Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 155 Factory Service Manual (1992-1998)03 · Engine – mechanical (Twin Spark)
03 · Engine

Removal (page 4 of 15)

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Removal
Engine – mechanical (Twin Spark)Removal · page 4 of 15
  1. Remove the cap from the expansion tank, disconnect the coolant inlet sleeve from the pump and drain the engine coolant into a suitable container.

CAUTION
The antifreeze mixture used as an engine coolant damages paint: avoid all contact with painted surfaces.

  1. Disconnect the engine coolant delivery sleeve from the expansion tank.
Expansion tank with cap and coolant delivery sleeve
  1. cap
  2. coolant delivery sleeve
Throttle valve with electrical connection
  1. Disconnect the engine to coolant delivery sleeve from the thermostatic cup.
  2. Disconnect the engine coolant to heater delivery sleeve from the thermostatic cup.
  3. Disconnect the engine coolant return sleeve from the heater.
Engine coolant delivery and return sleeves
  • Disconnect the engine coolant to expansion tank delivery sleeve from the throttle valve.
  1. Disconnect the electrical connection from the throttle valve potentiometer.
Throttle valve with electrical connection

Parts & tools for this job For 1992 Alfa Romeo 155

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