gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Engine Oil Pressure|Specifications|Page 4569 > < Engine Oil Pressure|Specifications|Page 4567
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Notice: Special new tool EN 47971 must be used. Due to the special size and thread pitch of the oil filter adapter fitting ensure the proper
tool is used or component damage will result.

7. Install the EN-47971 onto the oil filter adapter.

8. Install the 1/8 NPT fitting from the J 21867 into the port on the EN-47971.

Engine Oil Pressure|Specifications|Page 4569 > < Engine Oil Pressure|Specifications|Page 4567