PLUG 4B4098 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove and Install".
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove and Install".
Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove".
Illustration 1 g00892726
Remove bolts (1) and front cover (2) .
Remove the crankshaft front seal. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove".Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9U-6200     Front Cover Installer     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean all surfaces of the front housing and clean the front cover thoroughly.
Install the crankshaft front seal. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Install".
Illustration 2 g00892726
Use Tooling (A) and existing bolts to center front cover (2) .
Install front cover (2) and bolts (1) .
Illustration 3 g03551456
Tighten bolts (1) to a torque of 22 N m (16 lb ft) using the sequence in Illustration 3.
The location of the front cover is critical. If the front cover is not centered, the backlash between the fuel injection pump gear and the water pump gear could be affected. This could result in damage to the fuel injection pump.
End By:
Install the alternator. Refer to Disassembly and Assembly, "Alternator - Install".
Install the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove and Install".
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove and Install".