1. Lubricate tappets.
CAUTION: S.7L engines equipped with MDS uses both standard roller tappets and deactivating roller tappets, for use with the Multi Displacement System. The deactivating roller tappets must be used In cylinders
1,4,6,7. The deactivating tappets can be identified by the two holes in the side of the tappet body, for the
latching pins.
2. Install tappets in their original positions.
3. Install tappet retainer (1). Install the tappet retainer bolt and tighten to 12 N·m (106 in. Ibs.).
4. Install cylinder head (Refer to 9 – ENGINE/CYLINDER HEAD – INSTALLATION).
5. Install push rods and rocker arm assembly (Refer to 9 – ENGINE/CYLINDER HEAD/ROCKER ARM /ADJUSTER
ASSY – INSTALLATION).
6. Install cylinder head cover (Refer to 9 – ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) – INSTALLATION).
7. Install intake manifold (Refer to 9 – ENGINE/MAN/FOLDS/INTAKE MANIFOLD – INSTALLATION).
8. Install the air cleaner (3) (Refer to 9 – ENGINE/AIR INTAKE SYSTEM/AIR CLEANER HOUSING INSTALLATION).
9. Connect the negative cable to the battery.
CAUTION: To prevent damage to valve mechanism, engine must not be run above fast Idle until all hydraulic tappets have filled with oil and have become quiet.
10. Road test vehicle and check for leaks.
