Inlet and Exhaust Valve Seals
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 459-4664 | Valve Spring Compressor | 1 |
Start By:
- Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
- Install Tooling (A) into the hole for the electronic unit injector. Refer to Illustration 2. Refer to the Tool Operating Manual, NEHS1205.
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Illustration 3 g01851274 Show/hide table
Personal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to release the spring force.
- Install the plate of Tooling (A) onto the valve springs. Refer to Illustration 3. Install the nut onto the stud. Tighten the nut to compress valve springs (2). Remove retainer locks (1).
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Illustration 4 g02853999 - Remove Tooling (A). Remove rotocoil (3), outer spring (4), and inner spring (5). Remove valve seal (6).
- Repeat Steps 1 through 3 for the remaining valve seals.
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| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
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| Illustration 1 | g01206603 |
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| Illustration 2 | g01207146 |
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 333-0758 | Valve Spring Compressor | 1 |
- Install a new valve seal (6). Install inner spring (5), outer spring (4), and rotocoil (3).
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Illustration 6 g01206603 Show/hide table
Illustration 7 g01228542 Show/hide table
Illustration 8 g01851274 - Use Tooling (A) to compress valve springs (2). Install retainer locks (1). Release the tension on valve springs (2). Remove Tooling (A).
- Repeat Steps 1 through 2 for the remaining valve seals.
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| Illustration 5 | g02953336 |
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Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. |
End By:
- Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
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