21 Encore GX (GX ONLY!). ABS Pump Module Assembly. ENCORE GX 21-23. This may require reprogramming at a dealer to ensure proper functionality. TRAILBLAZER 21-22 (assembly). MUST INSTALL A FILTER AND FLUID IN AN AUTOMATIC TRANSMISSION FOR IT TO FUNCTION AND THE TORQUE CONVERTER MUST BE ALIGNED TO THE PUMP DURING INSTALLATION.
