Does anyone know if there is a problem with the water pumps on 2008 Ram 1500s? I have gone thru 3 in 13 months.


Asked by Aug 13, 2013 at 01:33 PM about the 2008 Dodge Ram 1500 SLT Quad Cab

Question type: Maintenance & Repair

I purchased my 2008 Dodge Ram 1500 in June 2012.  On July 20th I had the water pump go out and had to have it the serpetine belt and thermostat replaced.  December 30th I had the water pump fail again - this time had to have the Radiator, Thermostat and water pump all replaced - this was after only 4850 miles since last one failed.  I just had my Water pump replaced today (Aug 13,2013) after 7400 miles since last repair.  What could be causing all these water pumps to go out?  Any help would be greatly appreciated.  Thanks.

6 Answers

Chris McGee

Tensioner frozen causing to much pressure on the drive pulleys, that's about it, on a Hemi or 4.7L?



Tracy Hooks

Crappy, foreign remanufactured part (most common): tensioner: belt on wrong: pulleys out of alignment (second most common)- you're certain that it's the waterpump, not a bypass hose or tube? I've never had the 4.7L apart but a lot of Mopar products have a bypass hose and tube directly behind the water pump. Could there be a lot of end-play in the crankshaft and pulley to skew the water pump?

Chris McGee

There is no bypass tubes on a 4.7L but here is another idea... How is your centrifugal fan clutch? If ity is sloppy it could also cause the pump to fail, assuming that the shaft bearing is going out

1 out of 1 people think this is helpful.

At NAPA, where I work, we get very few of our new replacement water pumps back as defective. Maybe two or three per year. Try one of those. It's line code TFW. HTH. -Jim

Tracy Hooks

Good one Chris! It sure could! I remember a Medium duty truck that the owner had decided to eliminate the thermocoupler and bolt the fan on with an adapter. The water pump failed (literally came apart) after a period of time and the fan went through the hood, radiator hoses and generally made a mess. That makes sense since it was transferred from one failed pump to the next.

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