Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 145/146 Engines, 146 Bodywork and Engine Overhaul Manual (1994-2001)14 · Engine overhaul: 2.0 V6 Turbo (AR16202)
14 · Engine

Removing the water pump

Make
Alfa Romeo
Model
145/146 Engines, 146 Bodywork and Engine Overhaul Manual
Year
1994–2001
Section
Overhauling › Removing the water pump
Engine overhaul: 2.0 V6 Turbo (AR16202)Removing the water pump
  1. Withdraw the cylinder liner complete with O-ring.
  2. Using a suitable tool, remove the seal rings and oil scraper ring from the piston.

WARNING: Proceed with care to avoid breaking any re-usable rings.

  1. Withdraw the two gudgeon pin seal rings.
  2. Withdraw the gudgeon pin and separate the piston from the connecting rod.
Diagram showing piston, connecting rod, and gudgeon pin seal rings with oil drop symbol indicating oil presence.

NOTE: When refitting the convex surface of the thrust ring must face the front crankcase cover.

  1. Slacken the fastening screws and remove the water pump.
  2. Remove the corresponding seal.
Diagram showing engine components with torque values: 8 + 9 Nm (0.8 + 1 kgm) for one part and 235 Nm (24 kgm) for another.

8 + 9 Nm
0.8 + 1 kgm

235 Nm
24 kgm

REMOVING THE WATER PUMP

  1. Remove the crankshaft turning tool and install the flywheel stopper tool no. 1.820.228.000.
Diagram showing flywheel stopper tool 1.820.228.000 installed on crankshaft with fastening screws.
  1. Slacken the fastening screws and remove the water pump pulley.
  2. Slacken the fastening nut and remove the auxiliary components drive pulley.
  3. Remove the toothed timing belt drive pulley complete with thrust ring.

REMOVING THE CRANKCASE FRONT COVER

  1. Slacken the fastening screws and remove the crankcase front cover.
  2. Remove the corresponding seal.
  3. Remove the oil ring from the crankcase front cover.
Diagram showing crankcase front cover with parts 1, 2, and 3 labeled.

Parts & tools for this job For 1994 Alfa Romeo 145/146

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