Operation CHARM: Car repair manuals for everyone.

Cylinder Head

Cylinder Head








Install cylinder head follow the steps below to tighten cylinder head bolts in numerical order as shown.

CAUTION: If cylinder head bolts re-used, check their outer diameters before installation. Refer to EM-94, "Cylinder Head Bolts Outer Diameter".

Step a 98 Nm (10 kg-m, 72 ft-lb)
Step b Loosen to 0 Nm in the reverse order of tightening.
Step c 39.2 Nm (4.0 kg-m, 29 ft-lb)
Step d 90° clockwise
Step e 90° clockwise





After installing cylinder head, measure distance between front end faces of cylinder block and cylinder head (left and right banks).
Standard 14.1 - 14.9 mm (0.555 - 0.587 in)
If the measured value is out of the standard, re-install cylinder head.

Cylinder Head Bolts Outer Diameter





^ Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between "d1" and "d2" exceeds the limit, replace them with new one.
Limit ("d1" - "d2") 0.11 mm (0.0043 in)
^ If reduction of outer diameter appears in a position other than "d2", use it as "d2" point.