3116 and 3126 Truck Engines Crankshaft Rear Seal – Remove

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-8145     Drill Bit     1    
B     1U-7600     Slide Hammer Puller Gp     1    
C     4C-4869     Distorter Ring     1    
D     5P-7312     Seal Distorter     1    

Start By:

A.Remove the flywheel. Refer to Disassembly and Assembly, “Flywheel – Remove”.
1.Use Tooling (A) to drill three evenly spaced holes in the crankshaft rear seal.

2.Carefully remove crankshaft rear seal (1) by alternating the position of Tooling (B) from hole to hole. This will allow crankshaft rear seal (1) to be removed evenly without damage to the rear flange surface of the crankshaft.
Note: New engines from the factory do not have a wear sleeve. Engines with seals that have been replaced will be equipped with a wear sleeve. If the crankshaft of the engine is equipped with a wear sleeve, refer to Disassembly and Assembly, “Crankshaft Wear Sleeve (Rear) – Remove” in order to remove the wear sleeve.

3.Use Tooling (C) and Tooling (D) to remove the wear sleeve (if equipped).

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