|
Pistons / Crank |
|
|
|
Piston conrod bolts (2x per piston) |
All 450, 451 & 452 engines |
15Nm + 90° |
|
Piston conrod bolts (2x per piston) |
CDI |
5Nm + 25Nm + 180° |
|
Lower crankcase bolts (8x M8) |
All 450 & 452 |
21Nm + 90° |
|
Lower crankcase bolts (8x M8) |
CDI |
55Nm + 90° |
|
Lower crankcase bolts (M6) |
All 450 & 452 |
9.5Nm |
|
Oil Pump System |
|
|
|
Oil pump sprocket |
All 450 & 452 |
20Nm |
Oil pump bolts (3x) - Initial Torque
Oil pump bolts (3x) - Final Torque |
All 450 & 452 |
14Nm
9.5Nm |
Oil pick up pipe bolts (3x) - Initial Torque
Oil pick up pipe bolts (3x) - Final Torque |
All 450 & 452 |
12Nm
9.5Nm |
|
Oil baffle bolts |
All 451 |
24Nm |
|
Oil filter body bolts - blind hole |
All 450 & 452 |
12Nm |
|
Oil filter body bolts - clearance hole |
All 450 & 452 |
9.5Nm |
|
Oil filter case |
All 450 & 452 |
23Nm |
Oil cooler water line to crankcase - initial torque
Oil cooler water line to crankcase - retightening torque |
450 Brabus (55kW) & 452 |
12Nm
9.5Nm |
|
Engine Timing |
|
|
|
Timing chain hydraulic tensioner bolts (2x) |
All 450 & 452 + 450 CDI |
12Nm |
|
Timing case oil duct bolt (1x) |
All 450 & 452 |
30Nm |
Timing case bolts - Initial Torque
Timing case bolts - Final Torque |
All 450 & 452 |
12Nm
9.5Nm |
|
Timing case bolts M6 |
All 451 |
10Nm |
|
Timing case bolts M8 |
All 451 |
23Nm |
|
Bolt connecting end of crank sealing ring to crankcase |
All 451 |
10Nm |
|
Timing case plug |
All 451 |
50Nm |
|
Drive Plates / Pulleys |
|
|
|
Belt pulley bolt into crankshaft (1x) |
All 450 & 452 + CDI |
140Nm + 90° |
|
Bolt holding drive plate to other end of crankshaft |
450 599cc engines only |
47.5Nm + 90° |
|
Bolt holding drive plate to other end of crankshaft |
All 698cc engines only + CDI |
45Nm + 90° |
|
Clutch Assembly |
|
|
|
Clutch module to drive plate bolts (3x) |
All 450 & 452 |
20Nm + 90° + 10° |
|
Clutch pressure plate to flywheel bolts |
All 451 |
20Nm |
|
Clutch release bearing to gearbox |
All 450, 451 & 452 |
10Nm |
|
Clutch actuator bolts |
All 450, 451 & 452 |
10Nm |
|
Gearbox bolts (gearbox to engine) |
All 450 & 452 |
23Nm |
|
Gearbox bolts (gearbox to engine) |
All 451 |
45Nm |
|
Gearbox oil drain plug |
All 450, 451 & 452 |
43Nm |
|
Gearbox assembly bolts |
All 450 & 452 |
27Nm + release + 25Nm |
|
Cylinder Head |
|
|
|
Cylinder head bolts (8x) |
All 450 & 452 |
21Nm + 90° + 90° + 10° |
|
Cylinder head bolts (8x) |
CDI |
30Nm + 90° + 90° + 90° + 10° |
|
Cylinder head bolts |
All 451 |
25Nm + 90°+ 90° |
|
Cylinder head bolt to timing cover (2x) |
All 450 & 452 |
27Nm |
|
Sump |
|
|
Sump bolts - Initial Torque
Sump bolts - Final Torque |
All 450 & 452 |
12Nm
9Nm |
Sump bolts - Initial Torque
Sump bolts - Final Torque |
All 451 |
10Nm
10Nm |
Dipstick tube bolt (1x) - Initial Torque
Dipstick tube bolt (1x) - Final Torque |
All 450 & 452 |
12Nm
9Nm |
|
Sump drain plug |
All 451 |
65Nm |
|
Camshaft |
|
|
|
Camshaft sprocket bolt (1x) |
All 450 & 452 |
21Nm + 90°+ 10° |
Camshaft cap bolt (2x per cap) - Initial Torque
