Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2004DIAMANTE V6-3.5L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSENGINE OVERHAULFASTENER TIGHTENING SPECIFICATIONS
2004 Mitsubishi Diamante V6-3.5L SOHC
Fastener Tightening Specifications
2004 Mitsubishi Diamante V6-3.5L SOHCSECTION Fastener Tightening Specifications
| Bracket | Bracket bolt | M8 | 22 Nm |
| M10 | 41 Nm | ||
| M12 | 75 Nm | ||
| Crankshaft and drive plate | Drive plate bolt | 75 Nm | |
| Bell housing cover bolt | 9 Nm | ||
| Oil seal case bolt | 11 Nm | ||
| Bearing cap bolt | 93 Nm | ||
| Cylinder head and valve | Cylinder head bolt | 108 Nm | |
| Exhaust manifold | Oil level gauge guide bolt | 14 Nm | |
| Heat protector bolt | 14 Nm | ||
| Exhaust manifold nut | 29 Nm | ||
| Water pump bolt | M8 | 24 Nm | |
| M10 | 41 Nm | ||
| Generator and drive belt | Generator bolt | 21 Nm | |
| Tensioner pulley nut | 50 Nm | ||
| Generator bracket bolt | M8 | 48 Nm | |
| M10 | 23 Nm | ||
| Crankshaft bolt | 182 Nm | ||
| Ignition system | Spark plug | 25 Nm | |
| Distributor nut | 23 Nm | ||
| Intake manifold and fuel parts | Injector and fuel rail bolt | 12 Nm | |
| Fuel pressure regulator bolt | 9 Nm | ||
| Fuel pipe bolt | 9 Nm | ||
| Heat pipe bolt | 18 Nm | ||
| Engine coolant temperature gauge unit | 11 Nm | ||
| Engine coolant temperature sensor | 30 Nm | ||
| Water outlet fitting bolt | 19 Nm | ||
| Water inlet fitting bolt | 19 Nm | ||
| Water (outlet) pipe bolt | 14 Nm | ||
| Intake manifold nut | 21 Nm | ||
| Intake manifold plenum and throttle body | Manifold differential pressure sensor bolt | 4.9 Nm | |
| Intake manifold plenum bolt and nut | 18 Nm | ||
| Vacuum hose assembly bolt | 9.8 Nm | ||
| Water outlet fitting bracket bolt | 19 Nm | ||
| EGR pipe bolt | 18 Nm | ||
| EGR pipe flare nut | 59 Nm | ||
| Intake manifold plenum stay bolt | M8 | 18 Nm | |
| M10 | 36 Nm | ||
| EGR valve bolt | 22 Nm | ||
| Bracket bolt | 24 Nm | ||
| Throttle body bolt | 12 Nm | ||
| Oil pan and oil pump | Oil pressure switch | 10 Nm | |
| Oil filter bracket bolt | M8 | 24 Nm | |
| M10 | 40 Nm | ||
| Drain plug | 40 Nm | ||
| Oil pan (upper) bolt | 9 Nm | ||
| Oil pan lower bolt | 11 Nm | ||
| Cover bolt | 11 Nm | ||
| Baffle plate bolt | M6 | 11 Nm | |
| M8 | 9 Nm | ||
| Oil screen bolt | 19 Nm | ||
| Plug | 45 Nm | ||
| Oil pump case bolt | 14 Nm | ||
| Oil pump cover bolt | 14 Nm | ||
| Piston and connecting rod | Connecting rod cap nut | 52 Nm | |
| Rocker arms and camshaft | Rocker cover bolt | 3.5 Nm | |
| Distributor adaptor bolt | 23 Nm | ||
| Thrust case bolt | 13 Nm | ||
| Rocker arm, rocker arm shaft bolt | 31 Nm | ||
| Timing belt | Crankshaft positoin sensor bolt | 9 Nm | |
| Auto tensioner bolt | 24 Nm | ||
| Tensioner pulley bolt | 49 Nm | ||
| Tensioner arm bolt | 44 Nm | ||
| Idler pulley bolt | 44 Nm | ||
| Camshaft sprocket bolt | 88 Nm |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.