3054 Engine for Caterpillar Built Machines Caterpillar

Removal Procedure

Start By:

1. Remove the engine oil relief valve and the oil strainer. Refer to Disassembly and Assembly, "Engine Oil Relief Valve - Remove and Install".

Note: Remove the following components from the engine in order to remove the rear main bearing with the crankshaft in position: flywheel, flywheel housing, rear oil seal housing and bridge assembly.

Note: Use Tooling (A) in order to remove the front main bearing cap with the front housing and the engine oil pump in place. If Tooling (A) is not available, removal of the front cover and the engine oil pump will be necessary. The engine oil pump is attached to the front main bearing cap. Removal of the bolts is not possible with a socket. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".

1. Remove all necessary components in order to gain access to the specific main bearing cap.

2. Make sure that the main bearing cap is marked for the location and direction for installation. The main bearings and the main bearing caps must be installed in the same location.
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   Illustration 1	g00554537

3. Remove two bolts (1) and main bearing cap (2).
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   Illustration 2	g00554539

4. Remove lower main bearing (3) from main bearing cap (2). Keep the respective main bearing and the main bearing cap together for proper installation.
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   Illustration 3	g00554540

5. Push upper main bearing (4) from the opposite side of the bearing tab with a suitable tool. Carefully rotate the crankshaft while you push on the bearing. Remove upper main bearing (4) from the cylinder block. Keep the upper bearing halves together in order to ensure proper installation.

6. Repeat Steps 1 through 5 for the remaining main bearings.