Tightening Torques For Engine - Cylinder Head, Valve Drive

WM 1570TW Tightening torques for engine - cylinder head, valve drive

Information
Tightening torques for cylinder head, valve drive

Cylinder head

Tightening sequence for cylinder head nuts

Camshaft housing

Tightening sequence for camshaft housing

1) a/f = wrench size (width across flats)

Camshaft housing bolts M8 x 50

Initial tightening 23 Nm (17 ftlb.)
Final tightening 28 Nm (21 ftlb.)

Camshaft bearing cap Torx(R) screws (M6 x 30) 13 Nm (9.5 ftlb.)

Guide rail Torx(R) screws (M6 x 25) 13 Nm (9.5 ftlb.)
Observe the marking -R- or -L-

Cover for camshaft housing 10 Nm (7.5 ftlb.)
Tighten all screws -1- in diagonally opposite sequence from the
inside out.