how long should it take to change a water pump on 2006 gmc pickup, 4.8 liter gas
I can’t tell you but if you go to the library and look up “Motor’s Flat Rate Manual”, you will get and idea as to what garages charge.
When I had my GM vehicles, I copied all the revant pages and kept them for reference when my cars went in for repairs.
A good mechanic can beat the times, but an amateur may take 2-3 times as long.
A few hours at least.
Radiator has to be removed. All the drive belts. The clutch-fan. All the hoses.