Camshaft cap bolt (2x per cap) - Final Torque |
450 599cc engines only |
11Nm
8.4Nm |
Camshaft cap bolt (2x per cap) - Initial Torque
Camshaft cap bolt (2x per cap) - Final Torque |
All 698cc engines |
12Nm
12Nm |
|
Rocker Cover |
|
|
Rocker cover bolts - Initial Torque
Rocker cover bolts - Final Torque |
All 450 & 452 |
12Nm
9.5Nm |
|
Rocker cover bolts |
All 451 |
10Nm |
|
Load bleed plate to crankcase bolts |
All 451 |
10Nm |
|
Ignition Coils |
|
|
|
Coil pack bolts (2x per coil pack) |
All 450 & 452 |
14Nm |
|
Coil pack bolts (2x per coil pack) |
All 451 |
10Nm |
|
Starter Motor |
|
|
|
Starter motor securing bolt |
All 450 & 452 |
23Nm |
|
Starter motor securing bolt |
All 451 |
42Nm |
|
Constant live connection to starter motor |
All 450 & 452 |
8Nm |
|
Constant live connection to starter motor |
All 451 |
10Nm |
|
Water pump system |
|
|
|
Water pump to carrier bolts |
All 450 & 452 |
9.5Nm |
|
Water pump carrier to crankcase bolt |
All 450 & 452 |
20Nm |
|
Water pump pulley to water pump |
All 450, 451 & 452 |
10Nm |
|
Turbo water pipes banjo bolts |
All 450 only |
19Nm |
|
Turbo water pipes banjo bolts |
All 452 only |
20Nm |
Thermostat to cylinder head - initial torque
Thermostat to cylinder head - final torque |
All 450 & 452 |
12Nm
9.5Nm |
Water supply connection to carrier - initial torque
Water supply connection to carrier - final torque |
All 450 & 452 |
14Nm
9.5Nm |
|
Water pump to timing case - M6 |
All 451 |
10Nm |
|
Water pump to timing case - M8 |
All 451 |
23Nm |
|
Thermostat housing bolts |
All 451 |
10Nm |
|
Coolant pipe bolts (crankcase & oiil pan) |
All 451 |
10Nm |
|
Coolant Drain Plug |
All 450 & 452 |
12Nm |
|
Inlets |
|
|
|
Fuel rail bolts (to inlet manifold - 2x) |
All 450 & 452 |
8Nm |
|
Fuel rail bolts (to inlet manifold) |
All 451 |
9Nm |
|
Fuel rail to air inlet pipe |
All 451 |
9Nm |
|
Throttle body bolts (to inlet manifold) |
All 450, 451 & 452 |
9Nm |
Inlet manifold bolts - Initial Torque
Inlet manifold bolts - Final Torque |
All 450 & 452 |
12Nm
10Nm |
Inlet manifold bolts - Initial Torque
Inlet manifold bolts - Final Torque |
All 451 |
20Nm
20Nm |
|
Turbo System |
|
|
|
Turbo oil pipe bolts (2x) |
450 599cc engines only |
7.6Nm |
|
Turbo oil pipe bolts (2x) |
All 698cc engines |
8Nm |
|
Turbo oil line banjo bolt (to crankcase 1x) |
All 450 & 452 |
10Nm |
|
Wastegate actuator securing bolts (2x) |
All 450 & 452 |
7Nm |
|
Turbo exhaust manifold studs (7x on 599cc, 8x on 698cc) |
All 450 & 452 |
6Nm |
|
Turbo exhaust manifold nuts (7x on 599cc, 6x on 698cc) |
All 450 & 452 |
16Nm |
|
Combination valve line nuts on exhaust manifold (2x) |
All 698cc engines only |
10Nm |
|
Exhaust studs (2x) |
450 599cc & 452 |
8.5Nm |
|
Exhaust studs (2x) |
450 698cc engines only |
9Nm |
|
Banjo bolt for exhaust line to combination valve (1x) |
All 698cc engines only |
34Nm |
|
Bolt for combination valve to cylinder head (1x) |
All 698cc engines only |
12Nm |
|
Alternator |
|
|
|
Alternator wiring nuts |
All 450 & 452 |
8Nm |
