Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 9U-6195 | Valve Spring Compressor | 1 |
Start By:
- Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
Note: Before you begin the removal of the valve springs, refer to Testing and Adjusting, RENR2416, "Valve Depth - Inspect" for appropriate information on the valve springs.
- Ensure that the piston is at the top center position.
Note: If the rocker arm assembly has been removed, use the following procedure in order to find the top center position. Go to Step 2 if the rocker arm assembly is installed.
- Install Tooling (A).
- Compress the valve springs in order to open the valve.
- Turn the crankshaft until the piston touches the valve.
- Continue to turn the crankshaft and release the pressure of Tooling (A) until the piston is at the top center position.
Show/hide tableNOTICE Do not turn the crankshaft while the valve springs are removed.
Show/hide tableIllustration 1 g00762206 Show/hide tablePersonal 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.
Show/hide tableIllustration 2 g00762210 - Install Tooling (A).
- Compress valve springs (1). Remove valve keepers (2).
Show/hide table
NOTICE Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.
- Release the pressure on Tooling (A). Remove valve spring retainer (3) and valve springs (1).
Note: If you are replacing all of the valve springs, the procedure can be done on two cylinders at the same time. The procedure can be done on cylinder 1 and cylinder 6, on cylinder 2 and cylinder 5, and on cylinder 3 and cylinder 4.
NOTICE |
---|
Do not turn the crankshaft while the valve springs are removed. |
Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 9U-6195 | Valve Spring Compressor | 1 |
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Place the new valve springs into position.
Note: Ensure that the closed damper coils are toward the cylinder head if double valve springs are used.
Show/hide tableIllustration 3 g00762210 Show/hide tableImproper assembly of parts that are spring loaded can cause bodily injury.
To prevent possible injury, follow the established assembly procedure and wear protective equipment.
- Install valve spring retainer (3).
- Install Tooling (A). Compress valve springs (1).
Show/hide table
NOTICE Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.
- Install valve keepers (2).
- Release the pressure slowly on Tooling (A). Remove Tooling (A).
Note: If you are replacing all of the valve springs the procedure can be done on two cylinders at the same time. The procedure can be done on cylinder 1 and cylinder 6, on cylinder 2 and cylinder 5, and on cylinder 3 and cylinder 4.
End By:
- Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".