Head injury is like running a marathon. A marathon is 26 miles; you can't sprint 26 miles. You have to pace yourself for the long race and keep as positive an attitude as you can along the way.
Oil Pump Replacement Cost Estimates. The average cost for an Oil Pump Replacement is between $408 and $1213 but can vary from car to car.
The cost to replace the oil pump on a 2001 Jeep Cherokee Sport  ranges from $300 and $500. Replacing the oil pump requires the oil  pan to be removed.