6A1 – 20 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
VALVESTEM OIL CONTROLLER & VALVE SPRING
REMOVAL
Preparation:
• Disconnect battery ground cable.
1. Cylinder Head Cover
2. Rocker Arm Shaft Assembly
• Loosen bolts and nuts of rocker shaft
• Bracket by turns and removal rocker shaft assembly.
3. Valve Spring
• Apply compressed air to cylinder from the glow plug
hole hold the valve in place.
• Using special tool, compress valve spring and removal
split collar.
Valve spring compressor: 9-8523-1423-0 (J-29760)
CAUTION
• Put removed valve springs in the order of cylinder
number.
6A1-20-1.tif
6A1-20-2.tif
Removal steps
1. Cylinder head cover
2. Rocker arm shaft Assembly
3. Valve spring
4. Valve guide oil seal
Installation steps
To install, follow the removal
steps in the reverse order.
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