If the transmission delays initial gear engagement after being parked overnight or longer, it may be due to a suspect transmission cooler return filter. If the transmission was recently serviced and the part number for the cooler return filter contains an "AB" suffix at the end, a new filter should be installed.
Replace Transmission Cooler Return Filter if it Has "AB" Suffix on Dodge Ram 1500
Average mileage: 82,556 (25,000–149,200)
Drive Trains affected: 2WD, 4WD, Automatic Transmission
20 people reported this problem
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Viewing 1 - 12 of 12 comments
After it sit for more than 8 hours the trans hesitates when put in drive.
Delay from park to drive.
same as description in post, and once in gear it seemed like it was in a higher initial gear not low like it should
Difficulty when taking off
truck sits overnight. shifts out slow initially not resolved yet.
Truck Oooosi into gear at start up.It acts like it starts off in third gear or higher gear
Transmission filter clogged and could not go over 20 mph
same problem here when my truck has been sitting for a period of time
trans slow to ingage when cold
Slow engaging in the AM after overnight. Took to dealer numerous times no issues found could not repeat. One day the truck would not change gears while in Drive. Took it to dealer and they said filter was installed backwards and clogged. Replaced and installed correctly
this is bad in the heat