Workshop Manuals Factory service & repair Alfa Romeo
01 1.7 16V Boxer engine (1712)02 1.9 JTD engine (1910)03 1.9 TD and TD Cat engine (1929)04 146 bodywork05 Engine overhaul: index and updates06 Engine overhaul: 1.3 and 1.6 Boxer (AR33501, AR33201)07 Engine overhaul: 1.7 16V Boxer (AR33401)08 Engine overhaul: 1.4, 1.6 and 1.8 Twin Spark 16V09 Engine overhaul: 2.0 Twin Spark 16V10 Engine overhaul: 1.9 JTD (AR32302)11 Engine overhaul: 1.9 TD (AR67501)12 Engine overhaul: 3.0 V6 (AR16101)13 Engine overhaul: 3.0 V6 24V (AR16102)14 Engine overhaul: 2.0 V6 Turbo (AR16202)
Alfa Romeo 145/146 Engines, 146 Bodywork and Engine Overhaul Manual (1994-2001)10 · Engine overhaul: 1.9 JTD (AR32302)
10 · Engine

Cylinder head disassembly

Make
Alfa Romeo
Model
145/146 Engines, 146 Bodywork and Engine Overhaul Manual
Year
1994–2001
Section
Overhauling › Cylinder head disassembly
Engine overhaul: 1.9 JTD (AR32302)Cylinder head disassembly

When refitting, insert a new crankshaft front oil seal with tool no. 1.821.147.000.

Tool inserting crankshaft front oil seal

CYLINDER HEAD DISASSEMBLY

PRELIMINARY OPERATIONS

  1. Position stand no. 1.820.012.000 in a vice.
  2. Fit tool no. 1.820.258.000.
  3. Fit shim no. 1.820.267.000.
  4. Position the cylinder head on the bracket and fasten the respective nuts.
Cylinder head disassembly setup with stand, tool, and shim

INTAKE MANIFOLD REMOVAL

  1. Loosen the fuel manifold-injector fittings on manifold side with tool no. 1.870.671.000.
  2. Loosen the fuel manifold-injector fitting on injector side with a suitable tool.
  3. Loosen the nuts and remove the single fuel manifold with pipes and fuel pressure sensor.
  4. Remove the retainers and remove the fuel return pipe for injector lubrication.
    • Loosen the nuts and disconnect the pre-heat glow plug power wiring.
    • Disconnect the expansion reservoir coolant return pipe from the thermostat.
  5. Loosen the fastening nuts and remove the complete air intake manifold.
Intake manifold removal with torque specifications

26 ÷ 32 Nm
2.7 ÷ 3.3 kgm

19 ÷ 23 Nm
1.9 ÷ 2.3 kgm

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

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