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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Mechanical - 3.6L (Ly7) (3 Of 6)) >> Repair Instructions (On-Vehicle - Part 2 And Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions - Part 2 >> Oil Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Oil Pump & Mounting Bolts
    GM902821Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not remove the left bank idler sprocket.
  1. Remove the primary timing chain. Refer to Primary Camshaft Drive Chain and Sprockets Replacement .
  2. Remove the crankshaft sprocket. Refer to Crankshaft Sprocket Removal .
  3. Remove the oil pump bolts and the oil pump. Refer to Oil Pump Removal .
  4. Perform the following steps as necessary:
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