W 250 Pickup L6-359 5.9L DSL (1989)
Fig. 33 Cylinder Head Tightening Sequence
d.
On 1989-90 models, torque 12 mm bolt 93 ft. lbs. and in sequence shown in Fig. 33. Torque 8 mm bolt to 18 ft. lbs.
Fig. 36 Rocker Lever Tightening Sequence
e.
On 1991-92 models, torque 12 mm bolt in sequence shown in Fig. 36, in three stages: step one, 66 ft. lbs.; step two, 89 ft. lbs; step three,
turn head bolts an additional 90°. Torque 8 mm bolt to 18 ft. lbs.
f.
On all models, adjust valve clearance.
