To the top of the document
Orlando
   
GMDE Start Page Load static TOC Load dynamic TOC Help?

Cylinder Head Assemble

Special Tools

    • EN-46569 Valve Spring Compressor
    • EN-48247 Adaptor - Valve Spring Compression
    • EN-46116 Installer - Stem Seal

For equivalent regional tools, refer to Special Tools .


    2501406
  1. Install 16 NEW valve stem oil seals, using the EN-46116 installer - stem seal (1).

  2. 2501404
  3. Install the valve (4).
  4. Install the valve spring (3).
  5. Install the valve spring retainer (2).

  6. 2501403

    Note: The EN-48247 adaptor (2) must be aligned vertically to the valve spring caps.

  7. Install the EN-46569 compressor (1) with the EN-48247 compression adaptor (2) to install the valve assembly.
  8. Tension the valve spring.
  9. Install both valve stem keys.
  10. Release tension from the valve spring. Remove the EN-46569 compressor (1) with EN-48247 compression adaptor (2).
  11. Check correct seat of the valve stem keys.
  12. Repeat the steps for each other valve assembly.

  13. 2501402
  14. Install the 16 valve rocker arms (1) along with the 16 hydraulic valve clearance adjusters (2).
   


© Copyright Chevrolet. All rights reserved