Rodeo LS 4WD V6-3.2L (1998)
7. Check that the valve seat insert surface is in contact with the entire circumference of the valve.
Valve Seat Insert Replacement
1. Arc weld the rod at several points. Be careful not to damage the aluminum section.
2. Allow the rod to cool for a few minutes. This will cause the valve seat to shrink.
3. Strike the rod and cull it out.
4. Carefully clean the valve seat press-fit section on the cylinder head side.
5. Heat the press-fit section with steam or some other means to cause expansion. Cool the valve seat with dry ice or some other means.
6. Insert the press-fit section into the valve seat horizontally.
Standard fitting interference: 0.14 mm - 0.09 mm (0.0055 inch - 0.0035 inch)
7. After insertion, use a seat grinder to grind finish the seating face. Carefully note the seating angle, the contact width, and the depression.
8. Lap the valve and the seat.
REASSEMBLY
1. Install valve guide (1) to cylinder head. Apply engine oil to the outside of the valve guide. Using valve guide replacer J-42899, drive in a new
valve guide from the camshaft side.
2. Install oil controller (3) and spring lower seat (2). Using oil controller replacer J-37281, drive in a new oil controller.
3. Install valve to valve guide. Before install valve guide apply engine oil to the outside of the valve stem.
