Cobalt L4-2.4L VIN B (2006)
Timing Chain: Service and Repair
Timing Chain, Sprockets, and/or Tensioner Replacement
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Tools Required
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J 45027 Tensioner Tool
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J 45059 Angle Meter
Removal Procedure
1. Remove the #1 cylinder spark plug. Refer to Spark Plug Replacement.
2. Rotate the crankshaft in the engine rotational direction clockwise, until the #1 piston is at top dead center (TDC) on the compression stroke.
3. Remove the camshaft cover.
4. Remove the engine front cover.
5. Remove the upper timing chain guide bolts and guide.