Operation CHARM: Car repair manuals for everyone.

Engine Torque Specification

M30 Engine 3.0L/3.5L



Engine in General M30 B 30 M
Bore 89 mm (3.504)
Stroke 80 mm
Compression ratio with catalytic converter 9.0:1
Power with catalytic converter 9.2:1
Power without catalytic converter
kW 135
Rpm 5800
Max. top speed
Rpm 6400
Max. constant speed
Rpm 6000
Max. torque with catalytic converter
Nm 260
Rpm 4000
Max. torque without catalytic converter
Nm 275 (199)
Rpm 4000
Compression pressure (approx. equal value for all cylinders)
Bar (psi) 10-11


Crankcase M30 B30 M
Mail bearing cap
M10 58 Nm
Note: Bolts washed and lubricated with oil
Drain plug for coolant in crankcase 50 Nm +6 Nm
Bore 89.00 + 0.01 mm
Intermediate bore dimension a) 8908 + 0.01 mm
1)Grinding dimension a) 89.25 + 0.01 mm
1)Grinding dimension b) 89.50 + 0.01 mm
Permitted roundness deviation of cylinder bore a) 0.01 mm
Permitted total wear clearance between piston and cylinder (engine run in) 1.5 mm
Note: (a) New condition or rework.


Cylinder head with cover M30 B 30 M
Valve seat angle 45°
Correction angle
outer 15°
inner 60°
Valve seat width (Dimension "B")
Intake 1.4 ± 0.4 mm
Exhaust 1.7 ± 0.4 mm
Valve seat diameter
Intake outside diameter 45.5 mm
Exhaust outside diameter 37.6 mm


Engine in General M30 B 35 M
Bore 92 (3.622) mm
Stroke 86 (3.386) mm
Effective displacement 3430 (209) cm
Compression ratio with catalytic converter 9.0:1
Power with catalytic converter 9.2:1
Power without catalytic converter
kW 155
rpm 5700
Max. top speed
rpm 6200
Max. constant speed
rpm 6000
Max. torque with catalytic converter
Nm 305
rpm 4000
Max. torque without catalytic converter
Nm 315 (228)
rpm 4000
Compression pressure (approx. equal value for all cylinders)
bar (psi) 10-11


Crankcase M30 B 35 M
Bore 92.00 + 0.01 mm
Intermediate bore dimension a) 92.08 + 0.01 mm
1)Grinding dimension a) 92.25 + 0.01 mm
1)Grinding dimension b) 92.50 + 0.01 mm
Permitted roundness deviation of cylinder bore a) 0.01 mm
Permitted total wear clearance between piston and cylinder (engine run in) 1.5 mm
Note: (a) New condition or rework.


Engine Block
1AZ Main bearing screws
M10 60 Nm
Note: Replace, wash and oil screws.
4AZ Struts/bracing shell
M10 43 Nm
M8 22 Nm
5AZ Drain plug for coolant in engine block
M14 x 1.5 25 Nm
6AZ Main oil gallery seal plugs
M16 x 1.5 34 Nm
M18 x 1.5 40 Nm
7AZ Oil spray nozzle on engine block
M6 10 Nm
Oil spray nozzle to engine block
Banjo bolt M8 x 1 12 Nm


Cylinder Head and Cover
4AZ Cylinder head bolts
Torque 60 Nm
Setting time 20 Min
Torque 80 Nm
Warm-running time 25 min
Torque angle 35°
11AZCylinder head cover
M6 10 Nm
M7 15 Nm
13AZ Timing case to cylinder head
M7 15 Nm
M8 20 Nm


Oil Pan
1AZ Oil drain plug
M12 x 1.5 25 Nm
M18 x 1.5 30 Nm
M22 x 1.5 60 Nm
2AZ Oil pan on engine block
M6 8.8 10 Nm
M6 10.9 12 Nm
M8 8.8 22 Nm
Oil sump, lower sections to upper section
M6 8.8 10 Nm
M8 8.8 22 Nm
Oil sump bottom section to top section with microencapsulated screws
M6 10.9 12 Nm
Note: Replace screws.


Case Cover
1AZ Timing case and timing case cover top and bottom
M6 10 Nm
M7 15 Nm
M8 22 Nm
M10 47 Nm
2AZ End cover, Front/rear, to crankcase
M6 10 Nm
M8 22 Nm


Crankshaft and bearings
1AZ Increment wheel on crankshaft
M5 10.9 13 Nm
M5 8.8 5.5 Nm
Note: Replace screws.


Flywheel
1AZ flywheel to crankshaft
Manual transmission flywheel to crankshaft 105 Nm
Note: Replace Screws.
Automatic transmission flywheel to crankshaft 120 Nm
Note: Replace Screws.


Vibration Damper
2AZ Vibration damper / hub to crankshaft
M24 x 1.5 440 Nm
Note: Replace nut
3AZ Belt Pulley / vibration damper to hub
M8 22 Nm


Connecting Rods and Bearings
1AZ Connecting Rod bolts 55 Nm
Note: Replace, wash and oil screws.


