To remove the oil pump, relieve the valve plug, spring, and valve. Also, loosen and remove the oil pump cover bolts and cover, and remove the drive and driven rotor. Inspect all parts for damage. Also, apply petroleum jelly to the rotors and place them in the
Timing Chain cover with pump marks out. Lubricate and insert the oil pressure relief valve and spring, tighten the plug, and reinstall the timing chain cover.