Tools Required
• J 26999-10 Compression Gauge Adapter
• J 26999-30 Compression Gauge Adapter
• J 38606 Valve Spring Compressor
Important: The air pressure should remain applied to the cylinder being serviced until after the repair has been completed .
1. Apply a small amount of clean engine oil to the valve stem and to the new valve stem oil seal.
2. Install the valve stem oil seal to the valve stem.
3. Install the valve spring, cap, rotator and shield.
4. Use the J 38606 to compress the valve spring.
5. Install valve spring assembly to the cylinder head.
6. Install the valve keys in the retainer.
• Apply a small amount of grease on the valve stem end. This will help to hold the valve keys in place.
• Carefully release the valve spring pressure.
Make sure the valve key are properly seated in the cap.
• Remove the J 38606 from the valve spring.
7. Slowly release the compressed air from the cylinder being serviced.
8. Remove the J 26999-10 when working on the left side of the engine and J 26999-30 for the right side of the engine.
9. Install the glow plug (s) to the cylinder head(s).
• If servicing the left cylinder head, refer to Glow Plug Replacement – Left Side in Engine Controls— 6.5L.
• If servicing the right cylinder head, refer to Glow Plug Replacement – Right Side in Engine Controls— 6.5L .
Important: All the valve train components must be reassembled in the exact order and position from which they were removed.
10. Install the valve rocker arm covers to the cylinder head. Refer to Valve Rocker Arm Cover Replacement.
11. Connect both the battery negative cables to the batteries. Refer to Battery Cable in Engine Electrical.