Harsh Forward & Reverse Engagement

Check fluid level, high internal pressure, valve body (improperly torqued bolts, gaskets and separator plate damaged or positioned incorrectly, B1 or B4 check ball, pressure fail-safe valve, main regulator valve, line modulator valve open), oil pump assembly (improperly torqued bolts, gaskets damaged or positioned incorrectly, EPC solenoid) and forward clutch.