Valve Stem Oil Seal and Valve Spring Replacement DOHC

Tools Required
• SA9102E-A Valve Seal Remover/Replacer
• SA9124E-10 Valve Spring Compressor Brackets
• SA9127E Gage Bar Set

Removal Procedure

1. Remove spark plugs, cam cover and camshaft. Refer to Camshaft Replacement .
2. Install the SA9124E-10 angle supports. Use the four M6 x 25 mm bolts provided and mount the supports to the inside cam bearing cap threaded holes, with the notched side of the supports toward the spark plug holes.
Tighten

Tighten the bolts 10 N·m (89 lbs in).





3. While sliding rod through supports, install the compressor lever arm assembly.
4. Install spark plug adapter from the SA9127E in the respective cylinder.

Notice

The engine must have the No. 1 cylinder piston at top dead center (TDC) when removing and installing camshafts or the timing chain, gears and chain guides will be damaged when air pressure is put into the cylinder to hold the valves closed.

5. With the piston at TDC, pressurize each cylinder to 690 kPa (100 psi).

Important

Tap end of compressor lever with a plastic mallet while applying a slight amount of pressure to the breaker bar.

6. Position lever assembly over valve spring to be removed and use 1/2 in. breaker bar to compress the spring.
7. Remove valve spring cap, retainers and release spring tension.




8. Remove cap and spring.
9. Remove valve stem seal using the SA9102E-A .

Installation Procedure

Important

Before each valve stem seal is installed, oil the valve stem seal and guide. If a valve stem seal is removed, it must be discarded.

1. Inspect valve stem for scratches, scores, and scuffs. Spray the valve stem and guide with clean lubricating oil to remove any debris that may be present on the valve stem or top of guide.

Notice

If a valve seal is removed after it has been installed, it must be discarded. The valve stem lock groove will cut the seal's lip during removal. Use extreme care when installing valve retainers and do not damage the valve stems.

2. Oil valve guide and valve stem. Install valve stem oil seal with the SA9102E-A .




3. Install valve spring and cap.
4. Compress valve spring and install retainers.
5. Install hydraulic Lash adjusters in their correct locations.
6. Remove SA9124E-10 assembly and spark plug adapter.
7. Refer to Camshaft Replacement for installation of camshafts, cam cover, spark plugs and wires.