Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 155 Factory Service Manual (1992-1998)04 · Fuel system (Twin Spark)
04 · Engine

Removal/refitting

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Removal/refitting › Removal/refitting
Fuel system (Twin Spark)Removal/refitting

REMOVAL/REFITTING

  1. Place the vehicle on a lift.
    • Disconnect the negative cable from the battery.
Vehicle placed on a car lift with one side raised.
  1. Loosen the two clamps securing the corrugated sleeve to the air-flow meter and the throttle body and move it to one side 2. Disconnect the two electrical connections from the lambda probe.
Engine bay view showing components around the intake manifold, including a corrugated hose connected to an airflow meter and a throttle body with clamps; also visible are two electrical connectors near a sensor labeled 'lambda probe'.

– Raise the vehicle.

  1. Unscrew the bolts securing the forward and rear flanges to the catalytic converter and, after disconnecting the flexible support rings, remove the converter.
  2. Remove the gasket.
  3. Remove the seal ring.
  4. If necessary remove the lambda probe.
Vehicle raised on a car lift with an arrow indicating downward motion.

Catalytic converter assembly showing four parts: 1) catalytic converter body, 2) flange mounting plate, 3) flexible support ring, and 4) electrical connector with wire harness. Torque specification box indicates '50 ÷ 60 Nm' or '5.1 ÷ 6.1 kgm'.

50 ÷ 60 Nm
5.1 ÷ 6.1 kgm

Parts & tools for this job For 1992 Alfa Romeo 155

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