3306C Truck Engine Caterpillar

Removal Procedure

Start By:

1. Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove" .

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Illustration 1	g00479056

1. Remove No. 1, 3, 5 and 7 main bearing caps (3) . Remove the lower halves of the main bearings from the main bearing caps.

Note: If the crankshaft is turned in the wrong direction, the tab on the bearing will be pushed between the crankshaft and the bearing area in the cylinder block. This can result in damage to the cylinder block and/or the crankshaft.

2. Install Tool (A) in the oil hole in the crankshaft journal. Turn the crankshaft in order to remove the upper halves of main bearings (1) .

3. Remove crankshaft thrust bearings (2) .

4. Install No. 1, 3, 5, and 7 main bearing caps (3) . Refer to Disassembly and Assembly, "Crankshaft Main Bearings - Install" .

5. Remove the remaining main bearing caps (No. 2, 4 and 6) (3) . Remove the lower halves of the main bearings from the main bearing caps.

Note: If the crankshaft is turned in the wrong direction, the tab on the bearing will be pushed between the crankshaft and the bearing area in the cylinder block. This can result in damage to the cylinder block and/or the crankshaft.

6. Install Tool (A) in the hole in the crankshaft journal. Turn the crankshaft in order to remove the upper halves of main bearings (1) .