OEM Chevrolet Blazer Valve Stem Oil Seal

Chevrolet Blazer Valve Stem Oil Seal Parts Questions & Experts Answers

• Valve Seals
  10212810
  Q: How to service and repair the valve stem oil seal and valve spring on Chevrolet Blazer?

  A: Before accessing the valve guide seal and valve spring you must remove the valve Rocker Arm cover as well as all pertinent valve rocker arms and spark plugs. The j 22794 (Spark Plug Port Adapter) enters the Spark Plug hole and locks valves in position. You need to join air supply equipment hoses. A pressurized air stream keeps the valves steady during service. Reposition the bolt from the valve Rocker Arm while inserting a flat washer underneath it and placing the bolt back into the valve spring hole for removal. Be careful because valve springs under compressed pressure push back forcefully when using a valve spring compressor. Apply the j 5892-d (Valve Spring Compressor) tool under the washer by slotting its end on the valve Rocker Arm bolt before applying steady pressure until the valve keys become visible. When needed apply the j 38606 valve spring compressor to obtain reliable valve spring connection. After disconnecting the valve keys press the j 5892-d or j 38606 into the valve spring tension to compress it then take both tools out. Turn off the valve spring and take off its cap before handling the valve guide seal. Install the correct engine oil seal onto the valve stem while holding it against the valve spring seat with the j 42073 until it reaches the 1-2mm mark below the valve guide. Insert both valve spring components before compressing the spring again through its installation tools. Position the valve guide o-ring seal and keys into place with grease then gently let the valve spring pressure escape to completion. Using a soft-face hammer strike the valve stem end lightly to position the valve stem keys on their seats inside the spring cap. Replace the j 22794. Then reinstall the spark plugs and valve Rocker Arm set followed by the valve Rocker Arm cover.