Engine - Tightening Torques - Cooper (N12 Engine): Other

Engine - Tightening Torques - Cooper (N12 Engine): Other MINI Cooper I

11 11 Engine block

	Type	Thread	Tightening specification	Measure
1AZ Main bearing screws, observe tightening specification.	N12	M9x115	Replace screws
			Jointing torque	30 Nm
			Torque angle	150 °
2AZ Bedplate, observe tightening specification.	N12	M6	Replace screws
			Jointing torque	9 Nm
3AZ Screw plug, timing case upper section	N12	M22x1.5		50 Nm
4AZ Screw plug, timing case lower section	N12	M16x1.5	Replace seal	30 Nm
5AZ Oil baffle to crankcase lower section	N12	M6x100		10 Nm
6AZ Screw plug, timing case lower section	N12	M16x1.5	Replace seal	30 Nm
7AZ Screw plug, timing case lower section	N12	M16x1.5	Replace seal	30 Nm

ENGINE BLOCK TIGHTENING TORQUES

11 12 Cylinder Head with Cover

	Type	Thread	Tightening specification	Measure
1AZ Cylinder head bolts	N12		8x95 Replace screws
			Jointing torque	15 Nm
			1st angle of rotation	90 °
			2. Angle of rotation	90 °
2AZ Cylinder head bolts	N12	M10x145	Replace screws
			Jointing torque	30 Nm
			1st angle of rotation	90 °
			2. Angle of rotation	90 °
3AZ Cylinder head bolts	N12	M8x35	Replace screws	30 Nm
4AZ Cylinder head cover to cylinder head	N12	M6x30		10 Nm
5AZ Ground cable to cylinder head cover	N12	M5		10 Nm
6AZ Bearing block of eccentric shaft to cylinder head	N12	M6x40 M6x70		10 Nm
7AZ Inlet camshaft bearing cap to bearing block	N12	M6x30.5		10 Nm
8AZ Exhaust camshaft bearing cap to cylinder head	N12	M6x40		10 Nm
9AZ Lifting lug to cylinder head	N12	M8x20 M8x25		20 Nm
10AZ VVT sensor to cylinder head	N12	M6x40		10 Nm
11AZ Acoustic cover to cylinder head cover	N12	M6x40		8.5 Nm

CYLINDER HEAD WITH COVER TIGHTENING TORQUES

11 13 Oil Pan

	Type	Thread	Tightening specification	Measure
1AZ Oil drain plug	N12	M18 x 1.5	Replace seal	30 Nm
2AZ Oil sump to crankcase	N12	M6x16		12 Nm

OIL PAN TIGHTENING TORQUES

11 21 Crankshaft and Bearings

	Type	Thread	Tightening specification	Measure
1AZ Torsion damper (hub) to crankshaft (central bolt)	N12	M14 x1.5 x74	Replace screws Lightly oil screws and threads
			Jointing torque	50 Nm
			Torque angle	100 °

CRANKSHAFT AND BEARINGS TIGHTENING TORQUES

11 22 Flywheel

	Type	Thread	Tightening specification	Measure
1AZ Flywheel to crankshaft (automatic transmission)	N12	M9x1.25	Replace screws
			1. Jointing torque	8 Nm
			2. Jointing torque	30 Nm
			3. Final tightening	90 °
2AZ DM flywheel to crankshaft (manual transmission)	N12	M9x1.25	Replace T55 screw
			1. Jointing torque	8 Nm
			2. Jointing torque	30 Nm
			3. Final tightening	90 °

FLYWHEEL TIGHTENING TORQUES

11 24 Connecting Rods and Bearings

	Type	Thread	Tightening specification	Measure
1AZ Connecting rod bolts	N12	M7x37	Replace, wash and oil screws
			1. Jointing torque	5 Nm
			2. Jointing torque	10 Nm
			3. Angle of rotation	130 °

CONNECTING RODS AND BEARINGS TIGHTENING TORQUES

11 28 V-ribbed belt with Tension and Deflection Element

	Type	Thread	Tightening specification	Measure
1AZ Belt tensioner to alternator	N12	M8x110		20 Nm
2AZ Friction gear to crankcase	N12	M6x20		8

V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT TIGHTENING TORQUES

11 31 Camshaft

	Type	Thread	Tightening specification	Measure
1AZ Guide rail, crankcase	N12	M8x1.25	Replace sealing ring	24 Nm
2AZ Guide rail to cylinder head	N12	M8	Replace sealing ring	20 Nm
3AZ Line to cylinder head	N12	M6x20		8 Nm
4AZ Chain tensioner to cylinder head	N12	M22 x 1.5	Replace sealing ring	65 Nm

