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TORQUE CONVERTER CLUTCH (TCC) In a standard torque converter, the impeller and turbine are rotating at about the same speed and the The engagement and disengagement of the TCC are automatic and controlled by the Powertrain Con- REMOVAL (1) Remove transmission and torque converter from vehicle. (Refer to 21 - TRANSMISSION/TRANS- (2) Place a suitable drain pan under the converter housing end of the transmission. CAUTION: Verify that transmission is secure on the (3) Pull the torque converter forward until the cen- ter hub clears the oil pump seal. (4) Separate the torque converter from the trans- mission. INSTALLATION Check converter hub and drive notches for sharp edges, burrs, scratches, or nicks. Polish the hub and (1) Lubricate converter hub and oil pump seal lip with transmission fluid. (2) Place torque converter in position on transmis- sion. CAUTION: Do not damage oil pump seal or bushing (3) Align torque converter to oil pump seal open- ing. (4) Insert torque converter hub into oil pump. converter until converter is fully seated in the oil (6) Check converter seating with a scale and straightedge (Fig. 355). Surface of converter lugs (7) If necessary, temporarily secure converter with C-clamp attached to the converter housing. (8) Install the transmission in the vehicle. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC (9) Fill the transmission with the recommended fluid. (Refer to 21 - TRANSMISSION/TRANSAXLE/ Fig. 355 Checking Torque Converter Seating 1 - SCALE 21 - 458 41TE AUTOMATIC TRANSAXLE PT TORQUE CONVERTER (Continued) |