Engine Torque Specification

M70 5.0L (88-94)


Engine Block
2AZ Main bearing screws
M10
Jointing Torque 20 Nm
Torque angle 70°
Note: Replace screws, do not wash off screw coating
3AZ Taper screw mount on main bearing
Screws and spacer bolts
M8
Jointing torque 20 Nm
Torque angle 45°
Threaded support sleeves 10 Nm
4AZ
M10 43 Nm
M8 22 Nm
5AZDrain 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 With Covers
7AZ Cylinder bolts
M10
Jointing torque 30 Nm
Torque angle 60°
Torque angle 60°
Note: Replace screws, Do not wash off coating.
11AZ Cylinder 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 10 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 to hub crankshaft
M18 x 1.5
Jointing torque 100 Nm
Torque angle 60°
Torque angle 60°
3AZ Belt Pulley / vibration damper to hub
M8 22 Nm


Connecting Rods and Bearings
1AZ Connecting Rod bolts
Application torque 5 Nm
Jointing torque 20 Nm
Torque angle 70°
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
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


Oil Pump With Strainer and Drive
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
5AZ Oil drain line to oil filter and upper oil sump section
banjo bolt M14 x 1.5 30 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.


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 oil cooler (on radiator) and on transmission
M18 x 1.5 20 Nm
6AZ Oil lines on transmision
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