How do you change the Water Pump on a 1997 Cavalier 4.2 Twin Cam What are the stepts to replacing the pump?

Answer 1

Caution:On models with a Delco Loc 2 or Theftlock audio system be sure the lockout feature is turned off before proceeding * Disconnect the negative battery cable * Drain the cooling system * Remove the cooling fan then remove the serpentine drivebelt 2.2L OHV Engine * Remove the water pump pulley from the front of the water pump * Remove the coolant reservoir hoses * Detach the water pump retaining bolts and remove the pump from the vehicle 2.3L And 2.4L OHC Engines * Disconnect the oxygen sensor harness connector * Raise the vehicle and support it securely on jackstands * Remove the exhaust manifold brace and loosen the exhaust manifold bolts * Remove the radiator outlet pipe assembly to the water pump housing bolts and separate the assembly from the engine * Remove the exhaust manifold pipe from the exhaust manifold * Remove the radiator outlet pipe from the oil pan.On manual transaxles cars remove the exhaust manifold brace and keep the radiator inlet hose attached to the assembly.Pull down on the radiator outlet pipe in order to disengage the pipe from the water pump while leaving the radiator outlet pipe hanging * Lower the car remove the brake booster vacuum hose from the camshaft housing also remove the exhaust manifold from the cylinder head * Remove the timing chain cover from the engine * Remove the timing chain tensioner * Remove the water pump cover bolts from the engine block and the timing chain housing * Remove the water pump bolts and separate the assembly from the housing