- Engine 169V up to number 012625
- 170V motor up to number 021874
- 170V engine with number 021875
first pass - 50 nm
second pass - loosen
third pass - 20 nm
fourth pass - tightening at an angle of 90°
- Engine 169 V with number 0126261
- 170V engine with number 031999
- Engine 170 C
first pass - 50 nm
second pass - loosen
third pass - 20 nm
fourth pass - tightening at an angle of 180°
Tightening the bolts - see text
169V, 170V and 170C engines produced from April 1989 with Torx cylinder head bolts
first pass - 60 nm
second pass - loosen
third pass - 20 nm
fourth pass - tightening at an angle of 300°
See tightening bolts. text
Types of cylinder head bolts:
- before July 1985 - 12x144 mm, 19 mm hex head
- before April 1989 - 11x150x181 mm, 16 mm hex head
- since April 1989 - 11x150x175 mm, Torx bolt head No. 55
Camshaft timing belt pulley mounting bolts - 22.5 Nm
Rocker arm bolts - 15 Nm
Bearing shield, timing drive side - 10 Nm
Camshaft retaining plate - 17 Nm
Water pump mounting on the cylinder head:
- 10 mm bolts - 27.5 Nm
- 8 mm bolts - 22.5 Nm
- 10 mm nuts - 42.5 Nm
Oil filter base - 13 Nm
Oil pressure switch - 40 Nm
Main bearing cap bolts - 75 Nm
Connecting rod bearing bolts - 40 Nm
Flywheel mounting bolts - 68 Nm
Clutch mounting bolts - 15 Nm
Crankshaft pulley - 170 Nm
Oil pump - 10 Nm
Crankshaft counterweights - 68 Nm