Tightening Torques For Engine M96/20 (2.5L), M96/21 (3.2L), M96/22 (2.7L)
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TIGHTENING TORQUES FOR ENGINE M96/20 (2.5L), M96/21 (3.2L), M96/22 (2.7L)
| Location | Thread | Tightening torque Nm (ft.lb) |
|---|---|---|
| Screws, bearing housing Initial tightening: Final tightening: | M9x127 | 20 (15) 1 x 90° |
| Connecting-rod screws with connecting-rod designation...7R Initial tightening: Final tightening: | M9 x 1.25 | 20 (15) 1 x 90° |
| Connecting-rod screws with connecting-rod designation...7R Initial tightening: Final tightening: | M9 x 1.25 | 20 (15) 1 x 110° |
| Oil guide to bearing housing | M6 (micro-encapsulated) | 10 (7.5) |
| Screws, crankcase halves | M6 | 10 (7.5) |
| Additional bolts | M9 x 150 | 22 (16) |
| Crankcase/bearing housing | M9 x 94 | 22 (16) |
| Oil suction pipe to crankcase | M6 | 10 (7.5) |
| Air/oil separator to crankcase | M6 | 10 (7.5) |
| Oil pan to crankcase | M6 | 10 (7.5) |
| Oil drain plug to oil pan | M18 x 1.5 | 50 (37) |
| Oil filter to crankcase | S80 x 3 | 25+/-1 (19+/-1) |
| Coolant guide housing to crankcase | M10 | 45 (33) |
| Intermediate-shaft flange | M6 (micro-encapsulated) | 10 (7.5) |
| Lock nut on intermediate-shaft flange | M8 x 1 | 13 (9.5) |
| Screw plug for piston pin assembly bore of cylinder bank 4 - 6 | M27 x 2 | 80 (59) |
| Bolt for slide rail | M6 | 10 (7.5) |
| Belt pulley to crankshaft Initial tightening: Final tightening: | M16 x 15 | 50 (37) 1 x 90° |
| Thrust plate to double-mass flywheel | M8 | 23 (17) |
| Drive plate to crankshaft (Tiptronic) Initial tightening: Final tightening: | M10 x 1 x 25 (12.9) | 25 (18) 1 x 90° |
| Coolant pump to crankcase | M6 | 10 (7.5) |
| Chain tensioner to crankcase | M27 x 2 | 80 (59) |
| Belt tensioner roller to lever for tensioning element | M10 | 60 (44) |
| Belt deflection roller 1 to crankcase | M10 x 145 (8.8.) | 46 (34) |
| Belt deflection roller 2 to bracket for hydraulic pump | M8 x 55 | 23 (17) |
| Belt pulley to generator | M16 x 1.5 | 65+/-5 (48+/-3.5) |
| Belt pulley to hydraulic pump | M8 x 12 | 23 (17) |
| Cylinder head to crankcase 1st step Completely undone 2nd step 3rd step 4th step | M10 x 230 | 30 (22) 60° torque angle 60° torque angle again |
| Flat-base tappet housing to cylinder head | M6 | 10 (7.5) |
| Camshaft bearing saddles to cylinder head | M6 | 10 (7.5) |
| Cylinder-head cover to cylinder head | M6 | 13 (9.5) |
| Spark plugs | M14 x 1.25 | 30+3 (22+2) first fitting 25+5 (18+3.5) refitting |
| Camshaft drive wheel and drive plate to camshaft | M6 x 15 (10.9) | 14 (10) |
| Chain tensioner to cylinder head | M27 x 2 | 80 (59) |
| Intake pipe to cylinder head | M6 (micro-encapsulated) | 10 (7.5) |
| Plug, oil-pressure duct to cylinder head | M10 x 1 | 10 (7.5) |
| Oil extraction pump to cylinder head | M6 | 10 (7.5) |
| Oil-level sender to crankcase | M14 x 1.25 | max. 20 (15) |
| Oxygen sensor to catalytic converter | M18 | 55+/-5 (41+/-3.5) |
| Knock sensor | M8 | 20+/-2 (15+/-1.5) |
| Hall-effect sensor | M6 (micro-encapsulated) | 10 (7.5) |
| Speed sender | M6 | 10 (7.5) |
| NTC coolant temperature sensor | M14 x 1.5 | 25+/-5 (18+/-3.5) |
| Oil pressure switch | M14 x 1.5 | 20+/-5 (15+/-3.5) |
| Starter | M10 | 45 (33) |
| Generator | M10 | 45 (33) |
| Ignition coil to cylinder head | M6 | 10 (7.5) |
| Power steering pump to bracket | M8 | 23 (17) |
| Pressure pipe of hydraulic pump | M16 | 24 (18) |
| Oil supply tank to hydraulic pump | M8 | 23 (17) |
| Check valve for auxiliary air injection | M22 x 1.5 | 32 (24) |
| Coolant pump to crankcase | M6 | 10 (7.5) |