C7 Industrial Engines Disassembly and Assembly – Engine Oil Pump – Disassemble

Disassembly Procedure

Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver 1

Start By:

  1. Remove the engine oil pump. Refer to Disassembly and Assembly, “Engine Oil Pump – Remove”.



Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Remove oil pickup tube (2) and the gasket. Remove outlet elbow (1) and the O-ring seal.

  1. Remove bolt (3) , washer (4) , and idler gear (5) from the engine oil pump.


  1. Use Tooling (A) and a suitable press to remove sleeve bearing (8) from idler gear (5) .


  1. Remove shaft (6) from oil pump body assembly (7) .
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