Workshop Manuals Factory service & repair Alfa Romeo
01 Introduction and contents02 Technical data and maintenance03 Engine04 Clutch05 Gearbox06 Front axle and drive shafts07 Brakes08 Steering09 Suspension and wheels10 Heating and ventilation11 Bodywork12 Timing belt data sheets
Alfa Romeo 145/146 Factory Service Manual (1994-1999)03 · Engine
03 · Engine

Timing sensor (page 2 of 2)

Make
Alfa Romeo
Model
145/146 Factory Service Manual
Year
1994–1999
Section
Electrical components (Twin Spark 16V)
EngineTiming sensor · page 2 of 2
  1. Slacken the fastening screws and remove the ignition coils cover.
Ignition coils cover removal diagram showing screws and coil connections
  1. Slacken the fastening screws and remove the ignition coils.
  2. Slacken the fastening screws and remove the ignition coils support bracket.
Ignition coils support bracket removal diagram showing screws and bracket position
  1. Slacken the fastening screws and remove the cylinder head cover complete with seal.
Cylinder head cover removal diagram showing screws and cover position
  1. Working on the belt tensioner, slacken the tension of the belt, then remove it from the timing gear pulleys.

21 ÷ 26 Nm
2.1 ÷ 2.7 kgm

Timing gear drive pulley removal diagram showing pulley and belt tensioner
  1. Using tools no. 1.822.146.000 and no. 1.822.156.000 slacken the screw fastening the timing gear drive pulley on the exhaust side and remove it.
  2. Slacken the four fastening screws and remove the camshaft drive pulley intake side end remove it.
Camshaft drive pulley removal diagram showing pulley, gears, and tools

100 ÷ 124 Nm
10.2 ÷ 12.6 kgm

  1. Slacken the fastening screws and remove the side guard on the intake side.
  2. Disconnect the electrical connection, slacken the two fastening screws and remove the timing sensor complete with support plate.
Timing sensor removal diagram showing sensor and support plate

Refer to GROUP 00 for refitting the timing gear drive belt and timing operations.

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

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