GENERAL AR 4516779 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-8937 Heat Sink Compound 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: M.C.S. regulated engines are equipped with thermowells which allow specific temperature sensors to be removed with the engine running. A heat conductive compound is used to ensure that an accurate temperature reading is achieved by the temperature sensor when installed in a thermowell.
Illustration 1 g03358465
Disconnect harness assembly (1).
Remove engine oil temperature sensor (2) from thermowell (3).
Use a clean towel to remove heat transfer compound from engine oil temperature sensor (2) and thermowell (3).
Illustration 2 g03358461
Typical Example
Remove O-ring seal (4) from temperature sensor (2). Installation Procedure
Install the temperature sensor (2) in the reverse order of removal.
Apply 1.7 mL (0.06 oz) of heat transfer compound to the inside of thermowell (3).