ENGINE MECHANICAL — Engine Tune-up EM-8 ENGINE TUNE-UP I NSPECTION OF ENGINE COOLANT 1. CHECK ENGINE COOLANT LEVEL AT RESERVE TANK The coolant level should be between the "LOW" and "FULL" lines. If low, check for leaks and add coolant up to the "FULL" li ne. 2. CHECK ENGINE COOLANT QUALITY There should not be any excessive rust deposits or scales around the radiator cap or radiator filler hole, and the coolant should be free from oil. If excessively dirty, replace the coolant. I NSPECTION OF ENGINE OIL Recommended Viscosity (SAE): 1. CHECK ENGINE OIL QUALITY Check the oil for deterioration, entry of water, discoloring or thinning.
15W-40 20W-40 20W-503 10W-30 5W-30 10W-40 10W-50 If the quality is poor, replace the oil. Use API grade SC, SD, SE, SF or better and recom- mended viscosity oil. °F -20 0 20 40 60 80 1 00 °C -29 -18 -7 4 1 6 27 38 TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE LUO311 2. CHECK ENGINE OIL LEVEL The oil level should be between the "L" and "F" marks on the dipstick. If low, check for leakage and add oil up to the "F" mark. I NSPECTION OF AIR FILTER I NSPECT AIR FILTER (a) Visually check that the air cleaner element is not excessively dirty, damaged or oily. If necessary, replace the air cleaner element. (b) Clean the element with compressed air.
First blow from inside thoroughly, then blow off the out- side of the element.