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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Cylinder Head) >> Cam Chain Removal

Cam Chain Removal

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Keep the cam chain away from magnetic fields.
  1. Remove the cylinder head cover (see CAM CHAIN CASE OIL SEAL INSTALLATION  ).
  2. Set the No. 1 piston at top dead center (TDC). The UP mark (A) on the camshaft sprocket should be at the top, and the TDC grooves (B) on the camshaft sprocket should lineup with the top edge of the head.
    Fig 1: Identifying Mark On Camshaft Sprocket
    G06428866
  3. Remove the front wheels.
  4. Remove the splash shields (see step 22 ENGINE REMOVAL ).
  5. Loosen the water pump pulley mounting bolts.
  6. Remove the drive belt (see DRIVE BELT INSPECTION ).
  7. Remove the water pump pulley (see step 6 WATER PUMP REPLACEMENT ).
  8. Remove the crankshaft pulley (see CRANKSHAFT PULLEY REMOVAL AND INSTALLATION  ).
  9. Support the engine with a jack and a wood block under the oil pan.
  10. Disconnect the ground cable (A), then remove the side engine mount/bracket assembly (B).
    Fig 2: Identifying Ground Cable And Engine Mount/Bracket Assembly
    G06428867
  11. Remove the cam chain case.
    Fig 3: Identifying Cam Chain Case With Bolts
    G06428868
  12. Measure the cam chain separation. If the distance is less than the service limit, replace the cam chain and the cam chain tensioner.

    Standard Distance: 19 mm (0.75 in) 

    Service Limit: 15 mm (0.59 in) 

    Fig 4: Identifying Cam Chain Distance
    G06428869
  13. Apply new engine oil to the sliding surface of the cam chain tensioner slider (A).
    Fig 5: Sliding Surface Of Cam Chain Tensioner Slider
    G06428870
  14. Hold the cam chain tensioner slider with a screwdriver, then remove the upper bolt (B), and loosen the lower bolt (C).
  15. Remove the cam chain tensioner slider.
    Fig 6: Identifying Cam Chain Tensioner Slider
    G06428871
  16. Remove the cam chain tensioner (A) and the cam chain guide (B). Inspect the tensioner and the guide, and replace them if needed.
    Fig 7: Identifying Cam Chain Tensioner And Cam Chain Guide
    G06428872
  17. Remove the cam chain.