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

Valve, Spring, and Valve Seal 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.

Special Tools Required 

Valve Spring Compressor Attachment 07757-PJ1010A

Identify the valves and valve springs as they are removed so that each item can be reinstalled in its original position.

  1. Remove the cylinder head (see CYLINDER HEAD REMOVAL  ).
  2. Remove the rocker arm assembly (see ROCKER ARM ASSEMBLY REMOVAL  ).
  3. Remove the camshaft (see CAMSHAFT REMOVAL  ).
  4. Using an appropriate-sized socket (A), and a plastic mallet (B), lightly tap the valve retainer to loosen the valve cotters.
    Fig 1: Tapping Valve Retainer
    G06428933
  5. Install the valve spring compressor and attachment. Compress the valve spring, and remove the valve cotters.
    Fig 2: Compressing Valve Spring
    G06428934
  6. Remove the valve spring compressor and the attachment, then remove the spring retainer, the valve spring and the valve.
  7. Install the valve guide seal remover.
    Fig 3: Identifying Valve Guide Seal Remover
    G06428935
  8. Remove the valve seal.
    Fig 4: Removing Valve Seal
    G06428936
  9. Remove the valve spring seat.