GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 7.8L 🢒 Auxiliary Engine Oil Filter Draining

Removal Procedure

    Object Number: 1386310 Size: SH
  1. Place a suitable container under the drain plug (2) to catch the oil.
  2. Remove the drain plug (2).
  3. Loosen the vent plug (1).

Installation Procedure

    Object Number: 1386310 Size: SH
  1. Install the drain plug (2).
  2. Remove the vent plug (1) and fill the auxiliary engine oil filter housing.