PLUG GP-TRANSMISSION 1246540 - Caterpillar

3. Remove the water pump outlet-to-engine oil cooler tube assembly (3).4. Remove water pump vent line (1).5. Disconnect the oil inlet and oil outlet lines, from the fan modulating control valve (2). 6. Loosen two hose clamps and slide hose (7) up on tube (4).7. Loosen hose clamp (9), remove four elbow retaining bolts (8), and remove water pump inlet elbow (5).8. Remove water pump-to-cylinder head vent line (6). Disconnect water pump-to-torque converter oil cooler elbow (10).9. Install two 3/8" - 16 NC forged eyebolts and attach hoist. Remove water pump mounting nuts and remove water pump - weight 85 lbs. (38,5 kg).Install Water Pump
1. Attach a hoist and position the water pump on the engine. Install mounting nuts. 2. Connect water pump-to-torque converter oil cooler elbow.3. Install water pump-to-cylinder head vent line. 4. Install water pump inlet elbow (2), and elbow retaining nuts. Tighten water inlet hose clamp.5. Slide hose (1) down into place and tighten both hose clamps.6. Connect the oil inlet and oil outlet lines to the fan modulating control valve.7. Install water pump vent line and water pump outlet-to-engine oil cooler tube assembly.8. Install engine side cover and fill the cooling system and crankcase.Disassemble Water Pump
preparatory step: a) remove water pump1. Remove the water pump inlet elbow. Remove the housing assembly-to-body retaining nuts and washers. Remove the housing assembly. 2. Remove the impeller retaining nut, washer and cotter pin. Using tool setup (A) and suitable washers, remove the impeller and seal ring. 3. Remove the water pump drive gear retaining nut and lock. Install tool setup (B) and remove the pump drive gear and key.4. Remove the bearing retainer mounting bolts and locks. Remove the bearing retainer. Remove the bearing assemblies and shaft. Press the bearing assemblies and spacer from shaft.5. Remove the impeller carbon seal assembly from the body. Remove the lip-type seal and O-ring from the body.Assemble Water Pump
1. Install the carbon seal assembly (1) into the water pump body using tool setup (A). Install the lip-type seal in body using tool setup (A). Lip of seal should be toward drive gear when installed. Lubricate lip of seal with lubricant being sealed. 2. Press the bearing assemblies and spacer onto the shaft. Install the shaft in body. Install the bearing retainer, mounting bolts and locks.3. Install the water pump drive gear and key. Install retaining nut and lock. Tighten nut (4) to 180 5 lb. ft. (24,9 0,7 mkg) and bend lock.4. Install seal ring (2) on the shaft with the polished surface of ring against carbon surface of seal. Install the impeller, retaining nut and washer. Tighten nut (3) to 70 5 lb. ft. (9,7 0,7 mkg) and install the cotter pin.5. Install the housing assembly and retaining nuts. Install the water pump inlet elbow.concluding step: a) install water pump