63P3F11 6-6212345678914. Turn the shift rod to the reverse positionc with the shift rod push arm.15. Slowly turn the drive shaft clockwise andcounterclockwise and measure the back-lash when the drive shaft stops in eachdirection.NOTE:When measuring the reverse gear backlash,turn the shift rod push arm towards thereverse position c with force.16. Add or remove shim(s) if out of specifica-tion.M: Measurement17. Remove the special service tools, andthen install the water pump assembly.Reverse gear backlash:0.23–0.58 mm (0.0090–0.0228 in)Reverse gearbacklash Shim thicknessLess than0.23 mm (0.0090 in)To be decreased by(0.41 – M) × 0.67More than0.58 mm (0.0228 in)To be increased by(M – 0.41) × 0.67Available shim thicknesses:0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and0.50 mmBacklash (counter rotation model)