Engine
Marine/Industrial 4.3L 6-99
2000 Marine/Industrial
480554
480555
480555
Cylinder Head Disassemble
Tools Required
J 8062 Valve Spring Compressor
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.
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
1. Use the J 8062 in order to compress the valve springs.
Important: Mark, sort and organize the components so that the
components can be reinstalled in their original location and
position.
2. Remove the valve stem keys (1).
3. Remove the J 8062 from the cylinder head.
4. Remove the valve spring cap (2).
5. Remove the valve spring (3).
6. Remove the valve stem oil seal (4).
7. Discard the valve stem oil seal.
8. Remove the valve.
Cylinder Head Clean and Inspect
Tools Required
J 8001 Dial Indicator Set
J 8089 Carbon Removing Brush
J 9666 Valve Spring Tester
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
1. Clean the valve stems and cylinder heads on a buffing
wheel.
2. Clean the following components in cleaning solvent:
• Valve stem keys (1)
• Valve spring cap (2)
• Valve spring (3)
• Cylinder head
Summary of Contents for Powertrain 4.3 L
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