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Fiat Croma Factory Service Manual (2005-2010)08 · Engine
08 · Engine

Air chamber - r.r.

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Inlet and exhaust manifolds › Air chamber - r.r.
EngineAir chamber - r.r.

AIR CHAMBER - R.R.

Operation 1072B50 · INLET MANIFOLDS

2.2

Removing

- Position the vehicle on a lift.

- Make sure that the ignition key is in the OFF position, then disconnect the battery terminal (-).

DescriptionConnector
BatterySee A001 BATTERY

1. Remove the sound insulation cover fastened to the engine by three pins.

AIR CHAMBER - R.R.

1. Loosen the band and disconnect the engine oil vapour recovery pipe from the cylinder head cover.

2. Loosen the bands and remove the air supply hose from the air flow meter to the throttle casing.

AIR CHAMBER - R.R.

1. Disconnect the electrical connections from the injection/ignition system control unit.

DescriptionConnector
1Engine management control unitSee M010 ENGINE MANAGEMENT CONTROL UNIT

2. Undo the bolts (2a) and remove the injection/ignition system control unit (2b).

One of the bolts also secures the earth lead.

AIR CHAMBER - R.R.

1. Disconnect the engine coupling.

DescriptionConnector
1Engine cables/engine services cable couplingSee D029 ENGINE CABLES/ENGINE SERVICES CABLE COUPLING

2. Disconnect the electrical connection from the throttle casing with D.V.L.

DescriptionConnector
2Integrated throttle casing actuatorSee N075 INTEGRATED THROTTLE CASING ACTUATOR

3. Loosen the nut fixing the electric wiring mounting bracket.

AIR CHAMBER - R.R.

1. Undo the bolts (1a) and remove the throttle casing with D.V.L. (1b).

- Remove the air chamber gasket.

AIR CHAMBER - R.R.

1. Disconnect the electrical connection from the air pressure sensor.

DescriptionConnector
1Absolute pressure sensorSee K048 ABSOLUTE PRESSURE SENSOR
AIR CHAMBER - R.R.

1. Undo the bolt (1a) and remove the engine oil dipstick tube (1b) assembly after having released it from the electrical wiring.

2. Undo the bolt fixing the electrical wiring mounting bracket to the air chamber.

AIR CHAMBER - R.R.

1. Disconnect the quick-release fitting for the fuel vapour recovery pipe, air chamber side.

AIR CHAMBER - R.R.

1. Disconnect the quick-release fitting for the brake servo vacuum intake pipe, air chamber side.

AIR CHAMBER - R.R.

1. Undo the bolts (1a) and the nuts (1b) and remove the air chamber (1c).

- Remove the seals.

AIR CHAMBER - R.R.

Refitting

- Clean the contact surfaces

- Place the new gaskets in their housings on the air chamber.

1. Position the air chamber (1a) in its housing and secure it tightening the nuts (1b) and the bolts (1c) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Air chamberNutM6 x 1(cylinder head side) 0.92.2
ComponentFasteningdiaValue (daNm)Validity
Air chamberBoltM6 x 1(cylinder head side) 0.92.2
AIR CHAMBER - R.R.

- Connect the quick-release fitting for the brake servo vacuum intake pipe, air chamber side.

- Connect the quick-release fitting for the fuel vapour recovery pipe, air chamber side.

- Tighten the bolt fixing the electrical wiring mounting bracket to the air chamber.

- Place the engine oil dipstick pipe back in its housing and fasten it with the bolt.

- Fasten the electrical wiring to the engine oil dipstick pipe.

- Connect the electrical connection to the air pressure sensor.

1. Place the throttle casing integrated with D.V.L. (1a), complete with gasket, back in its housing and secure it tightening the bolts (1b) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Throttle body built into DVLBoltM6 x 1(air chamber side) 0.92.2
AIR CHAMBER - R.R.

- Tighten the nut fixing the electric wiring mounting bracket.

- Connect the electrical connection to the throttle casing with D.V.L.

- Connect the engine coupling.

1. Place the injection/ignition system control unit (1a) in its housing and secure it tightening the bolts (1b) to the recommended torque.

One of the bolts also secures the earth lead (1c).

ComponentFasteningdiaValue (daNm)Validity
Injection/ignition system control unitBoltM6 x 1(air chamber side) 0.92.2

2. Connect the electrical connections to the injection/ignition system control unit.

AIR CHAMBER - R.R.

- Place the air supply hose from the air flow meter to the throttle casing back in its housing and secure it using the bands.

- Connect the engine oil vapour recovery pipe to the cylinder head cover and secure it using the band.

- Place the sound insulation cover back in its housing and secure it to the engine using the three pins.

- Connect the negative battery terminal.

- Remove the vehicle from the lift.

Parts & tools for this job For 2005 Fiat Croma

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