Tightening torques for engine components and parts 602.984/985 (Mercedes-Benz Vario 814)

Tightening torques for engine components and parts 602.984/985

Fastening elements		Tightening torques (Nm)
Pressure line to the power steering pump		40
Mixing chamber bolts to intake manifold		9
Radiator drain plug for cooling system		3
Bracket to engine support		68
Rear engine mount to gearbox		68
Rear Engine Mount to Bracket		38
clutch slave cylinder bolt to clutch housing		23
Gear shift lever bolt to gearbox		63
Cardan shaft	M10x1	62
	M12x1.5	100 (except models 667)
Intake manifold to cylinder head mounting bolt		15
Turbocharger to exhaust manifold mounting nut		25
Exhaust manifold to cylinder head	Primary tightening	21
	Installation time, min	＞5
	Final tightening	23
Cylinder head cover to cylinder head fastening bolt		10
Timing chain cover to cylinder head		23
Timing chain cover to cylinder block mounting bolt M6		9
Bolt securing the oil pan to the cylinder block	M6	9
	M8	23
Bolt for fastening the intermediate flange to the cylinder block		23
Generator bracket to cylinder block mounting bolt		23
Timing chain tensioner to cylinder head		80
Shock absorber to cylinder head		23
Oil level indicator guide pipe mounting bolt		9
Fuel lines to injectors and injection pumps		18
Bolts for fastening the cylinder head to the cylinder block M10	Stage 1	10
	Stage 2	35
	Stage 3	90°
	Stage 4	90°
Connecting rod bolts		42 + 90°
Flywheel to crankshaft		45-50 + 90-100°
Crankshaft Main Bearing Cap Bolts		55 + 90°
Pallet bolts	M6	9
	M8	23
Oil pump pulley		32
Oil pump to cylinder block		25
Oil filter housing to cylinder block		25
Oil cooler to oil filter housing		10
Turbocharger to exhaust manifold mounting nuts		25
Starter to cylinder block		45
Generator mounting bolt to bracket		45