Dodge Ram Van 2500 Problems

RepairPal has identified the most common problems with the Dodge Ram Van 2500 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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38
Known 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.

On the 3.9L V6 and 5.9L V8 the engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.

On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal area. Using fluorescent engine oil dye can be helpful in determining the source(s) of the oil leak.

The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops.  There is also a revised vacuum check valve available to address this concern.

Some vehicles may exhibit one or more of the following: Spark knock complaints when the vehicle is under load, various single cylinder misfire, and surge in 4th gear (around 45 mph). Our technicians tell us that rerouting the coil and spark plug wires to minimize induction effects will commonly correct this condition. If wires must cross during the reroute procedure, they must cross at a 90 degree angle.
A knocking noise front the front suspension may be caused by interference between the idler arm and the stabilizer bar. Our technicians tell us that if this is the case a revised stabilizer bar is available.
Our technicians tell us that some transmissions may exhibit harsh shift conditions or a false PCM codes P1763 and may benefit from a PCM software upgrade.

Some automatic transmissions may set a code P1740, torque converter fault. Our technicians tell us there is a revised transmission pressure boost valve cover plate to correct this condition.

For the 9.25" HD Rear Axle only, some vehicles may shudder or vibrate on brake apply. This can be caused by axle shafts, brake drums, or brake shoes. A complete inspection of the rear brakes may be required to isolate the cause of the vibration.

A surging or bucking during acceleration can be caused if the distributor is moved or mis-indexed. This is a result of the cam and crank position sensors being out of synchronization. Wear of the oil pump drive gear can cause similar symptoms because it allows excessive free play in the distributor drive. The distributor drive gear and bushing should be replaced if the rotor tip moves back-and-forth more than 3/16th of an inch when checking drive gear free play.

The door glass may separate from the glass lift channel. Our technicians tell us a front door glass channel kit is available to repair the door glass. The repair involves removing the door glass from the vehicle.

Some vehicles may exhibit a "buzz", whining", or "moaning" like noise from the transmission when reverse gear is selected. The condition is caused by a resonance of the transmission regulator valve. Our technicians tell us that the repair involves replacing the transmission regulator (aluminum) valve with a steel one.

The instrument cluster may work erratically at times. Our technicians tell us that the fault is commonly due to connection issues at the cluster electrical connector. There is a kit available to repair the connector and terminals.

Erratic operation of the keyless entry system may be caused by a faulty transmitter.
On vehicles equipped with a Theft Security system a loss of power to the Central Timer Module can result in a no start condition.