How many hours to replace water pump on a 2007 Chevy van with a 66 diesel?

Replacing the water pump on a 2007 Chevy van with a 6.6L Duramax diesel engine typically takes around 4 to 6 hours, depending on the mechanic's experience and the specific conditions of the vehicle. Factors such as accessibility, any additional repairs needed, and the tools available can also affect the time required. It's always a good idea to consult a repair manual or a professional for a more precise estimate based on the specific situation.