Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Alfa Romeo 159 Factory Service Manual (2005-2011)04 · Tightening torques
04 · General

Inlet and exhaust manifolds

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Engine unit › Inlet and exhaust manifolds
Tightening torquesInlet and exhaust manifolds

INLET AND EXHAUST MANIFOLDS

1.9 JTS, 2.2 JTS, 3.2 JTS, 1.9 JTD 8V, 1.9 JTD 16V, 2.4 JTD 20V

ComponentFasteningdiaValue (daNm)Validity
Air intake/fuel manifold integrated ductBolt/nutM8(cylinder head side) 1.8 - 2.2

1.9 JTS

2.2 JTS

Exhaust manifold with catalytic converterNutM8(cylinder head side) 2.2 - 2.6

1.9 JTS

2.2 JTS

Exhaust manifold with catalytic converterNut (to replace)(cylinder head side) 2.01.8
Bracket side caztalyzerBolt2.01.8
Exhaust manifoldNutM8(turbocharger side) 2.3 - 2.82.4 JTD 20V
Exhaust manifoldNutM8(cylinder head side) 2.3 - 2.82.4 JTD 20V
Intake manifoldNutM8(cylinder head side) 2.3 - 2.8

1.9 JTD 16V

2.4 JTD 20V

Throttle carrier shaft control valve for inlet ductsNutM

1.9 JTD 16V

2.4 JTD 20V

Intake manifoldNutM8(cylinder head side) 2.3 - 2.81.9 JTD 8V
Air chamberBolt2.33.2 JTS
Exhaust manifold-catalytic preconverter to cylinder headBoltM82.2 ÷ 2.63.2 JTS
Exhaust manifold-catalytic preconverter to cylinder headNutM82.2 ÷ 2.63.2 JTS
Modular intake manifoldBolt2.01.8

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