AT-94 AUTOMATIC TRANSMISSION — Component Groups (Valve Body) INSPECTION OF UPPER FRONT VALVE BODY INSPECT VALVE SPRINGS Check for damage, squareness, rust and collapsed coils. Measure the spring free height and replace if less than that shown below. Spring Free height mm (in.) Color (1) Secondary regulator valve 71.27 (2.8059) Green (2) Down-shift plug 39.55 (1.5571) Green (3) Throttle valve 19.24 (0.7575) None (4) Cut-back valve 23.00 (0.9055) Green ASSEMBLY OF UPPER FRONT VALVE BODY See page AT-92 1. INSERT THROTTLE VALVE Note arrangement in the figure. Make sure that the valve is inserted fully into the bore. 2. INSTALL THROTTLE VALVE RETAINER Coat the retainer with petroleum jelly to keep it in place. Note position of tabs in the figure. Slip the retainer into place in the valve body. 3. INSTALL ADJUSTING RINGS AND SMALL SPRING ON THROTTLE VALVE SHAFT (a) Install the same number of adjusting rings as were re- moved during disassembly. (b) Slip the spring over the valve shaft. Compress and slide into place. 4. INSERT SPRING AND DOWN-SHIFT PLUG (a) Push the down-shift plug into the bore. (b) Coat the pin with petroleum jelly and install it to hold the sleeve.