Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Croma Factory Service Manual (2005-2010)04 · Tightening torques
04 · General

Emission control system

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Engine unit › Emission control system
Tightening torquesEmission control system

EMISSION CONTROL SYSTEM

ComponentFasteningdiaValue (daNm)Validity
Front Lambda sensor to catalytic converter- (with special black grease)M18 x 1.5(exhaust manifold with catalytic converter side) 4.02.2
Front Lambda sensor to catalytic converterM183.5 ÷ 4.51.8
Rear Lambda sensor to catalytic converter- (with special black grease)M18 x 1.5(exhaust pipe side) 4.02.2
Rear Lambda sensor to catalytic converter4.02.2
Rear Lambda sensor to catalytic converterM183.5 ÷ 4.51.8
E.G.R. system solenoid valveBoltM6(chamber side) 2.5

1.9 JTD 16v

2.4 JTD 20v

Exhaust gas/water heat exchanger for E.G.R. systemBoltM8(cylinder head side) 2.3 - 2.8

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

Exhaust gas/water heat exchanger for E.G.R. systemBoltM8(EGR solenoid side) 2.3 - 2.8

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

Exhaust gas/water heat exchanger for E.G.R. systemBoltM8(exhaust manifold side) 2.3 - 2.8

1.9 JTD 16v

2.4 JTD 20v

Exhaust gas temperature sensor on particle filterM14x1.5(D.P.F. particle filter side) 4.5

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

Pressure intake pipe downstream of particle filterConnector(D.P.F. particle filter side) 1.2 - 1.6

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

Thermal coupling signalling catalytic converter overheatingM14x1.5(catalytic converter side) 4.5

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

Catalytic converterCollar nutM10(turbocharger and exhaust manifold side) 2.2 - 2.6

1.9 JTD 16v

1.9 JTD 8v

2.4 JTD 20v

E.G.R. system solenoid valveBoltM8(intake manifold side) 2.3 - 2.81.9 JTD 8v
Exhaust gas/water heat exchanger for E.G.R. systemBoltM8(exhaust manifold side) 2.3 - 2.81.9 JTD 8v
Water/engine oil heat exchanger supportBoltM104.5 ÷ 5.51.9 JTD 8v
Lambda sensor wiring mounting bracketBolt1.51.8

Parts & tools for this job For 2005 Fiat Croma

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