AT-68 AUTOMATIC TRANSMISSION — Component Parts (Oil Pump) 4. CHECK TIP CLEARANCE OF DRIVEN GEAR Measure between the driven gear teeth and the crescent-shaped part of the pump body. Standard tip clearance: 0.11 — 0.14 mm (0.0043 — 0.0055 in.) Maximum tip clearance: 0.3 mm (0.012 in.) If the tip clearance is greater than the maximum, replace the drive gear, driven gear or pump body. 5. CHECK SIDE CLEARANCE OF BOTH GEARS Using a steel straight edge and a feeler gauge, measure the side clearance of both gears. Standard side clearance: 0.02 — 0.05 mm (0.0008 — 0.0020 in.) Maximum side clearance: 0.1 mm (0.004 in.) If the side clearance is greater than the maximum, replace the drive gear, driven gear or pump body. 6. IF NECESSARY, REPLACE OIL SEAL (a) Pry off the oil seal with a screwdriver. (b) Using SST, install a new oil seal. The oil seal end should be flushed with the outer edge of the pump body. SST 09350-30020 (09351-32140) (c) Coat the oil seal lip with MP grease.