Crankshaft
1AZ Camshaft bearing cap
M6 10 Nm
M7 14 Nm
M8 20 Nm
3AZ Sprocket to camshaft flange
M6 10 Nm
M7 15 Nm
6AZ Flange to camshaft 145 Nm
7AZ Screw plug for chain tensioner
M22 x 1.5 40 Nm
8AZ Cylinder for chain tensioner plunger
M26 x 1.5 50 Nm
11AZ Screw in pin on camshaft
M7 20 Nm
Nut on screw in pin
M6 10 Nm


Rocker Arms/Drag Arms and Bearings
1AZ Clamping bolt in rocker arm
M6 10 Nm


Oil Pump With Strainer and Drive
1AZ Screw plug for pressure relief valve 40 Nm
2AZ Oil pump to crankcase
M8 23 Nm
3AZ Oil pump cover
M6 10 Nm
4AZ Sprocket to oil pump
M6 10 Nm
M10 x 1 25 Nm
M10 45 Nm


Oil Filter and Pipes
1AZ Oil filter (one way cartridge) (Tighten to specifications on spin on oil filter)
2AZ Full flow oil filter (cover)
M8 22 Nm
M10 33 Nm
M12 33 Nm
Screwed-on cover 25 Nm
3AZ Oil filter housing and lines on crankcase
M8 22 Nm
M20 x 1.5 40 Nm
6AZ Oil line to bearing points and camshaft lubricant
M6 10 Nm
7AZ Oil line for camshaft lubricant on cylinder head
Banjo bolt M8 x 1 10 Nm
M5 5 Nm
8AZ Oil cooler oil pipes to oil filter housing
M8 22 Nm
9AZ Oil pipes to turbo charger
M8 22 Nm
10AZ Oil lines from turbocharger to engine block
Hollow bolt M16 x 1.5 40 Nm
11AZ Oil supply pipe to turbocharger
Hollow bolt 25 Nm
Coupling nut 30 Nm


Water Pump and Drive
1AZ Water pump to crankcase
M6 10 Nm
M7 15 Nm
M8 22 Nm


Fan
1AZ Fan clutch on water pump
Coupling nut (left handed thread) 40 Nm


Thermostat and Connections
1AZ Thermostat housing
M6 10 Nm
2AZ Bleeder screw
M8 8 Nm


Intake Manifold
1AZ Intake manifold on cylinder head
M8 22 Nm
M7 15 Nm
M6 10 Nm


Exhaust Manifold
1AZ Exhaust manifold to cylinder head
Coat screw connections with Molykote HSC paste
M6 10 Nm
Note: Replace Nuts.
M7 15 Nm
Note: Replace Nuts.
M8 23 Nm
Note: Replace Nuts.


Turbocharger and control
1AZ Turbocharger to exhaust manifold 45 Nm
2AZ Bypass valve to flow section
M8 25 Nm
3AZ Ring nut to exhaust manifold 220 Nm
4AZ Screws to bypass valve
M6 10 Nm
5AZ Flow section to exhaust manifold
M8 22 Nm
6AZ Flange for oil return to turbocharger
M8 22 Nm
8AZ Screw plug to oil return
M16 45 Nm
9AZ Control line to bypass valve / turbocharger 30 Nm


Emissions-Control, Lambda Oxygen Sensor
1AZ Oxygen control sensor, oxygen monitor sensor
M18 x 1.5 50 Nm


Coolant
1AZ Coolant hoses 32... 48 mm diameter. 2.5 Nm
2AZ Bleeder screw (8 mm wrench size) on thermostat housing
Without E46 8 Nm
3AZ Level switch (30 mm wrench size)
to coolant expansion tank 3 Nm


Radiator and Mounting Parts
1AZ Radiator to body
Self tapping screw
B6.3 9 Nm
M6 10 Nm
2AZ Drain plug to radiator 2.5 Nm
3AZ Temperature switch to radiator
(91° C / 99°C) max. 15 Nm
4AZ Expansion tank to body 9 Nm


Engine Oil Cooler
1AZ Engine oil cooler to body 14 Nm


Oil Cooler Pipes
1AZ Pipes to engine oil cooler 28 Nm
3AZ Holder on oil cooler pipes 6 Nm
5AZ Cap nut on transmission cooler
(on radiator) and on transmission
M18 x 1.5 20 Nm
6AZ Oil lines on transmission
Hollow bolt
M16 x 1.5 37 Nm
7AZ Oil lines on transmission oil cooler
Hollow bolt
M14 x 1.5 27 Nm
8AZ Screw-in fitting on transmission
M14 x 1.5 and M16 x 1.5 37 Nm


Exhaust Assembly
1AZ Primary catalytic converter to turbocharger/or jacket pipe to catalytic converter 10 Nm
Note: Tighten down compression spring with nut uniformly to full extent, then slacken by 1.5 turns.
3AZ Clamp for final muffler
M8 15 Nm