AT-37 A340H AUTOMATIC TRANSMISSION - SERVICE SPECIFICATIONS Transfer Case And Front Support Front support bushing inside diameter 31.40 mm 1.2362 in. Transfer Chain Front Case Front drive shaft oil seal depth 2.7 - 3.3 mm 0.106 - 0.130 in. Output shaft oil seal depth Front 0.433 - 0.445 in. 11.0 - 11.3 mm Rear 0 - +0.3 mm 0 - +0.012 in. Transfer Chain Rear Case Front drive shaft bearing depth 1.2 - 1.8 mm 0.047 - 0.071 in. Output shaft oil seal depth Front 0.433 - 0.445 in. 11.0 - 11.3 mm Rear 0 - +0.3 mm 0 - +0.012 in. Transfer Oil Pump Body clearance STD 0.07 - 0.15 mm 0.0028 - 0.0059 in. Maximum 0.3 mm 0.012 in. Tip clearance STD 0.15 - 0.42 mm 0.0059 - 0.0165 in. Maximum 0.6 mm 0.024 in. Side clearance STD 0.04 - 0.15 mm 0.0016 - 0.0059 in. Transfer Extension Housing Extension housing oil seal depth 2.7 - 3.3 mm 0.106 - 0.130 in. Accumulator Spring Spring Free length / Outer diameter mm (in.) Color B2 70.5 (2.776) / 19.7(0.776) Yellow C2 Inner 42.1 (1.657) / 14.7 (0.579) Pink C2 Outer 70.2 (2.764) / 20.2 (0.795) Purple B0 62.0 (2.441) / 16.0 (0.630) Green C0 Outer 74.6 (2.937) / 20.9 (0.823) Orange C0 Inner 46.0 (1.811) / 14.0 (0.551) Yellow