SHIELD 4L1327 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     -     Loctite C5A     -    Start By:
Install wheel chocks.
Turn the battery disconnect switch to the OFF position.
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedure.
Raise the front hood assembly and the rear hood assembly.
Illustration 1 g03035165
Disconnect clamp (1) and clamps (2). Position elbow (3) out of the way.
Remove hose (4). Remove bolts (5) and elbow (6) .
Illustration 2 g03035197
Disconnect tube assembly (7) and hose assembly (8) .
Illustration 3 g03035216
Disconnect tube assembly (9) .
Illustration 4 g03035240
Remove bolts (10) .
Illustration 5 g03035244
Illustration 6 g03035296
Remove bolts (11) and nuts (12) .
Use a suitable lifting device to remove turbocharger (13). The weight of turbocharger (13) is approximately 30 kg (65 lb).
Remove gasket (14) and gasket (15) .
Illustration 7 g03035123
Disconnect hose assemblies (16) .
Remove bolts (17). Repeat this step for the opposite end.
Use two people to remove platform (18). The weight of platform (18) is approximately 25 kg (55 lb).
Illustration 8 g03037156
Disconnect clamp (19) and clamps (20). Remove bolts (21) and elbow (22) .
Repeat Step 3 through Step 10 for the front turbocharger.
Repeat Step 3 through Step 15 for the opposite side of the engine.Installation Procedure
Install turbocharger (13) in the reverse order of removal.
Install a new gasket (15) and a new gasket (14) .
Apply Tooling (A) onto bolts (11) .
Tighten nuts (12) to a torque of 55 5 N m (41 4 lb ft).
Apply Tooling (A) onto bolts (10) .
Center clamps (4) with the markings on the hoses. Orientate clamps (4) so that the T-bolts are 90° apart. Tighten clamps (4) to a torque of 10 2 N m (89 18 lb in).
Center clamps (2) with the markings on the hoses. Orientate clamps (2) so that the T-bolts are 180° 90° apart and 30°from horizontal. Tighten clamps (2) to a torque of 7.5 1.0 N m (66 9 lb in).
Tighten clamp (1) to a torque of 7.5 1.0 N m (66 9 lb in). Tap around the diameter of clamp (1) then tighten clamp (1) again to a torque of 7.5 1.0 N m (66 9 lb in).