OIL PUMP Disassembly Note Oil seal Remove the oil seal with a screwdriver protected with a rag. Pump cover 1. Remove the pump cover mounting bolts with an impact screwdriver. 2. Remove the pump cover. INSPECTION Pressure Spring 1. Inspect the spring for weakness and damage. 2. Measure the spring free length. Replace the spring if necessary. Free length: 46.79 mm {1.842 in} Rotor Clearance Measure the following clearances. Replace the rotor if necessary. Inner rotor-totooth tip clearance: 0.020.18 mm {0.00080.0070 in} Maximum: 0.20 mm {0.0079 in} Outer rotor-to-pump body clearance: 0.1130.186 mm {0004500073 in} Maximum: 0.22 mm {0.0087 in}