12/14/2023 0 Comments 7 speed reading 2016ATF naturally has an oily odor so don’t confuse that with a burnt smell. Also, give the fluid a sniff to identify if there's any burning occurring. Spiny sea urchins exist in damaged transmissions. The magnets in the pan will probably look like small Chia Pets under normal conditions. This reduces the chaos that evident when the pan finally comes free.Īfter dropping the pan, look for any large metal shavings or chunks to gauge the health of the transmission. I like to remove five screws and hold the pan up with my hand when removing the last screw. Remove the six E10 Torx screws and drop the pan. You must move these out of the way, or you will surely roll the pan gasket during reassembly. Some cars have a wedge-shaped bracket that covers the rear of the pan and/or a bracket that holds the O2 sensor connectors. This is best done with a small screwdriver and will liberate another quart of fluid. Next, you must knock off the fill pipe that is attached to the drain plug hole inside the pan. You will be emptying about five quarts of fluid so be sure your container is large enough. The first step is to pull the drain plug and drain the contents into an appropriate container. I like to do transmission work after the car has been sitting overnight in order to avoid the incessant dripping of ATF that makes the job overly messy. Mercedes-Benz 722.9 Transmission Service Procedureįor this write-up, I'll be referencing a red-fluid 722.9 in an R-Class (V251). We offer service kits for both transmissions to get the job done. Another option is something along the lines of this. While this is a somewhat expensive special tool, it would be beneficial to own if you plan on doing more than one 722.9 service. This pump and adapter are made by AST Tool Company. It must be filled from the drain plug with a special filling pump and pan adapter. The trouble with the 722.9 transmission is that servicing it can be a hassle because it does not have a dipstick or fill tube. What Do I Need To Service A Mercedes-Benz 722.9 Transmission? The blue-fluid transmissions require an exclusive fluid that does not interchange with other transmissions. The quickest way to see what you have is by checking the dimples. The blue-fluid transmissions began to appear around 2010 model years and can be identified by their blue-fluid, green fill pipe, and deep dimples in the transmission pan. The red-fluid transmission service intervals are 40,000 miles, and the blue-fluid transmissions need servicing every 70,000 miles. The two variants will be referred to as the red-fluid version, and the blue-fluid version. What Mercedes-Benz 722.9 Transmission Variant Do I Have? The 722.9 7-speed transmission comes in two variants that determine the service procedure. To ensure long life and peace of mind in your 7-speed (722.9) Mercedes-Benz transmission, periodic service is a must.
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