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.
Problems for specific Dodge Ram 2500 years:
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Repairpal verified 2004 Dodge Ram 2500 problems
On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.
The throttle body may malfunction in very cold climates causing symptoms at engine start up. A throttle body causing problems will require replacement.
If a Check Engine Light illuminates indicating leak detection pump (LDP) failure, the cause is often pinched or disconnected vacuum lines to the pump. Vacuum lines should be inspected before replacing the leak detection pump. Contamination (carbon or debris) in the pump can cause failure and any hoses should be cleared before a new pump is installed.
On some models a void in the rear window seal may cause a water leak. Water may be present on or under the carpet. The seal will need to be replaced if that is the source.
Replacing a pressure solenoid valve in the transmission valve body may fix an issue where the transmission "hunts" between first and second gears. Our technicians report that customers sometimes describe this complaint as surging or bucking.
A new lower secondary door seal is available if clothing is getting dirty when entering or exiting the truck. Dirt or mud may build up on the rocker panel below the door.