Cylinder Head Disassemble
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 .
- Remove the 16 valve rocker arms (1) along with 16 hydraulic valve clearance adjusters (2).
Note: The EN-48247 adaptor (2) must be aligned vertically to the valve spring caps.
- Install the EN-46569 compressor (1) with the EN-48247 compression adaptor (2) to remove the valve assembly.
- Press down the valve spring (3) and the valve spring cap (2) with the EN-46569 compressor and the EN-48247 compression adaptor until the valve keys (1) are released from the spring load.
Note: Set the parts aside in order removed to ensure they will be installed in their original positions.
- Remove the valve stem keys (1).
- Release tension from the valve spring. Remove the EN-46569 compressor with EN-48247 compression adaptor .
- Remove the valve spring retainer (2).
- Remove the valve spring.
- Remove the valve (4).
- Repeat the steps for each other valve assembly.
Note: Set the oil stem seals aside in order removed to ensure they will be installed in their original positions.
- Remove the 16 valve stem oil seals, using the EN-46116 installer - stem seal (1).
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© Copyright Chevrolet. All rights reserved |