Hi this is Dusty, I'm one of the auto experts on RepairPal's Car Genius team!
To change the transmission fluid in your 2019 Ram ProMaster City with a 2.4L engine, start by parking on a level surface and letting the engine cool.
Locate the transmission fluid dipstick or fill cap under the hood. Remove it and position a drain pan underneath the transmission fluid pan.
Loosen pan bolts and tap the pan at one corner to break it loose allowing fluid to drain, then remove the oil pan.
Remove nuts at the oil filter. (Recommended by Ram)
Install a new filter and nuts, tighten to 40 in. lbs.
Install the fluid filter oil pan, use a bead of MOPAR® ATF RTV (MS-GF41).
Clean the oil pan and magnet. Reinstall pan using new MOPAR® Silicone Adhesive sealant.
Tighten oil pan bolts to 105 in. lbs.
Pour four Quarts of MOPAR® ATF+4 through the dipstick opening.
Start engine and allow to idle for at least one minute.
Then, with parking and service brakes applied, move selector lever momentarily to each position, ending in the park or neutral position.
Check the transmission fluid level and add an appropriate amount to bring the transmission fluid level to 3 mm (1/8 in.) below the lowest mark on the dipstick.
Recheck the fluid level after the transmission has reached normal operating temperature 82° C (180°F).
Refer to the previous steps for adding fluid if necessary.
Make certain that dipstick is fully seated into the dipstick opening to prevent dirt, debris, and moisture from entering transmission.
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