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Tightening specifications for fasteners (A20NFT/LHU)

Tightening specifications for fasteners (A20NFT/LHU)

Usage case Specification
Metric English
Screw air conditioning compressor to block 22 Nm 16 lb ft
Screw movable chain guide balancer shaft 10 Nm 89 lb in
Screw bearing holder balancer shaft 10 Nm 89 lb in
Screw chain tensioner balancer shaft 10 Nm 89 lb in
Screw fixed chain guide balancer shaft 12 Nm 106 lb in
Coolant plug block 15 Nm 11 lb ft
Screw camshaft cover to cylinder head 10 Nm 89 lb in
Screw camshaft cover to ground cable 10 Nm 89 lb in
Bolt camshaft cover to ground cable 10 Nm 89 lb in
Camshaft

Screw camshaft cover


10 Nm 89 lb in

Screw solenoid valve camshaft position regulator


10 Nm 89 lb in

Screw camshaft position sensor


10 Nm 89 lb in

Exhaust camshaft position regulator -- first time


30 Nm 22 lb ft

Exhaust camshaft position regulator -- last time


100 degrees

Intake camshaft position regulator -- first time


30 Nm 22 lb ft

Intake camshaft position regulator -- last time


100 degrees
Screw insulation module camshaft housing cover 10 Nm 89 lb in
Screw catalytic converter 50 Nm 37 lb ft
Screw catalytic converter mounting 50 Nm 37 lb ft
Nut catalytic converter 50 Nm 37 lb ft
Bolt catalytic converter 50 Nm 37 lb ft
Screw charger air bypass 25 Nm 18 lb ft
Nut charger air bypass 25 Nm 18 lb ft
Screw connecting rod

First time


25 Nm 18 lb ft

Last time


100 degrees
Plug cooling jacket 35 Nm 26 lb ft
Coolant temp. sensor 20 Nm 15 lb ft
Screw crankshaft balance weight

First time


100 Nm 74 lb ft

Last time


125 degrees
Crankshaft bearing - lower crankcase to the block - bottom plate

First time


20 Nm 15 lb ft

Last time


70 degrees
Reluctor ring crankshaft position 15 Nm 11 lb ft
Screw crankshaft position sensor 10 Nm 89 lb in
Cylinder head screw

First time


30 Nm 22 lb ft

Last time


155 degrees
Screw cylinder head front chain housing 35 Nm 26 lb ft
Plug oilway cylinder head 35 Nm 26 lb ft
Screw opening plate cylinder head 10 Nm 89 lb in
Screw drive belt tensioner 45 Nm 33 lb ft
Screw front lifting eye engine 25 Nm 18 lb ft
Screw rear lifting eye engine 25 Nm 18 lb ft
Screw EVAP draining solenoid valve 4 Nm 35 lb in
Fastener front exhaust pipe 10 Nm 89 lb in
Fastener front exhaust pipe - front 50 Nm 37 lb ft
Fastener front exhaust pipe - rear 30 Nm 22 lb ft
Screw heat shield exhaust pipe 25 Nm 18 lb ft
Bolt exhaust pipe to turbocharger 20 Nm 15 lb ft
Nut exhaust pipe to cylinder head 14 Nm 10 lb ft
Bolt exhaust pipe to cylinder head 20 Nm 15 lb ft
Screw flywheel

