C15 and C18 On-Highway Engines Inlet and Exhaust Valves - Remove and Install Caterpillar


Inlet and Exhaust Valves - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
5S-1330  Valve Spring Compressor 
8S-2263  Spring Tester 

Start By:

  1. Remove the cylinder head.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01015263

    ------ WARNING! ------

    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.


  1. Install Tooling (A) and compress the valve springs. Remove valve spring keepers (2) from valve (1).

  2. Carefully remove Tooling (A) from valve (1).

  3. Remove valve rotator (3).

  4. Remove outer valve spring (5) and inner valve spring (4) from valve (1).

  5. Remove washer (6) and valve (1) from the valve guide.

  6. Use Tooling (B) to check the valve springs (spring force). Refer to Specifications, "Cylinder Head Valves" for additional information on the valve springs.

  7. Inspect the valves. Refer to Specifications, "Cylinder Head Valves" for additional information on the inlet and exhaust valves.

Installation Procedure

    ------ WARNING! ------

    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.


    ------ WARNING! ------

    The valve spring keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve spring keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve spring keepers and valve springs during the installation of the valves.


  1. Install the inlet and exhaust valves in the reverse order of removal.

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