Recommended Torque Values (X 25 XE, Y 26 SE)
|
Nm |
Starter to cylinder block |
40 |
Intake bridge to intake flange |
20 |
Intake flange to cylinder head |
20 |
Drive disc to crankshaft |
65 Nm / 48 lbf. ft. + 30 ° + 15 ° 1) 2) |
Exhaust manifold to cylinder head |
20 3) |
Oil dipstick guide tube fastening strap with coolant pipe to cylinder head |
20 |
Oil filter housing cover to oil filter housing |
25 |
Heat exchanger cover to heat exchanger |
30 |
DIS ignition module to bracket |
8 |
Attach reaction member to both reaction member brackets |
60 |
1) Use new fastening bolts. 2) Re-cut threads in crankshaft before installing drive disc. 3) Use new fastening nuts.
Recommended Torque Values (Continued)
|
Nm |
Torsional vibration damper to toothed belt drive gear |
20 |
Throttle valve module to intake plenum |
8 |
Throttle body to intake plenum |
8 |
Attach fuel pressure regulator to fuel distributor pipe with fastening clamp. |
5 |
Accelerator pedal/accelerator position sensor to bulkhead |
20 1) |
Crankshaft pulse pick-up sensor disc to crankshaft |
15 2) |
Alternator to cylinder block |
35 |
Base plate for toothed belt tension roller and toothed belt guide roller to cylinder head |
40 |
Auxiliary aggregate(s) support to cylinder block |
40 |
Torque support bracket to adapter |
60 |
1) Use new fastening nuts. 2) Use new fastening bolt.
Recommended Torque Values (Continued)
|
Nm |
Secondary air non-return valve bracket to exhaust manifold |
8 |
Engine damping block bracket to rear engine damping block |
45 |
Engine damping block bracket to cylinder block |
35 |
Intake pipe bracket to cylinder head |
20 |
Rear toothed belt cover to cylinder block (M8) |
10 |
Rear toothed belt cover to cylinder head and oil pump (M6) |
8 |
Heat shield to exhaust manifold and to cylinder head |
20 |
Heat shield for exhaust manifold / catalytic converter to intake pipe bracket |
20 |
Power steering hydraulic line to intake pipe bracket |
20 |
Crankshaft pulse pick-up to cylinder block |
8 |
Recommended Torque Values (Continued)
|
Nm |
Cable trough to oil pump and cylinder block |
8 |
Wiring trough to front toothed belt cover |
8 |
Assemble refrigerant lines at separation point |
7 |
Refrigerant lines to compressor |
33 |
Ribbed v-belt tension roller to cylinder head |
40 |
Knock sensor to cylinder block |
20 |
Fuel distributor pipe to intake bridge |
8 |
Coolant bridge to cylinder head |
30 1) |
Coolant pump to cylinder block |
25 |
Coolant pipe with oil dipstick guide tube to cylinder head |
20 |
1) Use new copper seal rings.
Recommended Torque Values (Continued)
|
Nm |
Crankshaft bearing bridge to crankshaft bearing cover |
50 Nm / 37 lbf. ft. + 60 ° + 15 ° 1) |
Crankshaft bearing cap to cylinder block |
50 Nm / 37 lbf. ft. + 60 ° + 15 ° 1) 2) |
Oxygen sensor in exhaust pipe |
30 |
Shackle, power steering pump to auxiliary aggregates bracket |
20 |
Steering intermediate shaft to steering gear (interior) |
22 Nm / 16 lbf. ft. + 45 ° + 15 ° 1) 3) |
Secondary air metal pipe to exhaust manifold |
20 4) |
Rear engine damping block to front axle body |
20 |
Front engine damping block to engine damping block bracket |
45 |
Front engine damping block to front axle body |
45 |
1) Use new fastening bolt. 2) Apply a bead of adhesive sealing compound (black) to grooves of rear crankshaft bearing cap. After assembly of crankshaft bearing cap, press in adhesive sealing compound (black) from above again until it escapes from the joints. 3) Re-cut thread for steering intermediate shaft before re-use. Insert new fastening bolts with screw locking compound (red). The installation time including torque check is max. 5 min. 4) Insert fastening bolts with assembly paste (white).