First time


53 Nm 39 lb ft

Last time


25 degrees
Screw front cover to block 25 Nm 18 lb ft
Screw fuel intake line 10 Nm 89 lb in
Screw bracket fuel pipe 10 Nm 89 lb in
Screw damper fuel pressure 10 Nm 89 lb in
Fuel pressure sensor 33 Nm 24 lb ft
Fuel pump - high pressure line 30 Nm 22 lb ft
Fuel pump - low pressure line 30 Nm 22 lb ft
Screw fuel pump - high pressure 15 Nm 11 lb ft
Cover fuel pump - high pressure 10 Nm 89 lb in
Screw shield fuel pump 10 Nm 89 lb in
Screws fuel rail 22 Nm 16 lb ft
Screw alternator to block 22 Nm 16 lb ft
Screw ignition coil 10 Nm 89 lb in
Screw stay intake manifold 25 Nm 18 lb ft
Nut stay intake manifold 25 Nm 18 lb ft
Bolt stay intake manifold 15 Nm 11 lb ft
Screw intake manifold to cylinder head 25 Nm 18 lb ft
Nut intake manifold to cylinder head 22 Nm 16 lb ft
Bolt intake manifold to cylinder head 15 Nm 11 lb ft
Screw knock sensor 25 Nm 18 lb ft
Screw lower crankcase to block perimeter 25 Nm 18 lb ft
Screw MAP sensor 4 Nm 35 lb in
Screws oil cooler 25 Nm 18 lb ft
Cover oil filter adapter 22 Nm 16 lb ft
Oilway pump impeller cover - rear screw 6 Nm 53 lb in
Plug oilway - rear - block 60 Nm 44 lb ft
Screw tube oil dipstick 10 Nm 89 lb in
Screw oil level sensor plate 10 Nm 89 lb in
Screw baffle plate oil pan 14 Nm 10 lb ft
Screws oil pan 25 Nm 18 lb ft
Drain plug oil pan 25 Nm 18 lb ft
Oil pressure switch 26 Nm 19 lb ft
Screw pump impeller cover oil pump 6 Nm 53 lb in
Plug relief valve oil pump 40 Nm 30 lb ft
Oxygen sensor 42 Nm 31 lb ft
Oil nozzle piston 15 Nm 11 lb ft
Screw brake servo pump 22 Nm 16 lb ft
Screw tensioner power steering 22 Nm 16 lb ft
Spark plug 20 Nm 15 lb ft
Screw starter motor to block 53 Nm 39 lb ft
Screws thermostat housing to block 10 Nm 89 lb in
Screw throttle body 10 Nm 89 lb in
Nut throttle body 10 Nm 89 lb in
Screw variable timing chain guide 10 Nm 89 lb in
Screw fixed timing chain guide 12 Nm 106 lb in
Plug access hole bolt timing chain guide 75 Nm 55 lb ft
Screw oil nozzle timing chain 10 Nm 89 lb in
Camshaft chain tensioner 75 Nm 55 lb ft
Screw upper timing chain guide 10 Nm 89 lb in
Screw cover bypass valve turbocharger 10 Nm 89 lb in
Screws outlet pipe air cooler turbocharger 25 Nm 18 lb ft
Bolt bracket stay turbocharger 25 Nm 18 lb ft
Nut stay turbocharger 50 Nm 37 lb ft
Screw coolant supply pipe turbocharger 35 Nm 26 lb ft
Screw bracket coolant supply pipe turbocharger 10 Nm 89 lb in
Screw coolant return pipe turbocharger 35 Nm 26 lb ft
Screw heat shield turbocharger 10 Nm 89 lb in
Nut turbocharger 30 Nm 22 lb ft
Screw oil supply pipe turbocharger 40 Nm 30 lb ft
Screw oil return pipe turbocharger 10 Nm 89 lb in
Screw bracket solenoid valve turbocharger wastegate regulator 7 Nm 62 lb in
Ventilation pipe to cylinder head 15 Nm 11 lb ft
Drain plug water jacket 20 Nm 15 lb ft
Screw support bracket water pipe 10 Nm 89 lb in
Screw access hatch water pump 10 Nm 89 lb in
Screws water pump 25 Nm 18 lb ft
Bolt cover water pump 10 Nm 89 lb in
Drain plug water pump 20 Nm 15 lb ft
Screw sprocket water pump 10 Nm 89 lb in
A/C compressor 24 Nm 18 lb ft
Starter motor to crankcase 40 Nm 30 lb ft
A/C compressor to cylinder block 20 Nm 15 lb ft