Cylinder Head Assembly

ENGINE GENERAL SPECIFICATIONS

Footnote:
a Head Gasket Surface - WT = 12/2.5.
Head Gasket Surface Finish - RZU - 13.5 micron.
Filter cut off at 0.08 min TPI @ 3.5 microns below the peak 63% min. Cut off at 0.08 mm (0.031496 in), O Ref = 2V

TIGHTENING SPECIFICATIONS

LH Cylinder Head

CAUTION: Always use new bolts.

Note: Lubricate the bolts with Super Premium SAE 5W-30 Motor Oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G prior to installation.

Install the new bolts. Refer to the location note made during removal and make sure the bolts are installed in the correct location.
1 Install new long bolts.
2 Install new short bolts.

Tighten the bolts in the sequence shown in three stages.
- Stage 1: Tighten to 20 Nm (14 ft. lbs.).
- Stage 2: Tighten to 40 Nm (29 ft. lbs.).
- Stage 3: Tighten to 50 Nm (36 ft. lbs.).

CAUTION: Do not loosen all of the bolts at one time. Each bolt must be loosened and tightened prior to working on the next bolt in the sequence.

NOTE: The short bolts are numbered 2, 4, 6 and 8 and the long bolts are numbered 1, 3, 5 and 7.

Loosen, then tighten the bolts in the sequence shown:
- Tighten short bolts to 25 Nm (18 ft. lbs.), then tighten an additional 180 degrees.
- Tighten long bolts to 45 Nm (33 ft. lbs.), then tighten an additional 180 degrees.

RH Cylinder Head

Tighten the bolts in the sequence shown in three stages.
- Stage 1: Tighten to 20 Nm (14 ft. lbs.).
- Stage 2: Tighten to 40 Nm (29 ft. lbs.).
- Stage 3: Tighten to 50 Nm (36 ft. lbs.).