Recommended Torque Values (Continued)
|
Nm |
Engine vent housing to cylinder block |
8 |
Engine transport shackle to cylinder head (cylinders 2-4-6) |
25 |
Camshaft bearing caps to cylinder head |
8 |
Camshaft sprocket to camshaft |
50 Nm / 37 lbf. ft. + 60 ° + 15 ° 1) |
Camshaft sensor to camshaft bearing cap |
8 |
Oil drain plug to oil pan (with rubber seal ring) |
10 |
Oil drain plug to oil pan (with metal seal ring) |
55 |
Oil pressure switch to oil pump |
40 |
Oil filter to cylinder block |
15 |
Oil filter casing to cylinder block |
45 |
1) Use new fastening bolt.
Recommended Torque Values (Continued)
|
Nm |
Oil lines to cylinder block and heat exchanger |
30 |
Oil pump to cylinder block (M6) |
8 1) |
Oil pump to cylinder block (M8) |
12 2) |
Oil pump cover to oil pump |
8 |
Oil intake tube to oil pump and oil baffle plate |
8 |
Oil baffle plate to crankshaft bearing bridge |
8 |
Oil pan to transmission housing (M8) |
20 |
Oil pan to transmission housing (M10) |
40 |
Oil pan to cylinder block and oil pump |
15 |
1) Retighten torque 10 Nm / 7 lbf. ft. 2) Re-tightening torque 20 Nm / 15 lbf. ft.
Recommended Torque Values (Continued)
|
Nm |
Pendulum to spring strut support tube |
65 1) |
Con-rod bearing cap to con-rod |
35 Nm / 26 lbf. ft. + 45 ° + 15 ° 2) |
Power steering pump to ancillary component support |
20 |
Pulley to coolant pump |
8 Nm / 6 lbf. ft. + 30 ° + 30 ° 2) |
Crankshaft pulley to power steering pump |
20 Nm / 15 lbf. ft. + 30 ° + 15 ° 2) |
Intake plenum to intake bridge |
8 |
Intake manifold to intake manifold bracket |
8 |
Hose clamps in intake system |
3,5 3) |
Flywheel to crankshaft |
65 Nm / 48 lbf. ft. + 30 ° + 15 ° 2) 4) |
Coolant temperature sensor to coolant bridge |
18 |
1) Use new fastening nuts. 2) Use new fastening bolt. 3) It is only ensured that the intake system is free of leaks, thus ensuring operational safety of the engine, if the hose clamps are tightened correctly to the prescribed tightening torque. 4) Re-cut threads in crankshaft before installing flywheel.
Recommended Torque Values (Continued)
|
Nm |
Thermostat housing to cylinder block |
20 |
Switchover valve to intake plenum |
8 |
Lower alternator fastening bolt to oil pump |
40 |
Compressor to ancillary component support |
40 |
Oil pressure regulating valve screw plug to oil pump |
40 |
Closure bolt, safety valve to oil pump |
30 |
Front axle body to chassis |
100 Nm / 74 lbf. ft. + 45 ° + 15 ° 1) 2) 3) 4) |
Front toothed belt cover to rear toothed belt cover |
8 |
1) Installation and removal with an impact screwdriver is not permissible. Note various lengths of bolts and washers. 2) Use new fastening bolts. 3) Before fitting the front axle body with drive unit: check thread of locking nuts for ease of movement, replace locking nuts if necessary - see operation "Replacement Locking Nuts" in group "A". 4) Insert new fastening bolts with screw locking compound (red). The installation time including torque check is max. 5 min.
Recommended Torque Values (Continued)
|
Nm |
Front exhaust pipe with new gaskets to exhaust manifold |
30 |
Heat exchanger to cylinder block |
20 |
Exhaust gas recirculation valve corrugated pipe to exhaust gas recirculation valve adapter and exhaust manifold. |
25 |
Toothed belt tension roller to bracket |
20 |
Toothed belt guide roller to bracket |
40 |
Toothed belt guide roller to oil pump |
40 |
Toothed belt drive gear to crankshaft |
250 Nm / 184 lbf. ft. + 45 ° + 15 ° 1) |
Spark plugs to cylinder head |
25 |
Ignition module to cylinder head cover |
8 |
Cylinder head to cylinder block |
25 Nm / 18 lbf. ft. + 90 ° + 90 ° + 90 ° + 15 ° 1) 2) |
1) Use new fastening bolts. 2) re-tightening not required
Recommended Torque Values (Continued)
|
Nm |
Cylinder head cover to cylinder head |
8 |
|