BELT-SERPENTINE 4857138 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove" for the correct procedure.
If the engine is equipped with a fan, remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the correct procedure.
Remove the front seal. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.
Illustration 1 g02048613
Remove bolts (3) and bolts (4). Identify the positions of bolts of different length.
Remove front cover (1) from the front housing.
Remove gasket (2) from front cover (1). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Stud
M8 by 70 mm 2
B 364-7210 Front Cover Alignment Tool 1
Illustration 2 g02190213
Ensure that all components are clean and free from damage. Replace any damaged components.
Thoroughly clean the gasket surface of the front housing.
Thoroughly clean front cover (1).
Install Tooling (A) into Holes (X) in the front housing.
Install a new gasket (2) onto Tooling (A).
Install front cover (1) onto Tooling (A).
Install bolts (3) and bolts (4) finger tight. Ensure that the bolts of different length are installed in the correct positions.
Use Tooling (B) to align the front cover assembly.
Remove Tooling (A) and install remaining bolts (4).
Tighten bolts (3) and bolts (4) to a torque of 22 N m (195 lb in).
Remove Tooling (B).
Install a new front seal to the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure. End By:
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Install" for the correct procedure.
If the engine was equipped with a fan, install the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the correct procedure.