Vanden Plas L6-4.0L (1990)
29.
On engines with numbers below 9L103934 (XJS Range) or 9J103935 (Sedan Range) only, remove the damper saddle retaining bolts, Illustration
4. Thoroughly degrease the bolts and the saddle. Apply Loctite 545, part number 54531 to the bolt threads and torque to 15.8 - 21 lb ft (21.5 - 28.5
Nm). Install the damper saddle using new cylinder head bolts and torque to 43.5 - 44.9 lb ft (59 - 61 Nm) plus 90 degrees as described in section
2.1 of the AJ16 Engine Service Manual.
NOTE:
Engines starting with 9L103934 (XJS Range) or 9J103935 (Sedan Range) do not require modification since the damper saddles are equipped
with self locking bolts.
30.
Reset the spark plug gaps to 0.038 inch (0.97 mm) and reinstall the spark plugs.
31.
Install the camshaft cover using a new seal and new spark plug boss seals.
32.
Install the on-plug coils using new gaskets. Install the coil cover using a new seal.
33.
Place two punch marks approximately 1/4 inch apart on the timing cover parallel to the lip, Illustration 5, to indicate that the modification was
done.
