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Home >> Audi >> 2013 >> Q7 Prestige >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> 3.0L - Diesel Fuel Injection - Engine Code: CNRB >> 23 Diesel Fuel Injection >> Specifications >> Fastener Tightening Specifications >> Notes

Fastener Tightening Specifications: Notes

Components Fastener Size Nm
Bracket for the air guide pipe to air guide pipe bolt - 9
Bracket for the electrical connector to Intake Manifold bolt - 4
Charge air pressure sensor / intake air temperature sensor bolt - 5
Clamp for high pressure line - 9
Counter Pin
- On camshaft bearing - 2.5
- On cylinder head - 9
Differential pressure sensor nut - 3.5
Exhaust gas temperature sensor 2 - 45
Engine support adapter to high pressure pump nut - 70
Fuel rail bolt - 22
Fuel temperature sensor - 2
Guide pin
- On camshaft bearing - 2.5
- On cylinder head - 9
High pressure line union nut 1 - 25
High pressure pump bolt - 22
Hose connection ring to fuel rail banjo bolt - 25
Intake flap motor to bracket exhaust gas recirculation cooler switch-over valve bolt - 9
Lower Air Filter Housing bolt - 10
Mass airflow sensor to upper air filter housing bolt - 1.5
Mounting pins for engine cover - 1.5
NOx sensor nut - 2.5
Particulate sensor 2 - 50
Particulate sensor to SCR - catalytic converter nut - 3.5
Pipe for Exhaust Gas Recirculation (EGR) system to air guide pipe bolt - 9
Pressure line to particulate filter - 45
Oxygen sensor - 50
Tensioning claw
- First tightening - 6
- Second tightening 90   90°
Wiring guide to intake manifold bolt - 4
  • 1 Coat the union nut threads with clean engine oil
  • 2 Coat with hot bolt paste