17. INSPECT BALL JOINTS AND DUST COVERS (a) Inspect the ball joints for excessive looseness. • Jack up the front of the vehicle and place wooden blocks with a height of 180 — 200 mm (7.09 — 7.87 in.) under the front tires. • Lower the jack until there is about half a load on the front coil springs. Place stands under the vehicle for safety. • Make sure the front wheels are in a straightforward position, and block them with chocks. • Using a lever, pry up the end of the lower arm, and check the amount of play. Maximum ball joint vertical play: 2.5 mm (0.098 in.) If excessive play is found, replace the ball joints. (b) Inspect the dust cover for damage. 18. CHECK AUTOMATIC TRANSMISSION OR MANUAL TRANSMISSION AND DIFFERENTIAL OIL Visually check the automatic transmission or manual transmission and differential for oil leakage. If leakage is found, check for cause and repair. 19. REPLACE MANUAL TRANSMISSION AND DIFFERENTIAL OIL (a) Remove the drain plug and drain the oil. (b) Reinstall the drain plug. (c) Add new oil until it begins to run out of the filler hole. Transmission oil — Oil grade: API GL-4 or GL-5 Viscosity: SAE 75W-90 or 80W-90 Capacity: 2.4 liters (2.5 US qts, 2.1 Imp. qts) Differential oil — Oil grade: API GL-5 hypoid gear oil or for LSD oil (LSD only) Viscosity: Above —18°C (0°F) SAE 90 Below —18°C (0°F) SAE 80W-90 or 80W Capacity: 1.2 liters (1.3 US qts, 1.1 Imp. qts)