Slip Or Shudder In Forward Position After Warm-Up
WARNING: This page is about a different car, the 2002 Toyota ECHO, 2002 Toyota Celica, 2001 Toyota ECHO, and 2001 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
Check upper valve body, oil strainer, torque converter clutch, forward clutch, direct clutch, 2nd coast and O/D brake, 2nd brake and No. 1 one-way clutch.