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 Doblò Factory Service Manual (2000-2010)08 · Engine
08 · Engine

Exhaust manifold with catalytic converter - r r

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Inlet and exhaust manifolds › Exhaust manifold with catalytic converter - r r
EngineExhaust manifold with catalytic converter - r r

Exhaust manifold with catalytic converter - r r

Operation 1072C16 · EXHAUST MANIFOLDS

1.2 8v

Removing

Position the vehicle on the lift.

Op. 7055B54 PROTECTION/GUARD UNDER ENGINE - R.R.

Disconnect the negative battery terminal.

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD R+R

1. Disconnect the electrical connector of the lambda sensor on the exhaust manifold.

DescriptionConnector
1Lambda sensorSee K040 LAMBDA SENSOR

2. Disconnect the electrical connector of the lambda sensor located upstream of the catalytic converter.

DescriptionConnector
2Lambda sensor - 2See K39 LAMBDA SENSOR - 2 ( ENGINE )
Exhaust manifold with catalytic converter - r r

Raise the vehicle.

1. Undo the nuts fixing the manifold/catalytic converter to the cylinder head.

2. Undo the nuts fixing the manifold/catalytic converter to the exhaust pipe.

3. Undo the bolt fixing the manifold/catalytic converter mounting bracket to the gearbox.

4. Remove the manifold/catalytic converter.

Exhaust manifold with catalytic converter - r r

Refitting

Position the exhaust manifold/catalytic converter and tighten the nut securing the bracket to the gearbox to torque.

FasteningComponentdia

Value

(daNm)

BoltCATALYTIC CONVERTER (ONE)M8(Collar to gearbox) 2.8

Tighten the retaining nuts to the intermediate exhaust pipe to torque.

FasteningComponentdia

Value

(daNm)

NutCATALYTIC CONVERTER (ONE)M8(Union flange to intermediate exhaust pipe) 3

Tighten the retaining nuts to the cylinder head to torque.

FasteningComponentdia

Value

(daNm)

NutCATALYTIC CONVERTER (ONE)M8(Manifold to cylinder head) 3

Lower the vehicle.

Connect the electrical connections for the Lambda sensor.

DescriptionConnector
Lambda sensorSee K040 LAMBDA SENSOR
DescriptionConnector
Lambda sensor - 2See K39 LAMBDA SENSOR - 2 ( ENGINE )

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD R+R

Connect the negative battery terminal.

Op. 7055B54 PROTECTION/GUARD UNDER ENGINE - R.R.

Remove the vehicle from the lift.

1.4 8v

Removing

- Position the vehicle on a lift.

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD R+R

- Disconnect the exhaust pipe from the connection flange to the catalytic converter and from the flexible mountings, move it aside and secure it appropriately.

1. Disconnect the electrical connection for the Lambda sensor downstream of the catalytic converter.

DescriptionConnector
1Lambda sensor on catalyzerSee K017 LAMBDA SENSOR ON CATALYZER

2. Undo the nuts (2a) and remove the exhaust manifold and catalytic converter (2b).

- Remove the exhaust manifold gasket.

Exhaust manifold with catalytic converter - r r

Refitting

- Place the exhaust manifold, catalytic converter and gasket in its housing and secure it tightening the nuts to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Exhaust manifoldNutM81.4 ÷ 1.6 + 30° +/- 3°

1.2 8v

1.4 8v

1.3 Multijet

- Connect the electrical connection for the Lambda sensor downstream of the catalytic converter.

- Connect the exhaust pipe to the connection flange to the catalytic converter and to the flexible mountings.

- Remove the vehicle from the lift.

Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD R+R

Op. 1048A10 AIR FILTER ASSEMBLY - R.R.

Parts & tools for this job Staging For 2000 Fiat Doblò

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.