C27 and C32 Tier 4 Engines Caterpillar

Illustration 1	g02175391

Note: The front face of the flywheel housing group and the rear face of the rear housing must be free of oil, fuel, water, assembly compounds, and any other contaminants during assembly.

Use the following procedure in order to tighten the bolts fro the flywheel housing group:

1. For bolt (1) through bolt (2), use 3/8-16 X 4 3/4 inch bolts. Torque the bolt (1) through bolt (2) in the proper numerical sequence to a torque of 55 ± 10 N·m (41 ± 7 lb ft). Refer to Illustration 1.

2. For bolt (3) through bolt (10), use 3/8-16 X 5 inch bolts. Torque the bolt (3) through bolt (10) in the proper numerical sequence to a torque of 135 ± 20 N·m (100 ± 15 lb ft). Refer to Illustration 1.

3. For bolt (11) through bolt (34), use 3/8-16 X 2 1/2 inch bolts. Torque the bolt (11) through bolt (34) in the proper numerical sequence to a torque of 47 ± 9 N·m (35 ± 7 lb ft). Refer to Illustration 1.