Cylinder Head Disassemble
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
J 8062 Valve Spring Compressor - Head Off
- Use J 8062 in order to compress the valve springs.
- Remove the valve stem keys (220).
- Release and remove J 8062 .
- Remove the cap (219).
- Remove the valve spring (218).
- Remove the valve stem oil seal (217) from the valve guide.
- Remove the valve rotator (216).
- Remove the valve (232).
- Disconnect the engine coolant temperature (ECT) sensor from the bracket.
- Remove the ECT sensor from the cylinder head.
- Remove the ECT sensor bracket and bolt.
- Remove the cylinder head coolant hole plug from the cylinder head.
CAUTION:
Refer to Safety Glasses Caution
in Cautions and Notices.
CAUTION:
Compressed valve springs have high tension against the valve spring compressor. Valve springs that are not properly compressed by or released from the valve spring compressor can be ejected from the valve spring compressor with intense force. Use care when compressing or releasing the valve spring with the valve spring compressor and when removing or installing the valve stem keys. Failing to use care may cause personal injury.
IMPORTANT:
Mark, sort, or organize components for return to their original locations.
IMPORTANT:
In order to prevent damage to the valve guide, small burrs on the valve tip and at the stem key groove that interfere with the valve removal can be lightly filed with a fine file or stone to facilitate valve removal.