechanic shops. Oil change, Transmission oil change, brake, rotors, bleeding etc is easy on any car. I d this on my all cars and put best oil available and best filter too. Not cutting corners to save some money
@@MK-xn6qx People like me? I can do a transmission change, but I cannot be bothered as I don't have access to a lift anymore. I can assure you, my garage has the correct oil in it.
@@andyw3152 I thought so.. I would buy a car from a guy who has done DIY himself and has maintained the paperwork for it. Especially the fluids.