17-30. TRANSMISSION ASSEMBLY FROM SUBASSEMBLIES (4L80-e) (Cont' )
k. Front Servo
Install spring (2) and piston assembly (1) in transmission case (3) ensuring piston assembly (1) is firmly
seated on spring (2).
l. Band Apply Pin Check
Place gauge pin in rear servo bore of transmission case (3) and rotate to side "A".
Place checking tool on servo bore with hex nut (5) facing parking pawl side of transmission case
Secure checking tool to transmission case (3) with two servo cover screws (4). Tighten screws
(4) to 18 lb-ft ( 24 N-m).
Ensure gauge pin can move freely in checking tool.
Apply 25 lb-ft (34 N.m) of torque to hex nut (5).
Read edge of gauge pin that is even with checking tool edge at pin gauge. Record number and letter.