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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Engine Mechanical - 3.7L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Balance Shaft Drive Chain Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Balance Shaft Drive Chain
    GM953998Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the darkened links are facing outward.
  1. Install the balance shaft drive chain to the following:
    1. The left balance sprocket.
    2. The right balance sprocket.
    3. The crankshaft sprocket.
    2. Fig 2: View Of Sprocket Timing Marks
    GM1403675Courtesy of GENERAL MOTORS CORP.
  2. Verify the correct timing chain and timing mark alignments:
    • The left hand balance shaft sprocket timing mark (1) is at the 12:00 position
    • The right hand balance shaft sprocket timing mark (2) is at the 2:30 position
    • The crankshaft sprocket timing mark (3) is at the 4:30 position
    • The 3 timing marks (1-3) on the sprockets line up with a dark link on the chain
  3. Install the balance shaft chain tensioner. Balance Shaft Chain Tensioner Replacement .
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