GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Colorado Pickup - 2WD 🢒 Engine 🢒 Engine Mechanical - 3.5L (L52) 🢒 Balance Chain Replacement

Removal Procedure
  1. Remove the balance shaft chain tensioner. Balance Chain Tensioner Replacement .

    2. Object Number: 953998 Size: SH
  2. Remove the balance shaft drive chain from the following:
    3. 2.1. The crankshaft sprocket.
    2.2. The left balance sprocket.
    2.3. The right balance sprocket.

Installation Procedure

    Object Number: 953998 Size: SH

    Important: Ensure the darkened links are facing outward.

  1. Install the balance shaft drive chain to the following:
    2. 1.1. The left balance sprocket.
    1.2. The right balance sprocket.
    1.3. The crankshaft sprocket.

    Object Number: 1403675 Size: SH
  2. Verify the correct timing chain and timing mark alignments:
    3. • 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 Chain Tensioner Replacement .