6. REMOVE 2-3 SHIFT VALVE (a) Push the plug, remove the retainer with a magnetic finger. (b) Remove the plug, 2-3 shift valve and spring. INSPECTION OF UPPER REAR 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) 3-4 Shift valve 29.15 (1.1476) Blue (2) 2-3 Shift valve 29.15 (1.1476) Blue (3) 1-2 Shift valve 29.15 (1.1476) Blue (4) Rear clutch sequence 37.55 (1.4783) None valve ASSEMBLY OF UPPER REAR VALVE BODY (See page AT-97) 1. INSTALL 3-4 SHIFT VALVE (a) Install the 3-4 shift valve and spring. (b) Install the plug into the bore. Coat the retainer with petroleum jelly and install it.