KIT-GASKET 4478670 - Caterpillar

Removal Procedure
Start By:
Drain the cooling system. If the engine uses Diesel Engine Antifreeze/Coolant (DEAC), refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change". If the engine uses Extended Life Coolant (ELC), refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Remove the turbocharger, if equipped. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Remove the heat exchanger. Refer to Disassembly and Assembly, "Heat Exchanger - Remove". For naturally aspirated engines, remove the air intake housing.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00796684
Illustration 2 g00796721
If equipped, remove the fuel ratio control line (2) from the inlet and exhaust manifold (1) .
Loosen the hose clamps (3) for the coolant hose (4).
Illustration 3 g00796705
Remove eight nuts (5) from the studs.
Illustration 4 g00796716
Remove four bolts (6) that secure the inlet and exhaust manifold (1) to the cylinder head.
Illustration 5 g00796722
Illustration 6 g00796724
Remove the inlet and exhaust manifold from the studs (7) .
Remove the gaskets (8) from the flange face of the cylinder head. Discard the gaskets.