3116 and 3126 Truck Engines Vibration Damper and Pulley – Remove and Install

Removal Procedure

1.Remove bolts (2), crankshaft vibration damper (3), and spacers from the crankshaft pulley.
Note: For information on the reusability of the vibration damper on 3114 and 3116 engines, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8220, “Specifications for Damper Inspection 3114 and 3116 Engines”.

2.Loosen the tension on water pump drive belt (1). Remove water pump drive belt (1) from the crankshaft pulley.

3.Remove bolts (4) and the washers.

4.Remove crankshaft pulley (5) .
Note: For information on the reusability of the crankshaft pulley, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8046, “Cast Iron and Steel Pulleys”.

Installation Procedure

1.Position crankshaft pulley (5) on the crankshaft. Install bolts (4) and tighten the bolts to a torque of 160 ± 30 N·m (118 ± 22 lb ft).
Note: For information on the reusability of the crankshaft pulley, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8046, “Cast Iron and Steel Pulleys”.


2.Install water pump drive belt (1) .
Note: Check the alignment marks on the rubber vibration dampers for proper alignment. The rubber vibration damper should be replaced if the rubber vibration damper is out of alignment. Refer to Specifications, “Vibration Damper”.

3.Install spacers and crankshaft vibration damper (3). Tighten bolts (2) to a torque of 55 ± 10 N·m (40 ± 7 lb ft).
Note: For information on the reusability of the vibration damper on 3114 and 3116 engines, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8220, “Specifications for Damper Inspection 3114 and 3116 Engines”.

4.Adjust the tension of water pump drive belt (1). Refer to the Specifications Module, “Belt Tension Chart”. Also, refer to the Operation and Maintenance Manual, “Belt – Inspect”.

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