>> D << Cylinder Head Bolt Installation

WARNING: This page is about a different car, the 2003 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

When the removed cylinder head bolts are to be reused, check that the shank length of each bolt meets the limit. If it exceeds the limit, replace the bolts.
1. Limit: 99.4 mm (3.91 inches)
Fig 1: Identifying Cylinder Head Bolt Shank Length
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Apply engine oil to the thread of the bolts and to the washers.
Using special tool MB991654 tighten the bolts to the specified torque 78 N.m (58 ft-lb), using the tightening sequence shown.
Loosen all bolts fully in the reverse order of tightening.
Retighten the loosened bolts to 20 N.m (14 ft-lb) in the tightening sequence shown.

Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Make a paint mark across each bolt head and cylinder head.

CAUTION:

If the bolts is turned less than 90 degree angle, proper fastening performance may not be achieved. Be careful to turn each bolt exactly 90 degree angle.
If the bolt is overtightened, loosen the bolt completely and then retighten it by repeating the tightening procedure from step 1.

Tighten the cylinder head bolts 90 degree angle in the specified order.
Tighten the bolts another 90 degree angle in the same order as in step 7, and check that the paint marks on the cylinder head bolt are aligned with the paint marks on the cylinder head.

Fig 3: Identifying Paint Mark On Bolt Head And Cylinder Head And Tightening Radius
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.