The vehicle: 2004, 2500 RAM, HO engine, 6 sp manual trans, 36,000+ miles.
Today, as I was driving home from work (~18 miles), I noticed a new noise from the engine, especially at idle. It seemed to be some sort of a rattle. The further I drove, the louder it was. Two other items I noticed: there was a noticable, but not a lot, amount of water vapor coming from the front of the truck (which I initially thought was from the exhaust of the vehicle just in front of me), and the temp gauge was pointing to the middle mark of its range (whereas it usually is about 1/16" inch just below that). After arriving home, I opened the hood and found coolant sprayed over most of the engine compartment, and coolant leaking from the front of the engine. After shutting off the engine, coolant continued to leak from the front of the engine. My diagnosis is a bad water pump. Coolant leaking onto the rotating water pump pulley is flinged all over the engine compartment, and after shutting down the engine, the pressure caused the leak to continue. I will call the dealer tomorrow morning since they were closed when I arrived home. My question is: Has anyone else experienced a water pump failure (which I believe it is, given the observations) at a mere 36500 miles? That seems to me a manufacturing problem, not a wearout problem. Your opinions???
Today, as I was driving home from work (~18 miles), I noticed a new noise from the engine, especially at idle. It seemed to be some sort of a rattle. The further I drove, the louder it was. Two other items I noticed: there was a noticable, but not a lot, amount of water vapor coming from the front of the truck (which I initially thought was from the exhaust of the vehicle just in front of me), and the temp gauge was pointing to the middle mark of its range (whereas it usually is about 1/16" inch just below that). After arriving home, I opened the hood and found coolant sprayed over most of the engine compartment, and coolant leaking from the front of the engine. After shutting off the engine, coolant continued to leak from the front of the engine. My diagnosis is a bad water pump. Coolant leaking onto the rotating water pump pulley is flinged all over the engine compartment, and after shutting down the engine, the pressure caused the leak to continue. I will call the dealer tomorrow morning since they were closed when I arrived home. My question is: Has anyone else experienced a water pump failure (which I believe it is, given the observations) at a mere 36500 miles? That seems to me a manufacturing problem, not a wearout problem. Your opinions???