Operation CHARM: Car repair manuals for everyone.

Cylinder Head Torque & Sequence

Tightening diagram of cylinder head bolts

Tightening Torque Specifications:






Slacken cylinder head bolts only once engine has cooled down.
Slackening cylinder head bolts = in reverse order of tightening diagram.
Tightening cylinder head bolts = in order of tightening diagram


Engine 601 Bolt assignment






Bore Bolt size
3, 5, 11, 13 M 10 x 80
2, 4, 6, 8, 10, 12, 14, 16, 18 M 10 x 102
1, 7, 9, 15, 17 M 10 x 115
a (chain housing area) M 8 x 30
b (fuel filter) M 8 x 80

Engine 602 Bolt assignment






Bore Bolt size
3, 5, 11, 13, 19 M 10 x 80
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 M 10 x 1O2
1, 7, 9, 15, 17, 21 M 10 x 115
a (chain housing area) M 8 x 30 or M 8 x 50
b (fuel filter) M 8 x 80

Engine 603 Bolt assignment






Bore Bolt size
3, 5, 11, 13, 19, 21 M 10 x 80
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26 M 10 x 102
1, 7, 9, 15, 17, 21, 23, 25 M 10 x 115
a (chain housing area) M 8 x 30 or M 8 x 50
b (fuel filter) M 8 x 80