Overdrive Unit Disassembly & Reassembly: Inspection

Inspect check ball in piston for free movement by shaking piston. Ensure valve does not leak by applying low pressure compressed air. If discs are replaced, soak discs in ATF for 15 minutes. Measure inside diameter of 2 direct clutch bushings. Maximum inside diameter is .871" (22.13 mm). If inside diameter exceeds specification, replace direct clutch drum.

Measure planetary pinion gear thrust clearance. Standard clearance is .006-.022" (.16-.56 mm). Maximum clearance is .024" (.61 mm). If clearance is excessive, replace planetary gear assembly.