C6.6 Industrial Engine Engine Oil Pan - Install - Aluminum Oil Pan Caterpillar


Engine Oil Pan - Install - Aluminum Oil Pan
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Guide Stud
M8 by 100 mm 
6V-6640  Sealant 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

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.

Dispose of all fluids according to local regulations and mandates.


  1. If necessary, install the plate for the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan Plate - Remove and Install" for the correct procedure.


    Illustration 1g02010373


    Illustration 2g02445176

  2. Install Tooling (A) to Positions (X) in the cylinder block.

  3. Ensure that engine oil pan (11) is clean and free from damage.

  4. Position a new gasket (5) onto engine oil pan (11).

  5. Install new bobbins (13) to the engine oil pan. Do not install the bobbins in Positions (X). Refer to Illustration 1.

    Note: The bobbins are held captive by the gasket.

  6. Ensure that the gasket surface of the isolating frame is clean and from damage.

  7. Align the assembly of the engine oil pan with Tooling (A). Install the assembly of the engine oil pan to the isolating frame.

  8. Install bolts (12) in Position (Z) to the bobbins finger tight.

  9. Install bolts (14) to the bobbins finger tight.


    Illustration 3g02010374
    (X) Position of guide studs.
    (Z) Position of short bolts.
    Sequence for tightening the bolts

  10. Tighten bolts (12) and bolts (14) to a torque of 22 N·m (195 lb in). Tighten the bolts in the sequence that is shown in Illustration 3.

  11. Remove Tooling (A).


    Illustration 4g02010375
    Sequence for tightening the bolts

  12. Install the four remaining bolts (12). Tighten the bolts to a torque of 22 N·m (195 lb in). Tighten the bolts in the sequence that is shown in Illustration 4.


    Illustration 5g02445177


    Illustration 6g02445276

  13. Install a new O-ring seal (7) to drain plug (6). Install drain plug (6) to engine oil pan (11). Tighten the oil drain plug to a torque of 34 N·m (301 lb in).

  14. If necessary, follow Step 14.a through Step 14.c in order to install the assembly of the dipstick tube.

    1. Install a new O-ring seal (3) and new seal (4) to tube assembly (1).

    2. Apply Tooling (B) to the threads of nut (2). Install the tube assembly to the engine oil pan.

      Note: Ensure that the orientation of the tube assembly is correct.

    3. Tighten nut (2) to a torque of 18 N·m (159 lb in).

  15. If necessary, follow Step 15.a through Step 15.c in order to install oil level switch (8) to engine oil pan (11).

    1. Install a new O-ring seal (9) (not shown) to oil level switch (8).

    2. Install oil level switch (8) to engine oil pan (11). Tighten the oil level switch to a torque of 34 N·m (301 lb in).

    3. Connect the Original Equipment Manufactures (OEM) wiring harness to wiring harness assembly (10) for oil level switch (8). Install a new cable strap to the wiring harness assembly.

      Note: Ensure that the cable strap meets the OEM specification.

  16. Fill the engine oil pan to the correct level. Refer to Operation and Maintenance Manual, "Oil Filter Change" for the correct procedure.

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