BRACKET AS 6C1823 - Caterpillar

Probable Causes
Oil Cooler Core
Leak in the oil cooler coreCylinder Head Gasket
Cylinder head gasket
Cylinder headBlock
Cylinder blockRecommended Actions
Leak in the Oil Cooler Core
Check for leaks in the oil cooler core. If a leak is found, install a new oil cooler core. Refer to Disassembly and Assembly for the procedure to remove and install the oil cooler.
Drain the crankcase and refill the crankcase with clean engine oil. Install new engine oil filters. Refer to the Operation and Maintenance Manual for the procedures. Cylinder Head Gasket
Remove the cylinder head. Refer to the Disassembly and Assembly manual for the procedure.
Install a new cylinder head gasket. Refer to the Disassembly and Assembly manual. Cylinder Head
Check for cracks in the cylinder head. If a crack is found, repair the cylinder head and/or replace the cylinder head. Refer to the Disassembly and Assembly manual.Cylinder Block
Inspect the cylinder block for cracks. If a crack is found, repair the cylinder block or replace the cylinder block.