To replace the oil pump on a 2004 Chevy Aveo, first ensure the engine is cool and disconnect the battery. Remove the oil pan by unbolting it and draining the oil, then disconnect the oil pump from the engine block, typically by removing the mounting bolts. Install the new oil pump, ensuring proper alignment and sealing, then reattach the oil pan and refill the engine with oil. Finally, reconnect the battery and start the engine to check for leaks.
In the fuel tank.
There is none.
The water pump is the tensioner for the timing belt. if you need to adjust it, replace it.
see "how too replace water pump on 2002 Trailblazer"
From $300 - $400.
Yourself, about 90$. Mechanic, about 200.
remove fuel tankremove fuel pump module assembly unitreplace unit
It is located in the gas tank.
the gas tank has to come down to replace it.
you need to remove the fuel tank and it is on top of the tank
Replace water pump for an 1986 Chevy Nova?
trade the car off. Its not worth replacing H2O pump!