|
Alternator wiring nuts |
All 451 |
10Nm |
|
Alternator carrier bolts |
599cc engines only |
27.5Nm |
|
Alternator carrier bolts |
698cc engines |
25Nm |
|
Alternator bracket to crankcase bolt |
599cc engines only |
27Nm |
|
Alternator bracket to crankcase bolt |
698cc engines |
25Nm |
|
Alternator bracket to crankcase - M8 |
All 450 & 452 |
9.5Nm |
|
Alternator bracket to crankcase - M6 |
All 450 & 452 |
12Nm |
|
Alternator adjusting nut |
599cc engines only |
27.5Nm |
|
Alternator adjusting nut |
698cc engines |
25Nm |
|
Alternator to timing case cover bolt |
All 451 |
23Nm |
|
Belt Drives |
|
|
|
Alternator belt tensioner to timing case bolt (1x) |
All 450 & 452 |
20Nm |
|
Airconditioning belt tensioner to timing case cover (1x) |
All 450 (with aircon) |
20Nm |
|
Main belt tensioner to timing case cover (1x) |
All 451 |
49Nm |
|
Airconditioning belt tensioner eccentric bolt (1x) |
All 450 & 452 (with aircon) |
21Nm |
|
TIK |
|
|
TIK bracket to gearbox bolts (2x) - Initial Torque
TIK bracket to gearbox bolts (2x) - Final Torque |
All 450 & 452 |
12Nm
9Nm |
|
Spark plugs |
|
|
Spark plugs - Initial Torque
Spark plugs - Final Torque |
599cc engines only |
23Nm
23m |
Spark plugs - Initial Torque
Spark plugs - Final Torque |
698cc engines only |
28Nm
20Nm |
Spark plugs - Initial Torque
Spark plugs - Final Torque |
All 451 |
18Nm
18Nm |
|
Sensors and Switches |
|
|
|
Oil pressure switch |
All 450 & 452 |
18Nm |
|
Oil pressure switch |
All 451 |
10Nm |
|
Lambda O2 sensors (both sensors if applicable) |
All 450 & 452 + CDI |
50Nm |
|
Lambda O2 sensor - upstream |
All 451 |
50Nm |
|
Lambda O2 sensor - downstream |
All 451 |
40Nm |
|
MAP sensor bolt (1x) |
All 450 & 452 |
6Nm |
|
Knock sensor bolt (1x) |
All 450, 451 & 452 |
20Nm |
|
TDC sensor bolt (1x) |
All 450 & 452 |
12Nm |
|
TDC sensor bolt (1x) |
All 451 |
11Nm |
|
Camshaft position sensor |
All 451 |
11Nm |
|
Gear position sensor |
All 450 & 452 |
10Nm |
|
Gearbox temperature sensor |
599cc pre-2000 only |
10Nm |
|
Gearbox RPM sensor |
All 450 & 452 |
10Nm |
|
ECU securing bolts |
All 450 & 452 + 450 CDI |
2Nm |
|
Engine Mounts |
|
|
Engine mount - cylinder head bolts - Initial Torque
Engine mount - cylinder head bolts - Retightening Torque |
All 450 & 452 |
28Nm
23Nm |
Engine mount - back of crankcase - Initial Torque
Engine mount - back of crankcase - Retightening Torque |
All 450 & 452 |
28Nm
23Nm |
Engine mount - gearbox - Initial Torque
Engine mount - gearbox - Retightening Torque |
All 450 & 452 |
28Nm
23Nm |
|
Engine mount to subframe bolts |
All 450 & 452 |
58Nm |
|
Engine mount - right engine to frame |
All 451 |
56Nm |
|
Engine mount - right engine to timing case |
All 451 |
80Nm |
|
Engine mount - left engine to carrier |
All 451 |
56Nm |
|
Engine mount - left engine to transmission |
All 451 |
80Nm |
|
Torque support engine mounts |
All 451 |
115Nm |
|
Carrier for front engine mount to transmission |
All 451 |
23Nm |
|
Carrier for front engine mount to crankcase |
All 451 |
56Nm |
