INSTALLATION AR-ENGINE 4384240 - Caterpillar

Bolt Tightening Procedure
The cylinder head bolt tightening procedure depends on which cylinder head gasket is used. Refer to one of the following bolt tightening procedures based on your cylinder head gasket.Bolt Tightening with the 110-6991 Cylinder Head Gasket
Use the following procedure when the 110-6991 Cylinder Head Gasket is installed.
Illustration 3 g02599197
Table 2
Specification for 101-0830 Cylinder Head Gp, 299-3521 Cylinder Head Gp, 332-9693 Cylinder Head Gp, 274-8568 Cylinder Head Gp, 317-2441 Cylinder Head Gp, 291-1463 Cylinder Head Gp, 285-3086 Cylinder Head Gp, and 368-9073 Cylinder Head Gp
Item Qty Part Specification Description
- 6 131-0420 Cylinder Head Fastener Gp 1. Coat the threads of the bolts with clean engine oil.
2. Tighten bolt (1) through bolt (8) in the numerical sequence to 30 5 N m (22 4 lb ft).
3. Tighten bolt (1) through bolt (8) in the numerical sequence to 200 15 N m (150 11 lb ft).
4. Again tighten bolt (1) through bolt (8) in the numerical sequence to 200 15 N m (150 11 lb ft).
5. Turn bolt (1) through bolt (8) in the numerical sequence to an additional rotation of 180 5 degrees.
Tighten bolts (9) and (10) only after bolt (1) through bolt (8) have been given the final torque.
6. Tighten bolts (9) and (10) to 55 10 N m (40 7 lb ft).
2 131-0421 Cylinder Head Fastener Gp
2 5B-0213 Bolt Bolt Tightening with the 362-8264 Cylinder Head Gasket
Use the following procedure when the 362-8264 Cylinder Head Gasket is installed.
Illustration 4 g02599198
Table 3
Specification for 101-0830 Cylinder Head Gp, 299-3521 Cylinder Head Gp, 332-9693 Cylinder Head Gp, 274-8568 Cylinder Head Gp, 317-2441 Cylinder Head Gp, 291-1463 Cylinder Head Gp, 285-3086 Cylinder Head Gp, and 368-9073 Cylinder Head Gp
Item Qty Part Specification Description
- 6 131-0420 Cylinder Head Fastener Gp 1. Coat the threads of the bolts with clean engine oil.
2. Tighten bolt (1) through bolt (8) in the numerical sequence to a torque of 30 5 N m (22 4 lb ft).
3. Tighten bolt (1) through bolt (8) in the numerical sequence to 100 15 N m (75 11 lb ft).
4. Tighten bolt (1) through bolt (8) in the numerical sequence to 450 15 N m (330 11 lb ft).
5. Loosen bolt (1) through bolt (8) in the numerical sequence for an angle of 90 5 degrees.
6. Tighten bolt (1) through bolt (8) in the numerical sequence to 490 15 N m (360 11 lb ft).
Tighten bolts (9) and (10) only after bolt (1) through bolt (8) have been given final torque.
7. Tighten bolts (9) and (10) to 55 10 N m (40 7 lb ft).
2 131-0421 Cylinder Head Fastener Gp
2 5B-0213 Bolt