CAMSHAFT TIGHTENING TORQUES

11 36 Variable Camshaft Control

	Type	Thread	Tightening specification	Measure
1AZ VANOS to inlet and exhaust camshafts	N12	M10x52	Replace screw
			Jointing torque	20 Nm
			Torque angle	180 °
2AZ Non-return valve VANOS to cylinder head	N12	M14 x 1.5	Replace sealing ring	13 Nm
3AZ Solenoid valve holder to crankcase	N12	M6x16		9 Nm

VARIABLE CAMSHAFT CONTROL TIGHTENING TORQUES

11 37 Variable valve gear

	Type	Thread	Measure
1AZ Fitting screw for guide block to cylinder head	N12	M6x35	10 Nm
2AZ Gate to cylinder head	N12	M6x28	10 Nm
3AZ Return spring to cylinder head	N12	M6x20	10 Nm
4AZ Electric servodrive to cylinder head	N12	M6x16	8.5 Nm
5AZ Sensor wheel (magnet sensor) to camshaft	N12	M6x20	8 Nm
6AZ Eccentric shaft sensor to cylinder head	N12	M6x12	10 Nm

VARIABLE VALVE GEAR TIGHTENING TORQUES

11 41 Oil Pump with Strainer and Drive

	Type	Thread	Tightening specification	Measure
1AZ Oil pump to bedplate	N12	M8x28		25 Nm
2AZ Sprocket to oil pump	N12	M8x35	Replace screw
			Jointing torque	5 Nm
			Torque angle	90 °

OIL PUMP WITH STRAINER AND DRIVE TIGHTENING TORQUES

11 42 Oil Filter and Pipes

	Type	Thread	Tightening specification	Measure
1AZ Oil filter cap to oil filter housing	N12		Replace sealing ring	25 Nm
2AZ Oil filter housing to cylinder head	N12	M6x100	Replace seal	10 Nm

OIL FILTER AND PIPES TIGHTENING TORQUES

11 43 Oil dipstick

	Type	Thread	Tightening specification	Measure
1AZ Oil dipstick to cylinder head	N12			9 Nm

OIL DIPSTICK TIGHTENING TORQUES

11 51 Water Pump and Drive

	Type	Thread	Tightening specification	Measure
1AZ Water pump to crankcase	N12	M6x30	Replace seal	9 Nm
2AZ Water pump gear to water pump	N12	M6x12		8 Nm

WATER PUMP AND DRIVE TIGHTENING TORQUES

11 53 Thermostat and Connections

	Type	Thread	Tightening specification	Measure
1AZ Thermostat housing to cylinder head	N12	M6		8 Nm
2AZ Vapour separator to crankcase	N12	M6x100		8 Nm

THERMOSTAT AND CONNECTIONS TIGHTENING TORQUES

11 61 Intake manifold

	Type	Thread	Tightening specification	Measure
1AZ Intake manifold to cylinder head	N12	M8x125		15 Nm
	N12	AM7	Hexagon nut	20 Nm
2AZ Bracket to crankcase	N12	M8		20 Nm

INTAKE MANIFOLD TIGHTENING TORQUES

11 62 Exhaust manifold

	Type	Thread	Tightening specification	Measure
1AZ Exhaust manifold to cylinder head	N12	M8x46	Replace nuts	25 Nm
2AZ Support to exhaust manifold and engine block	N12	M8 x 46 10.9		15 Nm

EXHAUST MANIFOLD TIGHTENING TORQUES

11 65 Turbocharger and control

	Type	Thread	Measure
1AZ Turbocharger to exhaust manifold	N14	M8 nut - 10.9	20 Nm
2AZ Stud to turbocharger	N14	M8 x 125	15 Nm
3AZ Bracket to turbocharger	N14	M8	25 ± 6 Nm
4AZ Oil feed to turbocharger	N14	Banjo bolt M12 x 1.5	30 Nm
5AZ Oil return to turbocharger	N14	M6 x 100	8 Nm
6AZ Bracket to crankcase	N14	M8 x 125	19 Nm
7AZ Front heat shield to rear heat shield	N12, N14	M6 x 100	4 Nm
8AZ Coolant inlet and outlet lines to turbocharger	N14	M14 x 1.5 banjo bolt	35 Nm

TURBOCHARGER AND CONTROL TIGHTENING TORQUES

11 66 Vacuum pump

	Type	Thread	Tightening specification	Measure
1AZ Vacuum pump on cylinder head	N12	M6		10 Nm

VACUUM PUMP TIGHTENING TORQUES

11 78 Emissions control, control sensor / monitor sensor

	Type	Thread	Tightening specification	Measure
1AZ Control sensor LSU 4.9 / monitor sensor LSF 4.2 / NRS FLO	N12	M18		50 Nm
2AZ Bracket, oxygen sensors, and control sensor bracket	N12	M6x12		8 Nm

EMISSIONS CONTROL, CONTROL SENSOR / MONITOR SENSOR TIGHTENING TORQUE